Axel-Cyrille Ngonga Ngomo

According to our database, Axel-Cyrille Ngonga Ngomo authored at least 327 papers between 2007 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

LSQ 2.0: A linked dataset of SPARQL query logs.

Claus Stadler, Muhammad Saleem, Qaiser Mehmood, Carlos Buil Aranda, Michel Dumontier, Aidan Hogan, Axel-Cyrille Ngonga Ngomo

Semantic Web, 2024

EGNN-C+: Interpretable Evolving Granular Neural Network and Application in Classification of Weakly-Supervised EEG Data Streams.

Daniel Leite, Alisson Silva, Gabriella Casalino, Arnab Sharma, Danielle Fortunato, Axel-Cyrille Ngonga Ngomo

CoRR, 2024

Embedding Knowledge Graphs in Degenerate Clifford Algebras.

Louis Mozart Kamdem, Caglar Demir, Axel-Cyrille Ngonga Ngomo

CoRR, 2024

Computing Repairs Under Functional and Inclusion Dependencies via Argumentation.

Yasir Mahmood, Jonni Virtema, Timon Barlag, Axel-Cyrille Ngonga Ngomo

Proceedings of the Foundations of Information and Knowledge Systems, 2024

2023

Class Expression Learning with Multiple Representations.

Axel-Cyrille Ngonga Ngomo, Caglar Demir, N'Dah Jean Kouagou, Stefan Heindorf, Nikolaos Karalis, Alexander Bigerl

Proceedings of the Compendium of Neurosymbolic Artificial Intelligence, 2023

Universal Knowledge Graph Embeddings.

N'Dah Jean Kouagou, Caglar Demir, Hamada M. Zahera, Adrian Wilke, Stefan Heindorf, Jiayi Li, Axel-Cyrille Ngonga Ngomo

CoRR, 2023

Counterfactual Explanations for Concepts in ELH.

Leonie Nora Sieger, Stefan Heindorf, Lukas Blübaum, Axel-Cyrille Ngonga Ngomo

CoRR, 2023

NELLIE: Never-Ending Linking for Linked Open Data.

Abdullah Fathi Ahmed, Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo

IEEE Access, 2023

TemporalFC: A Temporal Fact Checking Approach over Knowledge Graphs.

Umair Qudus, Michael Röder, Sabrina Kirrane, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2023, 2023

Unsupervised Relation Extraction with Sentence level Distributional Semantics.

Manzoor Ali, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo

Proceedings of the 17th IEEE International Conference on Semantic Computing, 2023

Neural Class Expression Synthesis in <i>ALCHIQ(D)</i>.

N'Dah Jean Kouagou, Stefan Heindorf, Caglar Demir, Axel-Cyrille Ngonga Ngomo

Proceedings of the Machine Learning and Knowledge Discovery in Databases: Research Track, 2023

LitCQD: Multi-hop Reasoning in Incomplete Knowledge Graphs with Numeric Literals.

Caglar Demir, Michel Wiebesiek, Renzhong Lu, Axel-Cyrille Ngonga Ngomo, Stefan Heindorf

Proceedings of the Machine Learning and Knowledge Discovery in Databases: Research Track, 2023

Clifford Embeddings - A Generalized Approach for Embedding in Normed Algebras.

Caglar Demir, Axel-Cyrille Ngonga Ngomo

Proceedings of the Machine Learning and Knowledge Discovery in Databases: Research Track, 2023

IndQNER: Named Entity Recognition Benchmark Dataset from the Indonesian Translation of the Quran.

Ria Hari Gusmita, Asep Fajar Firmansyah, Diego Moussallem, Axel-Cyrille Ngonga Ngomo

Proceedings of the Natural Language Processing and Information Systems, 2023

Explainable Integration of Knowledge Graphs Using Large Language Models.

Abdullah Fathi Ahmed, Asep Fajar Firmansyah, Mohamed Ahmed Sherif, Diego Moussallem, Axel-Cyrille Ngonga Ngomo

Proceedings of the Natural Language Processing and Information Systems, 2023

Neural Class Expression Synthesis.

N'Dah Jean Kouagou, Stefan Heindorf, Caglar Demir, Axel-Cyrille Ngonga Ngomo

Proceedings of the 17th International Workshop on Neural-Symbolic Learning and Reasoning, 2023

A Topic Model for the Data Web.

Michael Röder, Denis Kuchelev, Axel-Cyrille Ngonga Ngomo

Proceedings of the Knowledge Graphs and Semantic Web, 2023

Lingua Franca - Entity-Aware Machine Translation Approach for Question Answering over Knowledge Graphs.

Nikit Srivastava, Aleksandr Perevalov, Denis Kuchelev, Diego Moussallem, Axel-Cyrille Ngonga Ngomo, Andreas Both

Proceedings of the 12th Knowledge Capture Conference 2023, 2023

Neuro-Symbolic Class Expression Learning.

Caglar Demir, Axel-Cyrille Ngonga Ngomo

Proceedings of the Thirty-Second International Joint Conference on Artificial Intelligence, 2023

Learning Permutation-Invariant Embeddings for Description Logic Concepts.

Caglar Demir, Axel-Cyrille Ngonga Ngomo

Proceedings of the Advances in Intelligent Data Analysis XXI, 2023

Using Pre-Trained Language Models for Abstractive DBPEDIA Summarization: A Comparative Study.

Hamada M. Zahera, Fedor Vitiugin, Mohamed Ahmed Sherif, Carlos Castillo, Axel-Cyrille Ngonga Ngomo

Proceedings of the Knowledge Graphs: Semantics, Machine Learning, and Languages, 2023

Native Execution of GraphQL Queries over RDF Graphs Using Multi-Way Joins.

Nikolaos Karalis, Alexander Bigerl, Axel-Cyrille Ngonga Ngomo

Proceedings of the Knowledge Graphs: Semantics, Machine Learning, and Languages, 2023

COBALT: A Content-Based Similarity Approach for Link Discovery over Geospatial Knowledge Graphs.

Abdullah Fathi Ahmed, Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo

Proceedings of the Knowledge Graphs: Semantics, Machine Learning, and Languages, 2023

Scaling Machine Learning on Knowledge Graphs.

Axel Ngonga

Proceedings of the Extraction et Gestion des Connaissances, 2023

LauNuts: A Knowledge Graph to Identify and Compare Geographic Regions in the European Union.

Adrian Wilke, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - 20th International Conference, 2023

RELD: A Knowledge Graph of Relation Extraction Datasets.

Manzoor Ali, Muhammad Saleem, Diego Moussallem, Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - 20th International Conference, 2023

RED^FM: a Filtered and Multilingual Relation Extraction Dataset.

Pere-Lluís Huguet Cabot, Simone Tedeschi, Axel-Cyrille Ngonga Ngomo, Roberto Navigli

Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), 2023

2022

A survey of RDF stores & SPARQL engines for querying knowledge graphs.

Waqas Ali, Muhammad Saleem, Bin Yao, Aidan Hogan, Axel-Cyrille Ngonga Ngomo

VLDB J., 2022

Hardware-agnostic computation for large-scale knowledge graph embeddings.

Caglar Demir, Axel-Cyrille Ngonga Ngomo

Softw. Impacts, 2022

Knowledge Graphs.

Aidan Hogan, Eva Blomqvist, Michael Cochez, Claudia d'Amato, Gerard de Melo, Claudio Gutierrez, Sabrina Kirrane, José Emilio Labra Gayo, Roberto Navigli, Sebastian Neumaier, Axel-Cyrille Ngonga Ngomo, Axel Polleres, Sabbir M. Rashid, Anisa Rula, Lukas Schmelzeisen, Juan F. Sequeda, Steffen Staab, Antoine Zimmermann

ACM Comput. Surv., 2022

Can Machine Translation be a Reasonable Alternative for Multilingual Question Answering Systems over Knowledge Graphs?

Aleksandr Perevalov, Andreas Both, Dennis Diefenbach, Axel-Cyrille Ngonga Ngomo

Proceedings of the WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25, 2022

EvoLearner: Learning Description Logics with Evolutionary Algorithms.

Stefan Heindorf, Lukas Blübaum, Nick Düsterhus, Till Werner, Varun Nandkumar Golani, Caglar Demir, Axel-Cyrille Ngonga Ngomo

Proceedings of the WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25, 2022

MultPAX: Keyphrase Extraction Using Language Models and Knowledge Graphs.

Hamada M. Zahera, Daniel Vollmers, Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2022, 2022

LSQ Framework: The LSQ Framework for SPARQL Query Log Processing.

Claus Stadler, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo

Proceedings of the QuWeDa 2022: 6th Workshop on Storing, 2022

HybridFC: A Hybrid Fact-Checking Approach for Knowledge Graphs.

Umair Qudus, Michael Röder, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2022, 2022

Rapid Explainability for Skill Description Learning.

Caglar Demir, Anna Himmelhuber, Yushan Liu, Alexander Bigerl, Diego Moussallem, Axel-Cyrille Ngonga Ngomo

Proceedings of the ISWC 2022 Posters, 2022

Hashing the Hypertrie: Space- and Time-Efficient Indexing for SPARQL in Tensors.

Alexander Bigerl, Lixi Conrads, Charlotte Behning, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2022, 2022

REBench: Microbenchmarking Framework for Relation Extraction Systems.

Manzoor Ali, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2022, 2022

Enhancing the Accessibility of Knowledge Graph Question Answering Systems through Multilingualization.

Aleksandr Perevalov, Axel-Cyrille Ngonga Ngomo, Andreas Both

Proceedings of the 16th IEEE International Conference on Semantic Computing, 2022

μ-Bench: Real-world Micro Benchmarking for SPARQL Query Processing over Knowledge Graphs.

Muhammad Saleem, Adnan Akhter, Sahar Vahdati, Axel-Cyrille Ngonga Ngomo

Proceedings of the 11th International Joint Conference on Knowledge Graphs, 2022

ADAGIO - Automated Data Augmentation of Knowledge Graphs Using Multi-expression Learning.

Kevin Dreßler, Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo

Proceedings of the HT '22: 33rd ACM Conference on Hypertext and Social Media, 2022

Kronecker Decomposition for Knowledge Graph Embeddings.

Caglar Demir, Julian Lienen, Axel-Cyrille Ngonga Ngomo

Proceedings of the HT '22: 33rd ACM Conference on Hypertext and Social Media, 2022

Tab2Onto: Unsupervised Semantification with Knowledge Graph Embeddings.

Hamada M. Zahera, Stefan Heindorf, Stefan Balke, Jonas Haupt, Martin Voigt, Carolin Walter, Fabian Witter, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web: ESWC 2022 Satellite Events - Hersonissos, Crete, Greece, May 29, 2022

Learning Concept Lengths Accelerates Concept Learning in ALC.

N'Dah Jean Kouagou, Stefan Heindorf, Caglar Demir, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - 19th International Conference, 2022

CausalQA: A Benchmark for Causal Question Answering.

Alexander Bondarenko, Magdalena Wolska, Stefan Heindorf, Lukas Blübaum, Axel-Cyrille Ngonga Ngomo, Benno Stein, Pavel Braslavski, Matthias Hagen, Martin Potthast

Proceedings of the 29th International Conference on Computational Linguistics, 2022

2021

Knowledge Graphs

Aidan Hogan, Eva Blomqvist, Michael Cochez, Claudia d'Amato, Gerard de Melo, Claudio Gutierrez, Sabrina Kirrane, José Emilio Labra Gayo, Roberto Navigli, Sebastian Neumaier, Axel-Cyrille Ngonga Ngomo, Axel Polleres, Sabbir M. Rashid, Anisa Rula, Lukas Schmelzeisen, Juan Sequeda, Steffen Staab, Antoine Zimmermann

Synthesis Lectures on Data, Semantics, and Knowledge, Morgan & Claypool Publishers, ISBN: 978-3-031-01918-0, 2021

Explanation as a Social Practice: Toward a Conceptual Framework for the Social Design of AI Systems.

Katharina J. Rohlfing, Philipp Cimiano, Ingrid Scharlau, Tobias Matzner, Heike M. Buhl, Hendrik Buschmeier, Elena Esposito, Angela Grimminger, Barbara Hammer, Reinhold Häb-Umbach, Ilona Horwath, Eyke Hüllermeier, Friederike Kern, Stefan Kopp, Kirsten Thommes, Axel-Cyrille Ngonga Ngomo, Carsten Schulte, Henning Wachsmuth, Petra Wagner, Britta Wrede

IEEE Trans. Cogn. Dev. Syst., 2021

An empirical evaluation of cost-based federated SPARQL query processing engines.

Umair Qudus, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo, Young-Koo Lee

Semantic Web, 2021

LIMES: A Framework for Link Discovery on the Semantic Web.

Axel-Cyrille Ngonga Ngomo, Mohamed Ahmed Sherif, Kleanthi Georgala, Mofeed Mohamed Hassan, Kevin Dreßler, Klaus Lyko, Daniel Obraczka, Tommaso Soru

Künstliche Intell., 2021

Multilingual Verbalization and Summarization for Explainable Link Discovery.

Abdullah Fathi Ahmed, Mohamed Ahmed Sherif, Diego Moussallem, Axel-Cyrille Ngonga Ngomo

Data Knowl. Eng., 2021

Semantic Answer Type and Relation Prediction Task (SMART 2021).

Nandana Mihindukulasooriya, Mohnish Dubey, Alfio Gliozzo, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Ricardo Usbeck, Gaetano Rossiello, Uttam Kumar

CoRR, 2021

Prediction of concept lengths for fast concept learning in description logics.

N'Dah Jean Kouagou, Stefan Heindorf, Caglar Demir, Axel-Cyrille Ngonga Ngomo

CoRR, 2021

DRILL- Deep Reinforcement Learning for Refinement Operators in ALC.

Caglar Demir, Axel-Cyrille Ngonga Ngomo

CoRR, 2021

Out-of-Vocabulary Entities in Link Prediction.

Caglar Demir, Axel-Cyrille Ngonga Ngomo

CoRR, 2021

Open Data Portal Germany (OPAL) Projektergebnisse.

Adrian Wilke, Axel-Cyrille Ngonga Ngomo

CoRR, 2021

MLCheck- Property-Driven Testing of Machine Learning Models.

Arnab Sharma, Caglar Demir, Axel-Cyrille Ngonga Ngomo, Heike Wehrheim

CoRR, 2021

I-AID: Identifying Actionable Information From Disaster-Related Tweets.

Hamada M. Zahera, Rricha Jalota, Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo

IEEE Access, 2021

Using Compositional Embeddings for Fact Checking.

Ana Alexandra Morim da Silva, Michael Röder, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2021 - 20th International Semantic Web Conference, 2021

Relicensing Combined Datasets.

Adrian Wilke, Arwa Bannoura, Axel-Cyrille Ngonga Ngomo

Proceedings of the 15th IEEE International Conference on Semantic Computing, 2021

Twitter Network Mimicking for Data Storage Benchmarking.

René Speck, Diego Moussallem, Axel-Cyrille Ngonga Ngomo

Proceedings of the 15th IEEE International Conference on Semantic Computing, 2021

ORCA - a Benchmark for Data Web Crawlers.

Michael Röder, Geraldo de Souza, Denis Kuchelev, Abdelmoneim Amer Desouki, Axel-Cyrille Ngonga Ngomo

Proceedings of the 15th IEEE International Conference on Semantic Computing, 2021

Lemming - Example-based Mimicking of Knowledge Graphs.

Michael Röder, Pham Thuy Sy Nguyen, Felix Conrads, Ana Alexandra Morim da Silva, Axel-Cyrille Ngonga Ngomo

Proceedings of the 15th IEEE International Conference on Semantic Computing, 2021

LAUREN - Knowledge Graph Summarization for Question Answering.

Rricha Jalota, Daniel Vollmers, Diego Moussallem, Axel-Cyrille Ngonga Ngomo

Proceedings of the 15th IEEE International Conference on Semantic Computing, 2021

SYNTHG: Mimicking RDF Graphs Using Tensor Factorization.

Abdelmoneim Amer Desouki, Felix Conrads, Michael Röder, Axel-Cyrille Ngonga Ngomo

Proceedings of the 15th IEEE International Conference on Semantic Computing, 2021

A shallow neural model for relation prediction.

Caglar Demir, Diego Moussallem, Axel-Cyrille Ngonga Ngomo

Proceedings of the 15th IEEE International Conference on Semantic Computing, 2021

Template-based Question Answering using Recursive Neural Networks.

Ram G. Athreya, Srividya Kona Bansal, Axel-Cyrille Ngonga Ngomo, Ricardo Usbeck

Proceedings of the 15th IEEE International Conference on Semantic Computing, 2021

ASSET: A Semi-supervised Approach for Entity Typing in Knowledge Graphs.

Hamada M. Zahera, Stefan Heindorf, Axel-Cyrille Ngonga Ngomo

Proceedings of the K-CAP '21: Knowledge Capture Conference, 2021

GATES: Using Graph Attention Networks for Entity Summarization.

Asep Fajar Firmansyah, Diego Moussallem, Axel-Cyrille Ngonga Ngomo

Proceedings of the K-CAP '21: Knowledge Capture Conference, 2021

Efficient RDF Knowledge Graph Partitioning Using Querying Workload.

Adnan Akhter, Muhammad Saleem, Alexander Bigerl, Axel-Cyrille Ngonga Ngomo

Proceedings of the K-CAP '21: Knowledge Capture Conference, 2021

Drift Detection in Text Data with Document Embeddings.

Robert Feldhans, Adrian Wilke, Stefan Heindorf, Mohammad Hossein Shaker, Barbara Hammer, Axel-Cyrille Ngonga Ngomo, Eyke Hüllermeier

Proceedings of the Intelligent Data Engineering and Automated Learning - IDEAL 2021, 2021

MLCHECK- Property-Driven Testing of Machine Learning Classifiers.

Arnab Sharma, Caglar Demir, Axel-Cyrille Ngonga Ngomo, Heike Wehrheim

Proceedings of the 20th IEEE International Conference on Machine Learning and Applications, 2021

Knowledge Graph Question Answering Using Graph-Pattern Isomorphism.

Daniel Vollmers, Rricha Jalota, Diego Moussallem, Hardik Topiwala, Axel-Cyrille Ngonga Ngomo, Ricardo Usbeck

Proceedings of the Further with Knowledge Graphs, 2021

When is the Peak Performance Reached? An Analysis of RDF Triple Stores.

Hashim Khan, Manzoor Ali, Axel-Cyrille Ngonga Ngomo, Muhammad Saleem

Proceedings of the Further with Knowledge Graphs, 2021

InferNER: an attentive model leveraging the sentence-level information for Named Entity Recognition in Microblogs.

Moemmur Shahzad, Ayesha Amin, Diego Esteves, Axel-Cyrille Ngonga Ngomo

Proceedings of the Thirty-Fourth International Florida Artificial Intelligence Research Society Conference, 2021

Applying Grammar-Based Compression to RDF.

Michael Röder, Philip Frerk, Felix Conrads, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - 18th International Conference, 2021

Convolutional Complex Knowledge Graph Embeddings.

Caglar Demir, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - 18th International Conference, 2021

Unsupervised Relation Extraction Using Sentence Encoding.

Manzoor Ali, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web: ESWC 2021 Satellite Events, 2021

Convolutional Hypercomplex Embeddings for Link Prediction.

Caglar Demir, Diego Moussallem, Stefan Heindorf, Axel-Cyrille Ngonga Ngomo

Proceedings of the Asian Conference on Machine Learning, 2021

2020

Benchmarking the Lifecycle of Knowledge Graphs.

Michael Röder, Mohamed Ahmed Sherif, Muhammad Saleem, Felix Conrads, Axel-Cyrille Ngonga Ngomo

Proceedings of the Knowledge Graphs for eXplainable Artificial Intelligence: Foundations, 2020

Generating Explanations in Natural Language from Knowledge Graphs.

Diego Moussallem, René Speck, Axel-Cyrille Ngonga Ngomo

Proceedings of the Knowledge Graphs for eXplainable Artificial Intelligence: Foundations, 2020

HOBBIT: A platform for benchmarking Big Linked Data.

Michael Röder, Denis Kuchelev, Axel-Cyrille Ngonga Ngomo

Data Sci., 2020

SeMantic AnsweR Type prediction task (SMART) at ISWC 2020 Semantic Web Challenge.

Nandana Mihindukulasooriya, Mohnish Dubey, Alfio Gliozzo, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Ricardo Usbeck

CoRR, 2020

Semantic-based End-to-End Learning for Typhoon Intensity Prediction.

Hamada M. Zahera, Mohamed Ahmed Sherif, Axel Ngonga

CoRR, 2020

Benchmarking Knowledge Graphs on the Web.

Michael Röder, Mohamed Ahmed Sherif, Muhammad Saleem, Felix Conrads, Axel-Cyrille Ngonga Ngomo

CoRR, 2020

Revealing Secrets in SPARQL Session Level.

Xinyue Zhang, Meng Wang, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo, Guilin Qi, Haofen Wang

Proceedings of the Semantic Web - ISWC 2020, 2020

LIGON - link discovery with noisy oracles.

Mohamed Ahmed Sherif, Kevin Dreßler, Axel-Cyrille Ngonga Ngomo

Proceedings of the 15th International Workshop on Ontology Matching co-located with the 19th International Semantic Web Conference (ISWC 2020), 2020

Squirrel - Crawling RDF Knowledge Graphs on the Web.

Michael Röder, Geraldo de Souza, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2020, 2020

NABU - Multilingual Graph-Based Neural RDF Verbalizer.

Diego Moussallem, Dwaraknath Gnaneshwar, Thiago Castro Ferreira, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2020, 2020

Applying edge-counting semantic similarities to link discovery: scalability and accuracy.

Kleanthi Georgala, Mohamed Ahmed Sherif, Michael Röder, Axel-Cyrille Ngonga Ngomo

Proceedings of the 15th International Workshop on Ontology Matching co-located with the 19th International Semantic Web Conference (ISWC 2020), 2020

LIGER - link discovery with partial recall.

Kleanthi Georgala, Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo

Proceedings of the 15th International Workshop on Ontology Matching co-located with the 19th International Semantic Web Conference (ISWC 2020), 2020

Tentris - A Tensor-Based Triple Store.

Alexander Bigerl, Felix Conrads, Charlotte Behning, Mohamed Ahmed Sherif, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2020, 2020

CauseNet: Towards a Causality Graph Extracted from the Web.

Stefan Heindorf, Yan Scholten, Henning Wachsmuth, Axel-Cyrille Ngonga Ngomo, Martin Potthast

Proceedings of the CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, 2020

2019

Leopard - A baseline approach to attribute prediction and validation for knowledge graph population.

René Speck, Axel-Cyrille Ngonga Ngomo

J. Web Semant., 2019

TISCO: Temporal scoping of facts.

Anisa Rula, Matteo Palmonari, Simone Rubinacci, Axel-Cyrille Ngonga Ngomo, Jens Lehmann, Andrea Maurino, Diego Esteves

J. Web Semant., 2019

Benchmarking question answering systems.

Ricardo Usbeck, Michael Röder, Michael Hoffmann, Felix Conrads, Jonathan Huthmann, Axel-Cyrille Ngonga Ngomo, Christian Demmler, Christina Unger

Semantic Web, 2019

topFiberM: Scalable and Efficient Boolean Matrix Factorization.

Abdelmoneim Amer Desouki, Michael Röder, Axel-Cyrille Ngonga Ngomo

CoRR, 2019

Augmenting Neural Machine Translation with Knowledge Graphs.

Diego Moussallem, Mihael Arcan, Axel-Cyrille Ngonga Ngomo, Paul Buitelaar

CoRR, 2019

QPPDs: Querying Property Paths Over Distributed RDF Datasets.

Qaiser Mehmood, Muhammad Saleem, Ratnesh Sahay, Axel-Cyrille Ngonga Ngomo, Mathieu d'Aquin

IEEE Access, 2019

How Representative Is a SPARQL Benchmark? An Analysis of RDF Triplestore Benchmarks.

Muhammad Saleem, Gábor Szárnyas, Felix Conrads, Syed Ahmad Chan Bukhari, Qaiser Mehmood, Axel-Cyrille Ngonga Ngomo

Proceedings of the World Wide Web Conference, 2019

COPAAL - An Interface for Explaining Facts using Corroborative Paths.

Zafar Habeeb Syed, Nikit Srivastava, Michael Röder, Axel-Cyrille Ngonga Ngomo

Proceedings of the ISWC 2019 Satellite Tracks (Posters & Demonstrations, 2019

Unsupervised Discovery of Corroborative Paths for Fact Validation.

Zafar Habeeb Syed, Michael Röder, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2019, 2019

QaldGen: Towards Microbenchmarking of Question Answering Systems over Knowledge Graphs.

Kuldeep Singh, Muhammad Saleem, Abhishek Nadgeri, Felix Conrads, Jeff Z. Pan, Axel-Cyrille Ngonga Ngomo, Jens Lehmann

Proceedings of the Semantic Web - ISWC 2019, 2019

LimesWebUI - Link Discovery Made Simple.

Mohamed Ahmed Sherif, Pestryakova Svetlana, Kevin Dreßler, Axel-Cyrille Ngonga Ngomo

Proceedings of the ISWC 2019 Satellite Tracks (Posters & Demonstrations, 2019

Semantic Web for Machine Translation: Challenges and Directions.

Diego Moussallem, Matthias Wauer, Axel-Cyrille Ngonga Ngomo

Proceedings of the Journal Track co-located with the 18th International Semantic Web Conference (ISWC 2019), 2019

THOTH: Neural Translation and Enrichment of Knowledge Graphs.

Diego Moussallem, Tommaso Soru, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2019, 2019

Microbenchmarks for Question Answering Systems Using QaldGen.

Qaiser Mehmood, Abhishek Nadgeri, Muhammad Saleem, Kuldeep Singh, Axel-Cyrille Ngonga Ngomo, Jens Lehmann

Proceedings of the ISWC 2019 Satellite Tracks (Posters & Demonstrations, 2019

Preface: 3rd Workshop on Querying and Benchmarking the Web of Data.

Muhammad Saleem, Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo, Ruben Verborgh, Aidan Hogan

Proceedings of the QuWeDa 2019: 3rd Workshop on Querying and Benchmarking the Web of Data co-located with 18th International Semantic Web Conference (ISWC 2019), 2019

A Holistic Natural Language Generation Framework for the Semantic Web.

Axel-Cyrille Ngonga Ngomo, Diego Moussallem, Lorenz Bühmann

Proceedings of the International Conference on Recent Advances in Natural Language Processing, 2019

LSVS: Link Specification Verbalization and Summarization.

Abdullah Fathi Ahmed, Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo

Proceedings of the Natural Language Processing and Information Systems, 2019

Jointly Learning from Social Media and Environmental Data for Typhoon Intensity Prediction.

Hamada M. Zahera, Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo

Proceedings of the 10th International Conference on Knowledge Capture, 2019

Congenial Benchmarking of RDF Storage Solutions.

Axel-Cyrille Ngonga Ngomo, Felix Conrads, Maximilian Pensel, Anni-Yasmin Turhan

Proceedings of the 10th International Conference on Knowledge Capture, 2019

Utilizing Knowledge Graphs for Neural Machine Translation Augmentation.

Diego Moussallem, Axel-Cyrille Ngonga Ngomo, Paul Buitelaar, Mihael Arcan

Proceedings of the 10th International Conference on Knowledge Capture, 2019

Do your Resources Sound Similar?: On the Impact of Using Phonetic Similarity in Link Discovery.

Abdullah Fathi Ahmed, Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo

Proceedings of the 10th International Conference on Knowledge Capture, 2019

A Physical Embedding Model for Knowledge Graphs.

Caglar Demir, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Technology - 9th Joint International Conference, 2019

Dragon: Decision Tree Learning for Link Discovery.

Daniel Obraczka, Axel-Cyrille Ngonga Ngomo

Proceedings of the Web Engineering - 19th International Conference, 2019

Offline Question Answering over Linked Data using Limited Resources.

Paramjot Kaur, Vincent Blücher, Rricha Jalota, Diego Moussallem, Axel-Cyrille Ngonga Ngomo, Ricardo Usbeck

Proceedings of the Posters and Demo Track of the 15th International Conference on Semantic Systems co-located with 15th International Conference on Semantic Systems (SEMANTiCS 2019), Karlsruhe, Germany, September 9th - to, 2019

QUANT - Question Answering Benchmark Curator.

Ria Hari Gusmita, Rricha Jalota, Daniel Vollmers, Jan Reineke, Axel-Cyrille Ngonga Ngomo, Ricardo Usbeck

Proceedings of the Semantic Systems. The Power of AI and Knowledge Graphs, 2019

Ranking on Very Large Knowledge Graphs.

Abdelmoneim Amer Desouki, Michael Röder, Axel-Cyrille Ngonga Ngomo

Proceedings of the 30th ACM Conference on Hypertext and Social Media, 2019

Big POI data integration with Linked Data technologies.

Spiros Athanasiou, Giorgos Giannopoulos, Damien Graux, Nikos Karagiannakis, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Kostas Patroumpas, Mohamed Ahmed Sherif, Dimitrios Skoutas

Proceedings of the Advances in Database Technology, 2019

An Approach for Ex-Post-Facto Analysis of Knowledge Graph-Driven Chatbots - The DBpedia Chatbot.

Rricha Jalota, Priyansh Trivedi, Gaurav Maheshwari, Axel-Cyrille Ngonga Ngomo, Ricardo Usbeck

Proceedings of the Chatbot Research and Design - Third International Workshop, 2019

2018

Machine Translation using Semantic Web Technologies: A Survey.

Diego Moussallem, Matthias Wauer, Axel-Cyrille Ngonga Ngomo

J. Web Semant., 2018

LargeRDFBench: A billion triples benchmark for SPARQL endpoint federation.

Muhammad Saleem, Ali Hasnain, Axel-Cyrille Ngonga Ngomo

J. Web Semant., 2018

A systematic survey of point set distance measures for link discovery.

Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo

Semantic Web, 2018

GERBIL - Benchmarking Named Entity Recognition and Linking consistently.

Michael Röder, Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo

Semantic Web, 2018

Expeditious Generation of Knowledge Graph Embeddings.

Tommaso Soru, Stefano Ruberto, Diego Moussallem, Edgard Marx, Diego Esteves, Axel-Cyrille Ngonga Ngomo

CoRR, 2018

Beyond Markov Logic: Efficient Mining of Prediction Rules in Large Graphs.

Tommaso Soru, André Valdestilhas, Edgard Marx, Axel-Cyrille Ngonga Ngomo

CoRR, 2018

Enhancing Community Interactions with Data-Driven Chatbots-The DBpedia Chatbot.

Ram G. Athreya, Axel-Cyrille Ngonga Ngomo, Ricardo Usbeck

Proceedings of the Companion of the The Web Conference 2018 on The Web Conference 2018, 2018

8th Challenge on Question Answering over Linked Data (QALD-8) (invited paper).

Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo, Felix Conrads, Michael Röder, Giulio Napolitano

Proceedings of the Joint proceedings of the 4th Workshop on Semantic Deep Learning (SemDeep-4) and NLIWoD4: Natural Language Interfaces for the Web of Data (NLIWOD-4) and 9th Question Answering over Linked Data challenge (QALD-9) co-located with 17th International Semantic Web Conference (ISWC 2018), Monterey, California, United States of America, October 8th, 2018

9th Challenge on Question Answering over Linked Data (QALD-9) (invited paper).

Ricardo Usbeck, Ria Hari Gusmita, Axel-Cyrille Ngonga Ngomo, Muhammad Saleem

Proceedings of the Joint proceedings of the 4th Workshop on Semantic Deep Learning (SemDeep-4) and NLIWoD4: Natural Language Interfaces for the Web of Data (NLIWOD-4) and 9th Question Answering over Linked Data challenge (QALD-9) co-located with 17th International Semantic Web Conference (ISWC 2018), Monterey, California, United States of America, October 8th, 2018

SPgen : A Benchmark Generator for Spatial Link Discovery Tools.

Tzanina Saveta, Irini Fundulaki, Giorgos Flouris, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2018, 2018

Introducing the HOBBIT platform into the ontology alignment evaluation campaign.

Ernesto Jiménez-Ruiz, Tzanina Saveta, Ondrej Zamazal, Sven Hertling, Michael Röder, Irini Fundulaki, Axel-Cyrille Ngonga Ngomo, Mohamed Ahmed Sherif, Amina Annane, Zohra Bellahsene, Sadok Ben Yahia, Gayo Diallo, Daniel Faria, Marouen Kachroudi, Abderrahmane Khiat, Patrick Lambrix, Huanyu Li, Maximilian Mackeprang, Majid Mohammadi, Maciej Rybinski, Booma Sowkarthiga Balasubramani, Cássia Trojahn

Proceedings of the 13th International Workshop on Ontology Matching co-located with the 17th International Semantic Web Conference, 2018

Extending LargeRDFBench for Multi-Source Data at Scale for SPARQL Endpoint Federation.

Ali Hasnain, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo, Dietrich Rebholz-Schuhmann

Proceedings of the Emerging Topics in Semantic Technologies, 2018

RADON2 - a buffered-intersection matrix computing approach to accelerate link discovery over geo-spatial RDF knowledge bases: OAEI2018 results.

Abdullah Fathi Ahmed, Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo

Proceedings of the 13th International Workshop on Ontology Matching co-located with the 17th International Semantic Web Conference, 2018

Generating SPARQL Query Containment Benchmarks Using the SQCFramework.

Muhammad Saleem, Qaiser Mehmood, Claus Stadler, Jens Lehmann, Axel-Cyrille Ngonga Ngomo

Proceedings of the ISWC 2018 Posters & Demonstrations, Industry and Blue Sky Ideas Tracks co-located with 17th International Semantic Web Conference (ISWC 2018), Monterey, USA, October 8th - to, 2018

A Decentralized Architecture for SPARQL Query Processing and RDF Sharing: A Position Paper.

Edgard Marx, Muhammad Saleem, Ioanna Lytra, Axel-Cyrille Ngonga Ngomo

Proceedings of the 12th IEEE International Conference on Semantic Computing, 2018

LIdioms: A Multilingual Linked Idioms Data Set.

Diego Moussallem, Mohamed Ahmed Sherif, Diego Esteves, Marcos Zampieri, Axel-Cyrille Ngonga Ngomo

Proceedings of the Eleventh International Conference on Language Resources and Evaluation, 2018

RDF2PT: Generating Brazilian Portuguese Texts from RDF Data.

Diego Moussallem, Thiago Castro Ferreira, Marcos Zampieri, Maria Cláudia Cavalcanti, Geraldo Xexéo, Mariana L. Neves, Axel-Cyrille Ngonga Ngomo

Proceedings of the Eleventh International Conference on Language Resources and Evaluation, 2018

BENGAL: An Automatic Benchmark Generator for Entity Recognition and Linking.

Axel-Cyrille Ngonga Ngomo, Michael Röder, Diego Moussallem, Ricardo Usbeck, René Speck

Proceedings of the 11th International Conference on Natural Language Generation, 2018

Discovering and Linking Spatio-Temporal Big Linked Data.

Christian Zinke, Axel-Cyrille Ngonga Ngomo

Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

Efficiently Pinpointing SPARQL Query Containments.

Claus Stadler, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo, Jens Lehmann

Proceedings of the Web Engineering - 18th International Conference, 2018

On the Effect of Geometries Simplification on Geo-spatial Link Discovery.

Abdullah Fathi Ahmed, Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo

Proceedings of the 14th International Conference on Semantic Systems, 2018

CostFed: Cost-Based Query Optimization for SPARQL Endpoint Federation.

Muhammad Saleem, Alexander Potocki, Tommaso Soru, Olaf Hartig, Axel-Cyrille Ngonga Ngomo

Proceedings of the 14th International Conference on Semantic Systems, 2018

Towards a Semantic Message-driven Microservice Platform for Geospatial and Sensor Data.

Matthias Wauer, Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo

Proceedings of the 3rd International Workshop on Geospatial Linked Data and the 2nd Workshop on Querying the Web of Data co-located with 15th Extended Semantic Web Conference (ESWC 2018), 2018

Where is My URI?

Andre Valdestilhas, Tommaso Soru, Markus Nentwig, Edgard Marx, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - 15th International Conference, 2018

Open Knowledge Extraction Challenge 2018.

René Speck, Michael Röder, Felix Conrads, Hyndavi Rebba, Catherine Camilla Romiyo, Gurudevi Salakki, Rutuja Suryawanshi, Danish Ahmed, Nikit Srivastava, Mohit Mahajan, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web Challenges, 2018

The Scalable Question Answering Over Linked Data (SQA) Challenge 2018.

Giulio Napolitano, Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web Challenges, 2018

Entity Linking in 40 Languages Using MAG.

Diego Moussallem, Ricardo Usbeck, Michael Röder, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web: ESWC 2018 Satellite Events, 2018

MOCHA2018: The Mighty Storage Challenge at ESWC 2018.

Kleanthi Georgala, Mirko Spasic, Milos Jovanovik, Vassilis Papakonstantinou, Claus Stadler, Michael Röder, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web Challenges, 2018

Dynamic Planning for Link Discovery.

Kleanthi Georgala, Daniel Obraczka, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - 15th International Conference, 2018

On Extracting Relations Using Distributional Semantics and a Tree Generalization.

René Speck, Axel-Cyrille Ngonga Ngomo

Proceedings of the Knowledge Engineering and Knowledge Management, 2018

An Empirical Evaluation of RDF Graph Partitioning Techniques.

Adnan Akhter, Axel-Cyrille Ngonga Ngomo, Muhammad Saleem

Proceedings of the Knowledge Engineering and Knowledge Management, 2018

FactCheck: Validating RDF Triples Using Textual Evidence.

Zafar Habeeb Syed, Michael Röder, Axel-Cyrille Ngonga Ngomo

Proceedings of the 27th ACM International Conference on Information and Knowledge Management, 2018

2017

Special issue on question answering for Linked Data.

Axel-Cyrille Ngonga Ngomo, Christina Unger

Semantic Web, 2017

A survey of current Link Discovery frameworks.

Markus Nentwig, Michael Hartung, Axel-Cyrille Ngonga Ngomo, Erhard Rahm

Semantic Web, 2017

Survey on challenges of Question Answering in the Semantic Web.

Konrad Höffner, Sebastian Walter, Edgard Marx, Ricardo Usbeck, Jens Lehmann, Axel-Cyrille Ngonga Ngomo

Semantic Web, 2017

On the efficient execution of bounded Jaro-Winkler distances.

Kevin Dreßler, Axel-Cyrille Ngonga Ngomo

Semantic Web, 2017

Mandolin: A Knowledge Discovery Framework for the Web of Data.

Tommaso Soru, Diego Esteves, Edgard Marx, Axel-Cyrille Ngonga Ngomo

CoRR, 2017

Automatic Generation of Benchmarks for Entity Recognition and Linking.

Axel-Cyrille Ngonga Ngomo, Michael Röder, Diego Moussallem, Ricardo Usbeck, René Speck

CoRR, 2017

Using Multi-Label Classification for Improved Question Answering.

Ricardo Usbeck, Michael Hoffmann, Michael Röder, Jens Lehmann, Axel-Cyrille Ngonga Ngomo

CoRR, 2017

MAG: A Multilingual, Knowledge-based Agnostic and Deterministic Entity Linking Approach.

Diego Moussallem, Ricardo Usbeck, Michael Röder, Axel-Cyrille Ngonga Ngomo

CoRR, 2017

CEDAL: time-efficient detection of erroneous links in large-scale link repositories.

André Valdestilhas, Tommaso Soru, Axel-Cyrille Ngonga Ngomo

Proceedings of the International Conference on Web Intelligence, 2017

An evaluation of models for runtime approximation in link discovery.

Kleanthi Georgala, Michael Hoffmann, Axel-Cyrille Ngonga Ngomo

Proceedings of the International Conference on Web Intelligence, 2017

LOG4MEX: a library to export machine learning experiments.

Diego Esteves, Diego Moussallem, Tommaso Soru, Ciro Baron Neto, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Julio Cesar Duarte

Proceedings of the International Conference on Web Intelligence, 2017

GENESIS: a generic RDF data access interface.

Timofey Ermilov, Diego Moussallem, Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo

Proceedings of the International Conference on Web Intelligence, 2017

SIGIR 2017 Workshop on Open Knowledge Base and Question Answering (OKBQA2017).

Key-Sun Choi, Teruko Mitamura, Piek Vossen, Jin-Dong Kim, Axel-Cyrille Ngonga Ngomo

Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2017

A high-performance approach to string similarity using most frequent K characters.

Andre Valdestilhas, Tommaso Soru, Axel-Cyrille Ngonga Ngomo

Proceedings of the 12th International Workshop on Ontology Matching co-located with the 16th International Semantic Web Conference (ISWC 2017), 2017

Benchmarking Link Discovery Systems for Geo-Spatial Data.

Tzanina Saveta, Giorgos Flouris, Irini Fundulaki, Axel-Cyrille Ngonga Ngomo

Proceedings of the Joint Proceedings of BLINK2017: 2nd International Workshop on Benchmarking Linked Data and NLIWoD3: Natural Language Interfaces for the Web of Data co-located with 16th International Semantic Web Conference (ISWC 2017), Vienna, Austria, October 21st - to, 2017

HOBBIT link discovery benchmarks at ontology matching 2017.

Michael Röder, Tzanina Saveta, Irini Fundulaki, Axel-Cyrille Ngonga Ngomo

Proceedings of the 12th International Workshop on Ontology Matching co-located with the 16th International Semantic Web Conference (ISWC 2017), 2017

Federated SPARQL Query Processing Via CostFed.

Alexander Potocki, Muhammad Saleem, Tommaso Soru, Olaf Hartig, Martin Voigt, Axel-Cyrille Ngonga Ngomo

Proceedings of the ISWC 2017 Posters & Demonstrations and Industry Tracks co-located with 16th International Semantic Web Conference (ISWC 2017), Vienna, Austria, October 23rd - to, 2017

Distributed Semantic Analytics Using the SANSA Stack.

Jens Lehmann, Gezim Sejdiu, Lorenz Bühmann, Patrick Westphal, Claus Stadler, Ivan Ermilov, Simon Bin, Nilesh Chakraborty, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo, Hajira Jabeen

Proceedings of the Semantic Web - ISWC 2017, 2017

OKBQA: an Open Collaboration Framework for Development of Natural Language Question-Answering over Knowledge Bases.

Jin-Dong Kim, Christina Unger, Axel-Cyrille Ngonga Ngomo, André Freitas, YoungGyun Hahm, Jiseong Kim, Gyu-Hyun Choi, Jeonguk Kim, Ricardo Usbeck, Myoung-Gu Kang, Key-Sun Choi

Proceedings of the ISWC 2017 Posters & Demonstrations and Industry Tracks co-located with 16th International Semantic Web Conference (ISWC 2017), Vienna, Austria, October 23rd - to, 2017

The Tale of Sansa Spark.

Ivan Ermilov, Jens Lehmann, Gezim Sejdiu, Lorenz Bühmann, Patrick Westphal, Claus Stadler, Simon Bin, Nilesh Chakraborty, Henning Petzka, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo, Hajira Jabeen

Proceedings of the ISWC 2017 Posters & Demonstrations and Industry Tracks co-located with 16th International Semantic Web Conference (ISWC 2017), Vienna, Austria, October 23rd - to, 2017

Radon results for OAEI 2017.

Kevin Dreßler, Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo

Proceedings of the 12th International Workshop on Ontology Matching co-located with the 16th International Semantic Web Conference (ISWC 2017), 2017

Iguana: A Generic Framework for Benchmarking the Read-Write Performance of Triple Stores.

Felix Conrads, Jens Lehmann, Muhammad Saleem, Mohamed Morsey, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2017, 2017

Benchmarking RDF Storage Solutions with IGUANA.

Felix Conrads, Jens Lehmann, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo

Proceedings of the ISWC 2017 Posters & Demonstrations and Industry Tracks co-located with 16th International Semantic Web Conference (ISWC 2017), Vienna, Austria, October 23rd - to, 2017

Question Answering Over Linked Data: What is Difficult to Answer? What Affects the F scores?

Muhammad Saleem, Samaneh Nazari Dastjerdi, Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo

Proceedings of the Joint Proceedings of BLINK2017: 2nd International Workshop on Benchmarking Linked Data and NLIWoD3: Natural Language Interfaces for the Web of Data co-located with 16th International Semantic Web Conference (ISWC 2017), Vienna, Austria, October 21st - to, 2017

Torpedo: Improving the State-of-the-Art RDF Dataset Slicing.

Edgard Marx, Saeedeh Shekarpour, Tommaso Soru, Adrian M. P. Brasoveanu, Muhammad Saleem, Ciro Baron, Albert Weichselbraun, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Sören Auer

Proceedings of the 11th IEEE International Conference on Semantic Computing, 2017

Managing Lifecycle of Big Data Applications.

Ivan Ermilov, Axel-Cyrille Ngonga Ngomo, Aad Versteden, Hajira Jabeen, Gezim Sejdiu, Giorgos Argyriou, Luigi Selmi, Jürgen Jakobitsch, Jens Lehmann

Proceedings of the Knowledge Engineering and Semantic Web - 8th International Conference, 2017

Ensemble Learning of Named Entity Recognition Algorithms using Multilayer Perceptron for the Multilingual Web of Data.

René Speck, Axel-Cyrille Ngonga Ngomo

Proceedings of the Knowledge Capture Conference, 2017

SQCFramework: SPARQL Query Containment Benchmark Generation Framework.

Muhammad Saleem, Claus Stadler, Qaiser Mehmood, Jens Lehmann, Axel-Cyrille Ngonga Ngomo

Proceedings of the Knowledge Capture Conference, 2017

MAG: A Multilingual, Knowledge-base Agnostic and Deterministic Entity Linking Approach.

Diego Moussallem, Ricardo Usbeck, Michael Röder, Axel-Cyrille Ngonga Ngomo

Proceedings of the Knowledge Capture Conference, 2017

Characterizing mention mismatching problems for improving recognition results.

Jean Carlos Oliveira de Abreu, Renato Fileto, Axel-Cyrille Ngonga Ngomo, Michael Röder, Matthias Wittwer, Horacio Saggion

Proceedings of the 19th International Conference on Information Integration and Web-based Applications & Services, 2017

The BigDataEurope Platform - Supporting the Variety Dimension of Big Data.

Sören Auer, Simon Scerri, Aad Versteden, Erika Pauwels, Angelos Charalambidis, Stasinos Konstantopoulos, Jens Lehmann, Hajira Jabeen, Ivan Ermilov, Gezim Sejdiu, Andreas Ikonomopoulos, Spyros Andronopoulos, Mandy Vlachogiannis, Charalambos Pappas, Athanasios Davettas, Iraklis A. Klampanos, Efstathios Grigoropoulos, Vangelis Karkaletsis, Victor de Boer, Ronald Siebes, Mohamed Nadjib Mami, Sergio Albani, Michele Lazzarini, Paulo Nunes, Emanuele Angiuli, Nikiforos Pittaras, George Giannakopoulos, Giorgos Argyriou, George Stamoulis, George Papadakis, Manolis Koubarakis, Pythagoras Karampiperis, Axel-Cyrille Ngonga Ngomo, Maria-Esther Vidal

Proceedings of the Web Engineering - 17th International Conference, 2017

7th Open Challenge on Question Answering over Linked Data (QALD-7).

Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo, Bastian Haarmann, Anastasia Krithara, Michael Röder, Giulio Napolitano

Proceedings of the Semantic Web Challenges, 2017

Open Knowledge Extraction Challenge 2017.

René Speck, Michael Röder, Sergio Oramas, Luis Espinosa Anke, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web Challenges, 2017

Wombat - A Generalization Approach for Automatic Link Discovery.

Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo, Jens Lehmann

Proceedings of the Semantic Web - 14th International Conference, 2017

Eaglet - a Named Entity Recognition and Entity Linking Gold Standard Checking Tool.

Kunal Jha, Michael Röder, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web: ESWC 2017 Satellite Events - ESWC 2017 Satellite Events, Portorož, Slovenia, May 28, 2017

All that Glitters Is Not Gold - Rule-Based Curation of Reference Datasets for Named Entity Recognition and Entity Linking.

Kunal Jha, Michael Röder, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - 14th International Conference, 2017

MOCHA2017: The Mighty Storage Challenge at ESWC 2017.

Kleanthi Georgala, Mirko Spasic, Milos Jovanovik, Henning Petzka, Michael Röder, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web Challenges, 2017

Holistic and scalable ranking of RDF data.

Axel-Cyrille Ngonga Ngomo, Michael Hoffmann, Ricardo Usbeck, Kunal Jha

Proceedings of the 2017 IEEE International Conference on Big Data (IEEE BigData 2017), 2017

Implementing scalable structured machine learning for big data in the SAKE project.

Simon Bin, Patrick Westphal, Jens Lehmann, Axel Ngonga

Proceedings of the 2017 IEEE International Conference on Big Data (IEEE BigData 2017), 2017

Radon - Rapid Discovery of Topological Relations.

Mohamed Ahmed Sherif, Kevin Dreßler, Panayiotis Smeros, Axel-Cyrille Ngonga Ngomo

Proceedings of the Thirty-First AAAI Conference on Artificial Intelligence, 2017

2016

A fine-grained evaluation of SPARQL endpoint federation systems.

Muhammad Saleem, Yasar Khan, Ali Hasnain, Ivan Ermilov, Axel-Cyrille Ngonga Ngomo

Semantic Web, 2016

Decentralized provenance-aware publishing with nanopublications.

Tobias Kuhn, Christine Chichester, Michael Krauthammer, Núria Queralt-Rosinach, Ruben Verborgh, George Giannakopoulos, Axel-Cyrille Ngonga Ngomo, Raffaele Viglianti, Michel Dumontier

PeerJ Comput. Sci., 2016

HOBBIT: Holistic Benchmarking of Big Linked Data.

Axel-Cyrille Ngonga Ngomo, Alejandra García-Rojas, Irini Fundulaki

ERCIM News, 2016

Self-Wiring Question Answering Systems.

Ricardo Usbeck, Jonathan Huthmann, Nico Duldhardt, Axel-Cyrille Ngonga Ngomo

CoRR, 2016

LITMUS: An Open Extensible Framework for Benchmarking RDF Data Management Solutions.

Harsh Thakkar, Mohnish Dubey, Gezim Sejdiu, Axel-Cyrille Ngonga Ngomo, Jeremy Debattista, Christoph Lange, Jens Lehmann, Sören Auer, Maria-Esther Vidal

CoRR, 2016

Annex: Radon - Rapid Discovery of Topological Relations.

Mohamed Ahmed Sherif, Kevin Dreßler, Panayiotis Smeros, Axel-Cyrille Ngonga Ngomo

CoRR, 2016

Lion's Den: feeding the LinkLion.

Mohamed Ahmed Sherif, Mofeed Mohamed Hassan, Tommaso Soru, Axel-Cyrille Ngonga Ngomo, Jens Lehmann

Proceedings of the 11th International Workshop on Ontology Matching co-located with the 15th International Semantic Web Conference (ISWC 2016), 2016

How Well Does Your Instance Matching System Perform? Experimental Evaluation with LANCE.

Tzanina Saveta, Evangelia Daskalaki, Giorgos Flouris, Irini Fundulaki, Axel-Cyrille Ngonga Ngomo

Proceedings of the Workshop on Benchmarking Linked Data (BLINK 2016) co-located with the 15th International Semantic Web Conference (ISWC), 2016

Instance matching benchmark for spatial data: a challenge proposal to OAEI.

Irini Fundulaki, Axel-Cyrille Ngonga Ngomo

Proceedings of the 11th International Workshop on Ontology Matching co-located with the 15th International Semantic Web Conference (ISWC 2016), 2016

Exploring Term Networks for Semantic Search over RDF Knowledge Graphs.

Edgard Marx, Konrad Höffner, Saeedeh Shekarpour, Axel-Cyrille Ngonga Ngomo, Jens Lehmann, Sören Auer

Proceedings of the Metadata and Semantics Research - 10th International Conference, 2016

Requirements to Modern Semantic Search Engine.

Ricardo Usbeck, Michael Röder, Peter Haase, Artem Kozlov, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo

Proceedings of the Knowledge Engineering and Semantic Web - 7th International Conference, 2016

Big data architecture for the semantic analysis of complex events in manufacturing.

Marco F. Huber, Martin Voigt, Axel-Cyrille Ngonga Ngomo

Proceedings of the 46. Jahrestagung der Gesellschaft für Informatik, 2016

6th Open Challenge on Question Answering over Linked Data (QALD-6).

Christina Unger, Axel-Cyrille Ngonga Ngomo, Elena Cabrio

Proceedings of the Semantic Web Challenges - Third SemWebEval Challenge at ESWC 2016, Heraklion, Crete, Greece, May 29, 2016

Detecting Similar Linked Datasets Using Topic Modelling.

Michael Röder, Axel-Cyrille Ngonga Ngomo, Ivan Ermilov, Andreas Both

Proceedings of the Semantic Web. Latest Advances and New Domains, 2016

UPSP: Unique Predicate-based Source Selection for SPARQL Endpoint Federation.

Ethem Cem Ozkan, Muhammad Saleem, Erdogan Dogdu, Axel-Cyrille Ngonga Ngomo

Proceedings of the 3rd International Workshop on Dataset PROFIling and fEderated Search for Linked Data (PROFILES '16) co-located with the 13th ESWC 2016 Conference, 2016

Federated Query Processing: Challenges and Opportunities.

Axel-Cyrille Ngonga Ngomo, Muhammad Saleem

Proceedings of the 3rd International Workshop on Dataset PROFIling and fEderated Search for Linked Data (PROFILES '16) co-located with the 13th ESWC 2016 Conference, 2016

The Lazy Traveling Salesman - Memory Management for Large-Scale Link Discovery.

Axel-Cyrille Ngonga Ngomo, Mofeed Mohamed Hassan

Proceedings of the Semantic Web. Latest Advances and New Domains, 2016

DBtrends: Publishing and Benchmarking RDF Ranking Functions.

Edgard Marx, Amrapali Zaveri, Mofeed Mohamed Hassan, Sandro Rautenberg, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Gong Cheng

Proceedings of the 2nd International Workshop on Summarizing and Presenting Entities and Ontologies (SumPre 2016) co-located with the 13th Extended Semantic Web Conference (ESWC 2016), 2016

TAIPAN: Automatic Property Mapping for Tabular Data.

Ivan Ermilov, Axel-Cyrille Ngonga Ngomo

Proceedings of the Knowledge Engineering and Knowledge Management, 2016

An Efficient Approach for the Generation of Allen Relations.

Kleanthi Georgala, Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo

Proceedings of the ECAI 2016 - 22nd European Conference on Artificial Intelligence, 29 August-2 September 2016, The Hague, The Netherlands, 2016

Towards SPARQL-Based Induction for Large-Scale RDF Data Sets.

Simon Bin, Lorenz Bühmann, Jens Lehmann, Axel-Cyrille Ngonga Ngomo

Proceedings of the ECAI 2016 - 22nd European Conference on Artificial Intelligence, 29 August-2 September 2016, The Hague, The Netherlands, 2016

Big Data Acquisition.

Klaus Lyko, Marcus Nitzschke, Axel-Cyrille Ngonga Ngomo

Proceedings of the New Horizons for a Data-Driven Economy, 2016

2015

SINA: Semantic interpretation of user queries for question answering on interlinked data.

Saeedeh Shekarpour, Edgard Marx, Axel-Cyrille Ngonga Ngomo, Sören Auer

J. Web Semant., 2015

DeFacto - Temporal and multilingual Deep Fact Validation.

Daniel Gerber, Diego Esteves, Jens Lehmann, Lorenz Bühmann, Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo, René Speck

J. Web Semant., 2015

Semantic Quran.

Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo

Semantic Web, 2015

Linked SDMX Data: Path to high fidelity Statistical Linked Data.

Sarven Capadisli, Sören Auer, Axel-Cyrille Ngonga Ngomo

Semantic Web, 2015

An overview of the BIOASQ large-scale biomedical semantic indexing and question answering competition.

George Tsatsaronis, Georgios Balikas, Prodromos Malakasiotis, Ioannis Partalas, Matthias Zschunke, Michael R. Alvers, Dirk Weissenborn, Anastasia Krithara, Sergios Petridis, Dimitris Polychronopoulos, Yannis Almirantis, John Pavlopoulos, Nicolas Baskiotis, Patrick Gallinari, Thierry Artières, Axel-Cyrille Ngonga Ngomo, Norman Heino, Éric Gaussier, Liliana Barrio-Alvers, Michael Schroeder, Ion Androutsopoulos, Georgios Paliouras

BMC Bioinform., 2015

GERBIL: General Entity Annotator Benchmarking Framework.

Ricardo Usbeck, Michael Röder, Axel-Cyrille Ngonga Ngomo, Ciro Baron, Andreas Both, Martin Brümmer, Diego Ceccarelli, Marco Cornolti, Didier Cherix, Bernd Eickmann, Paolo Ferragina, Christiane Lemke, Andrea Moro, Roberto Navigli, Francesco Piccinno, Giuseppe Rizzo, Harald Sack, René Speck, Raphaël Troncy, Jörg Waitelonis, Lars Wesemann

Proceedings of the 24th International Conference on World Wide Web, 2015

ROCKER: A Refinement Operator for Key Discovery.

Tommaso Soru, Edgard Marx, Axel-Cyrille Ngonga Ngomo

Proceedings of the 24th International Conference on World Wide Web, 2015

Pushing the Limits of Instance Matching Systems: A Semantics-Aware Benchmark for Linked Data.

Tzanina Saveta, Evangelia Daskalaki, Giorgos Flouris, Irini Fundulaki, Melanie Herschel, Axel-Cyrille Ngonga Ngomo

Proceedings of the 24th International Conference on World Wide Web Companion, 2015

CubeViz: Exploration and Visualization of Statistical Linked Data.

Michael Martin, Konrad Abicht, Claus Stadler, Axel-Cyrille Ngonga Ngomo, Tommaso Soru, Sören Auer

Proceedings of the 24th International Conference on World Wide Web Companion, 2015

Interlinking: Performance Assessment of User Evaluation vs. Supervised Learning Approaches.

Mofeed Mohamed Hassan, Jens Lehmann, Axel-Cyrille Ngonga Ngomo

Proceedings of the Workshop on Linked Data on the Web, 2015

Enhancing Dataset Quality using Keys.

Tommaso Soru, Edgard Marx, Axel-Cyrille Ngonga Ngomo

Proceedings of the ISWC 2015 Posters & Demonstrations Track co-located with the 14th International Semantic Web Conference (ISWC-2015), 2015

LANCE: A Generic Benchmark Generator for Linked Data.

Tzanina Saveta, Evangelia Daskalaki, Giorgos Flouris, Irini Fundulaki, Axel-Cyrille Ngonga Ngomo

Proceedings of the ISWC 2015 Posters & Demonstrations Track co-located with the 14th International Semantic Web Conference (ISWC-2015), 2015

LANCE: Piercing to the Heart of Instance Matching Tools.

Tzanina Saveta, Evangelia Daskalaki, Giorgos Flouris, Irini Fundulaki, Melanie Herschel, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2015, 2015

Automatic SPARQL Benchmark Generation using FEASIBLE.

Muhammad Saleem, Qaiser Mehmood, Axel-Cyrille Ngonga Ngomo

Proceedings of the ISWC 2015 Posters & Demonstrations Track co-located with the 14th International Semantic Web Conference (ISWC-2015), 2015

FEASIBLE: A Feature-Based SPARQL Benchmark Generation Framework.

Muhammad Saleem, Qaiser Mehmood, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2015, 2015

The LSQ Dataset: Querying for Queries.

Muhammad Saleem, Muhammad Intizar Ali, Aidan Hogan, Qaiser Mehmood, Axel-Cyrille Ngonga Ngomo

Proceedings of the ISWC 2015 Posters & Demonstrations Track co-located with the 14th International Semantic Web Conference (ISWC-2015), 2015

LSQ: The Linked SPARQL Queries Dataset.

Muhammad Saleem, Muhammad Intizar Ali, Aidan Hogan, Qaiser Mehmood, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2015, 2015

An Open Question Answering Framework.

Edgard Marx, Tommaso Soru, Diego Esteves, Axel-Cyrille Ngonga Ngomo, Jens Lehmann

Proceedings of the ISWC 2015 Posters & Demonstrations Track co-located with the 14th International Semantic Web Conference (ISWC-2015), 2015

ASSESS - Automatic Self-Assessment Using Linked Data.

Lorenz Bühmann, Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2015, 2015

Using Caching for Local Link Discovery on Large Data Sets.

Mofeed Mohamed Hassan, René Speck, Axel-Cyrille Ngonga Ngomo

Proceedings of the Engineering the Web in the Big Data Era - 15th International Conference, 2015

Motive-based Search.

Liliya Avdiyenko, Martin Nettling, Christiane Lemke, Matthias Wauer, Axel-Cyrille Ngonga Ngomo, Andreas Both

Proceedings of the KDIR 2015, 2015

An optimization approach for load balancing in parallel link discovery.

Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo

Proceedings of the 11th International Conference on Semantic Systems, 2015

LODFlow: a workflow management system for linked data processing.

Sandro Rautenberg, Ivan Ermilov, Edgard Marx, Sören Auer, Axel-Cyrille Ngonga Ngomo

Proceedings of the 11th International Conference on Semantic Systems, 2015

Evaluating Entity Annotators Using GERBIL.

Ricardo Usbeck, Michael Röder, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web: ESWC 2015 Satellite Events - ESWC 2015 Satellite Events Portorož, Slovenia, May 31, 2015

HAWK - Hybrid Question Answering Using Linked Data.

Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo, Lorenz Bühmann, Christina Unger

Proceedings of the Semantic Web. Latest Advances and New Domains, 2015

Automating RDF Dataset Transformation and Enrichment.

Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo, Jens Lehmann

Proceedings of the Semantic Web. Latest Advances and New Domains, 2015

CETUS - A Baseline Approach to Type Extraction.

Michael Röder, Ricardo Usbeck, René Speck, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web Evaluation Challenges, 2015

Developing a Sustainable Platform for Entity Annotation Benchmarks.

Michael Röder, Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web: ESWC 2015 Satellite Events - ESWC 2015 Satellite Events Portorož, Slovenia, May 31, 2015

HAWK@QALD5 - Trying to Answer Hybrid Questions with Various Simple Ranking Techniques.

Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo

Proceedings of the Working Notes of CLEF 2015, 2015

Question Answering over Linked Data (QALD-5).

Christina Unger, Corina Forascu, Vanessa López, Axel-Cyrille Ngonga Ngomo, Elena Cabrio, Philipp Cimiano, Sebastian Walter

Proceedings of the Working Notes of CLEF 2015, 2015

Managing Geospatial Linked Data in the GeoKnow Project.

Jens Lehmann, Spiros Athanasiou, Andreas Both, Alejandra García-Rojas, Giorgos Giannopoulos, Daniel Hladky, Jon Jay Le Grange, Axel-Cyrille Ngonga Ngomo, Mohamed Ahmed Sherif, Claus Stadler, Matthias Wauer, Patrick Westphal, Vadim Zaslawski

Proceedings of the Semantic Web in Earth and Space Science. Current Status and Future Directions, 2015

2014

Big linked cancer data: Integrating linked TCGA and PubMed.

Muhammad Saleem, Maulik R. Kamdar, Aftab Iqbal, Shanmukha S. Padmanabhuni, Helena F. Deus, Axel-Cyrille Ngonga Ngomo

J. Web Semant., 2014

TopFed: TCGA Tailored Federated Query Processing and Linking to LOD.

Muhammad Saleem, Shanmukha S. Padmanabhuni, Axel-Cyrille Ngonga Ngomo, Aftab Iqbal, Jonas S. Almeida, Stefan Decker, Helena F. Deus

J. Biomed. Semant., 2014

SAFE: Policy Aware SPARQL Query Federation Over RDF Data Cubes.

Yasar Khan, Muhammad Saleem, Aftab Iqbal, Muntazir Mehdi, Aidan Hogan, Axel-Cyrille Ngonga Ngomo, Stefan Decker, Ratnesh Sahay

Proceedings of the 7th International Workshop on Semantic Web Applications and Tools for Life Sciences, 2014

AGDISTIS - Graph-Based Disambiguation of Named Entities Using Linked Data.

Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo, Michael Röder, Daniel Gerber, Sandro Athaíde Coelho, Sören Auer, Andreas Both

Proceedings of the Semantic Web - ISWC 2014, 2014

Multilingual Disambiguation of Named Entities Using Linked Data.

Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo, Wencan Luo, Lars Wesemann

Proceedings of the ISWC 2014 Posters & Demonstrations Track a track within the 13th International Semantic Web Conference, 2014

Named Entity Recognition using FOX.

René Speck, Axel-Cyrille Ngonga Ngomo

Proceedings of the ISWC 2014 Posters & Demonstrations Track a track within the 13th International Semantic Web Conference, 2014

Ensemble Learning for Named Entity Recognition.

René Speck, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2014, 2014

Cross-Document Coreference Resolution Using Latent Features.

Axel-Cyrille Ngonga Ngomo, Michael Röder, Ricardo Usbeck

Proceedings of the Second International Workshop on Linked Data for Information Extraction (LD4IE 2014) co-located with the 13th International Semantic Web Conference (ISWC 2014), 2014

HELIOS - Execution Optimization for Link Discovery.

Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2014, 2014

Time-efficient execution of bounded Jaro-Winkler distances.

Kevin Dreßler, Axel-Cyrille Ngonga Ngomo

Proceedings of the 9th International Workshop on Ontology Matching collocated with the 13th International Semantic Web Conference (ISWC 2014), 2014

Web-Scale Extension of RDF Knowledge Bases from Templated Websites.

Lorenz Bühmann, Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo, Muhammad Saleem, Andreas Both, Valter Crescenzi, Paolo Merialdo, Disheng Qiu

Proceedings of the Semantic Web - ISWC 2014, 2014

A tool suite for creating question answering benchmarks.

Axel-Cyrille Ngonga Ngomo, Norman Heino, René Speck, Prodromos Malakasiotis

Proceedings of the Ninth International Conference on Language Resources and Evaluation, 2014

A comparison of supervised learning classifiers for link discovery.

Tommaso Soru, Axel-Cyrille Ngonga Ngomo

Proceedings of the 10th International Conference on Semantic Systems, 2014

Towards an open question answering architecture.

Edgard Marx, Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo, Konrad Höffner, Jens Lehmann, Sören Auer

Proceedings of the 10th International Conference on Semantic Systems, 2014

A service-oriented search framework for full text, geospatial and semantic search.

Andreas Both, Axel-Cyrille Ngonga Ngomo, Ricardo Usbeck, Denis Lukovnikov, Christiane Lemke, Maximilian Speicher

Proceedings of the 10th International Conference on Semantic Systems, 2014

HiBISCuS: Hypergraph-Based Source Selection for SPARQL Endpoint Federation.

Muhammad Saleem, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web: Trends and Challenges - 11th International Conference, 2014

Hybrid Acquisition of Temporal Scopes for RDF Data.

Anisa Rula, Matteo Palmonari, Axel-Cyrille Ngonga Ngomo, Daniel Gerber, Jens Lehmann, Lorenz Bühmann

Proceedings of the Semantic Web: Trends and Challenges - 11th International Conference, 2014

Unsupervised Link Discovery through Knowledge Base Repair.

Axel-Cyrille Ngonga Ngomo, Mohamed Ahmed Sherif, Klaus Lyko

Proceedings of the Semantic Web: Trends and Challenges - 11th International Conference, 2014

LinkLion: A Link Repository for the Web of Data.

Markus Nentwig, Tommaso Soru, Axel-Cyrille Ngonga Ngomo, Erhard Rahm

Proceedings of the Semantic Web: ESWC 2014 Satellite Events, 2014

conTEXT - A Mashup Platform for Lightweight Text Analytics.

Ali Khalili, Sören Auer, Axel-Cyrille Ngonga Ngomo

Proceedings of the AI Mashup Challenge 2014 co-located with 11th Extended Semantic Web Conference (ESWC 2014), 2014

conTEXT - Lightweight Text Analytics Using Linked Data.

Ali Khalili, Sören Auer, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web: Trends and Challenges - 11th International Conference, 2014

AGDISTIS - Agnostic Disambiguation of Named Entities Using Linked Open Data.

Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo, Michael Röder, Daniel Gerber, Sandro Athaíde Coelho, Sören Auer, Andreas Both

Proceedings of the ECAI 2014 - 21st European Conference on Artificial Intelligence, 18-22 August 2014, Prague, Czech Republic, 2014

Question Answering over Linked Data (QALD-4).

Christina Unger, Corina Forascu, Vanessa López, Axel-Cyrille Ngonga Ngomo, Elena Cabrio, Philipp Cimiano, Sebastian Walter

Proceedings of the Working Notes for CLEF 2014 Conference, 2014

Overview of CLEF Question Answering Track 2014.

Anselmo Peñas, Christina Unger, Axel-Cyrille Ngonga Ngomo

Proceedings of the Information Access Evaluation. Multilinguality, Multimodality, and Interaction, 2014

Results of the BioASQ Track of the Question Answering Lab at CLEF 2014.

Georgios Balikas, Ioannis Partalas, Axel-Cyrille Ngonga Ngomo, Anastasia Krithara, Georgios Paliouras

Proceedings of the Working Notes for CLEF 2014 Conference, 2014

From RDF to Natural Language and Back.

Daniel Gerber, Axel-Cyrille Ngonga Ngomo

Proceedings of the Towards the Multilingual Semantic Web, 2014

2013

Generating SPARQL queries using templates.

Saeedeh Shekarpour, Sören Auer, Axel-Cyrille Ngonga Ngomo, Daniel Gerber, Sebastian Hellmann, Claus Stadler

Web Intell. Agent Syst., 2013

Towards an Efficient RDF Dataset Slicing.

Edgard Marx, Tommaso Soru, Saeedeh Shekarpour, Sören Auer, Axel-Cyrille Ngonga Ngomo, Karin K. Breitman

Int. J. Semantic Comput., 2013

Extraktion, Mapping und Verlinkung von Daten im Web - Phasen im Lebenszyklus von Linked Data.

Sören Auer, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Claus Stadler, Jörg Unbehauen

Datenbank-Spektrum, 2013

Question answering on interlinked data.

Saeedeh Shekarpour, Axel-Cyrille Ngonga Ngomo, Sören Auer

Proceedings of the 22nd International World Wide Web Conference, 2013

SPARQL2NL: verbalizing sparql queries.

Axel-Cyrille Ngonga Ngomo, Lorenz Bühmann, Christina Unger, Jens Lehmann, Daniel Gerber

Proceedings of the 22nd International World Wide Web Conference, 2013

Sorry, i don't speak SPARQL: translating SPARQL queries into natural language.

Axel-Cyrille Ngonga Ngomo, Lorenz Bühmann, Christina Unger, Jens Lehmann, Daniel Gerber

Proceedings of the 22nd International World Wide Web Conference, 2013

Rapid execution of weighted edit distances.

Tommaso Soru, Axel-Cyrille Ngonga Ngomo

Proceedings of the 8th International Workshop on Ontology Matching co-located with the 12th International Semantic Web Conference (ISWC 2013), 2013

DAW: Duplicate-AWare Federated Query Processing over the Web of Data.

Muhammad Saleem, Axel-Cyrille Ngonga Ngomo, Josiane Xavier Parreira, Helena F. Deus, Manfred Hauswirth

Proceedings of the Semantic Web - ISWC 2013, 2013

Unsupervised learning of link specifications: deterministic vs. non-deterministic.

Axel-Cyrille Ngonga Ngomo, Klaus Lyko

Proceedings of the 8th International Workshop on Ontology Matching co-located with the 12th International Semantic Web Conference (ISWC 2013), 2013

ORCHID - Reduction-Ratio-Optimal Computation of Geo-spatial Distances for Link Discovery.

Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2013, 2013

Real-Time RDF Extraction from Unstructured Data Streams.

Daniel Gerber, Sebastian Hellmann, Lorenz Bühmann, Tommaso Soru, Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2013, 2013

Towards Transfer Learning of Link Specifications.

Axel-Cyrille Ngonga Ngomo, Jens Lehmann, Mofeed Mohamed Hassan

Proceedings of the 2013 IEEE Seventh International Conference on Semantic Computing, 2013

Large-Scale RDF Dataset Slicing.

Edgard Marx, Saeedeh Shekarpour, Sören Auer, Axel-Cyrille Ngonga Ngomo

Proceedings of the 2013 IEEE Seventh International Conference on Semantic Computing, 2013

Introduction to Linked Data and Its Lifecycle on the Web.

Sören Auer, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Amrapali Zaveri

Proceedings of the Reasoning Web. Semantic Technologies for Intelligent Data Access - 9th International Summer School 2013, Mannheim, Germany, July 30, 2013

User Interface for a Template Based Question Answering System.

Konrad Höffner, Christina Unger, Lorenz Bühmann, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Daniel Gerber, Philipp Cimiano

Proceedings of the Knowledge Engineering and the Semantic Web, 2013

Linked cancer genome atlas database.

Muhammad Saleem, Shanmukha S. Padmanabhuni, Axel-Cyrille Ngonga Ngomo, Jonas S. Almeida, Stefan Decker, Helena F. Deus

Proceedings of the I-SEMANTICS 2013 - 9th International Conference on Semantic Systems, 2013

COALA - Correlation-Aware Active Learning of Link Specifications.

Axel-Cyrille Ngonga Ngomo, Klaus Lyko, Victor Christen

Proceedings of the Semantic Web: Semantics and Big Data, 10th International Conference, 2013

When to Reach for the Cloud: Using Parallel Hardware for Link Discovery.

Axel-Cyrille Ngonga Ngomo, Lars Kolb, Norman Heino, Michael Hartung, Sören Auer, Erhard Rahm

Proceedings of the Semantic Web: Semantics and Big Data, 10th International Conference, 2013

SAIM - One Step Closer to Zero-Configuration Link Discovery.

Klaus Lyko, Konrad Höffner, René Speck, Axel-Cyrille Ngonga Ngomo, Jens Lehmann

Proceedings of the Semantic Web: ESWC 2013 Satellite Events, 2013

Results of the First BioASQ Workshop.

Ioannis Partalas, Éric Gaussier, Axel-Cyrille Ngonga Ngomo

Proceedings of the first Workshop on Bio-Medical Semantic Indexing and Question Answering, 2013

Multilingual Question Answering over Linked Data (QALD-3): Lab Overview.

Philipp Cimiano, Vanessa López, Christina Unger, Elena Cabrio, Axel-Cyrille Ngonga Ngomo, Sebastian Walter

Proceedings of the Information Access Evaluation. Multilinguality, Multimodality, and Visualization, 2013

QALD-3: Multilingual Question Answering over Linked Data.

Elena Cabrio, Philipp Cimiano, Vanessa López, Axel-Cyrille Ngonga Ngomo, Christina Unger, Sebastian Walter

Proceedings of the Working Notes for CLEF 2013 Conference , 2013

On Caching for Local Graph Clustering Algorithms.

René Speck, Axel-Cyrille Ngonga Ngomo

Proceedings of the AI 2013: Advances in Artificial Intelligence, 2013

2012

On Link Discovery using a Hybrid Approach.

Axel-Cyrille Ngonga Ngomo

J. Data Semant., 2012

Template-based question answering over RDF data.

Christina Unger, Lorenz Bühmann, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Daniel Gerber, Philipp Cimiano

Proceedings of the 21st World Wide Web Conference 2012, 2012

Query Segmentation and Resource Disambiguation Leveraging Background Knowledge.

Saeedeh Shekarpour, Axel-Cyrille Ngonga Ngomo, Sören Auer

Proceedings of the Web of Linked Entities Workshop, Boston, USA, November 11, 2012, 2012

Learning conformation rules for linked data integration.

Axel-Cyrille Ngonga Ngomo

Proceedings of the 7th International Workshop on Ontology Matching, 2012

Link Discovery with Guaranteed Reduction Ratio in Affine Spaces with Minkowski Measures.

Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2012, 2012

DeFacto - Deep Fact Validation.

Jens Lehmann, Daniel Gerber, Mohamed Morsey, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2012, 2012

deqa: Deep Web Extraction for Question Answering.

Jens Lehmann, Tim Furche, Giovanni Grasso, Axel-Cyrille Ngonga Ngomo, Christian Schallhart, Andrew Jon Sellers, Christina Unger, Lorenz Bühmann, Daniel Gerber, Konrad Höffner, David Liu, Sören Auer

Proceedings of the Semantic Web - ISWC 2012, 2012

EAGLE: Efficient Active Learning of Link Specifications Using Genetic Programming.

Axel-Cyrille Ngonga Ngomo, Klaus Lyko

Proceedings of the Semantic Web: Research and Applications, 2012

Extracting Multilingual Natural-Language Patterns for RDF Predicates.

Daniel Gerber, Axel-Cyrille Ngonga Ngomo

Proceedings of the Knowledge Engineering and Knowledge Management, 2012

Active Learning of Domain-Specific Distances for Link Discovery.

Tommaso Soru, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Technology, Second Joint International Conference, 2012

Keyword-Driven Resource Disambiguation over RDF Knowledge Bases.

Saeedeh Shekarpour, Axel-Cyrille Ngonga Ngomo, Sören Auer

Proceedings of the Semantic Technology, Second Joint International Conference, 2012

EAGER: Extending Automatically Gazetteers for Entity Recognition.

Ömer Farukhan Günes, Tim Furche, Christian Schallhart, Jens Lehmann, Axel-Cyrille Ngonga Ngomo

Proceedings of the 3rd Workshop on the People's Web Meets NLP: Collaboratively Constructed Semantic Resources and their Applications to NLP@ACL 2012, 2012

BioASQ: A Challenge on Large-Scale Biomedical Semantic Indexing and Question Answering.

George Tsatsaronis, Michael Schroeder, Georgios Paliouras, Yannis Almirantis, Ion Androutsopoulos, Éric Gaussier, Patrick Gallinari, Thierry Artières, Michael R. Alvers, Matthias Zschunke, Axel-Cyrille Ngonga Ngomo

Proceedings of the Information Retrieval and Knowledge Discovery in Biomedical Text, 2012

Usage-Centric Benchmarking of RDF Triple Stores.

Mohamed Morsey, Jens Lehmann, Sören Auer, Axel-Cyrille Ngonga Ngomo

Proceedings of the Twenty-Sixth AAAI Conference on Artificial Intelligence, 2012

2011

Ontology design patterns to disambiguate relations between genes and gene products in GENIA.

Robert Hoehndorf, Axel-Cyrille Ngonga Ngomo, Sampo Pyysalo, Tomoko Ohta, Anika Oellrich, Dietrich Rebholz-Schuhmann

J. Biomed. Semant., 2011

Keyword-Driven SPARQL Query Generation Leveraging Background Knowledge.

Saeedeh Shekarpour, Sören Auer, Axel-Cyrille Ngonga Ngomo, Daniel Gerber, Sebastian Hellmann, Claus Stadler

Proceedings of the 2011 IEEE/WIC/ACM International Conference on Web Intelligence, 2011

RAVEN - active learning of link specifications.

Axel-Cyrille Ngonga Ngomo, Jens Lehmann, Sören Auer, Konrad Höffner

Proceedings of the 6th International Workshop on Ontology Matching, 2011

SCMS - Semantifying Content Management Systems.

Axel-Cyrille Ngonga Ngomo, Norman Heino, Klaus Lyko, René Speck, Martin Kaltenböck

Proceedings of the Semantic Web - ISWC 2011, 2011

A time-efficient hybrid approach to link discovery.

Axel-Cyrille Ngonga Ngomo

Proceedings of the 6th International Workshop on Ontology Matching, 2011

DBpedia SPARQL Benchmark - Performance Assessment with Real Queries on Real Data.

Mohamed Morsey, Jens Lehmann, Sören Auer, Axel-Cyrille Ngonga Ngomo

Proceedings of the Semantic Web - ISWC 2011, 2011

Introduction to Linked Data and Its Lifecycle on the Web.

Sören Auer, Jens Lehmann, Axel-Cyrille Ngonga Ngomo

Proceedings of the Reasoning Web. Semantic Technologies for the Web of Data, 2011

LIMES - A Time-Efficient Approach for Large-Scale Link Discovery on the Web of Data.

Axel-Cyrille Ngonga Ngomo, Sören Auer

Proceedings of the IJCAI 2011, 2011

Parallelizing LIMES for large-scale link discovery.

Stanley Hillner, Axel-Cyrille Ngonga Ngomo

Proceedings of the Proceedings the 7th International Conference on Semantic Systems, 2011

2010

Low-Bias Extraction of Domain-Specific Concepts.

Axel-Cyrille Ngonga Ngomo

Informatica (Slovenia), 2010

Applying the functional abnormality ontology pattern to anatomical functions.

Robert Hoehndorf, Axel-Cyrille Ngonga Ngomo, Janet Kelso

J. Biomed. Semant., 2010

Applying ontology design patterns to the implementation of relations in GENIA.

Robert Hoehndorf, Axel-Cyrille Ngonga Ngomo, Sampo Pyysalo, Tomoko Ohta, Anika Oellrich, Dietrich Rebholz-Schuhmann

Proceedings of the Fourth International Symposium for Semantic Mining in Biomedicine, 2010

2009

Low bias extraction of domain specific concepts.

Axel-Cyrille Ngonga Ngomo

PhD thesis, 2009

Disentangling the Wikipedia Category Graph for Corpus Extraction.

Axel-Cyrille Ngonga Ngomo, Frank Schumacher

Polibits, 2009

Developing Consistent and Modular Software Models with Ontologies.

Robert Hoehndorf, Axel-Cyrille Ngonga Ngomo, Heinrich Herre

Proceedings of the New Trends in Software Methodologies, Tools and Techniques, 2009

BorderFlow: A Local Graph Clustering Algorithm for Natural Language Processing.

Axel-Cyrille Ngonga Ngomo, Frank Schumacher

Proceedings of the Computational Linguistics and Intelligent Text Processing, 2009

2008

Knowledge-free discovery of domain-specific multiword units.

Axel-Cyrille Ngonga Ngomo

Proceedings of the 2008 ACM Symposium on Applied Computing (SAC), 2008

SIGNUM: A Graph Algorithm for Terminology Extraction.

Axel-Cyrille Ngonga Ngomo

Proceedings of the Computational Linguistics and Intelligent Text Processing, 2008

2007

Involving the User in Semantic Search.

Axel-Cyrille Ngonga Ngomo, Frank Schumacher

Proceedings of the Human Interface and the Management of Information. Methods, 2007