University of Hagen at CLEF 2003: Natural Language Access to the GIRT4 Data. - Johannes Leveling (CLEF (Working Notes), 2003)

University of Hagen at CLEF 2004: Indexing and Translating Concepts for the GIRT Task. - Johannes Leveling; Sven Hartrumpf (CLEF, 2004)

Feedback Mechanisms for a Natural Language Interface: An Application of the Critic Paradigm. - Johannes Leveling (RIAO, 2004)

A Baseline for NLP in Domain-Specific IR. - Johannes Leveling (CLEF, 2005)

University of Hagen at CLEF 2005: Towards a Better Baseline for NLP Methods in Domain-Specific Information Retrieval. - Johannes Leveling (CLEF (Working Notes), 2005)

Using Semantic Networks for Geographic Information Retrieval. - Johannes Leveling; Sven Hartrumpf; Dirk Veiel (CLEF, 2005)

University of Hagen at GeoCLEF 2005: Using Semantic Networks for Interpreting Geographical Queries. - Johannes Leveling; Sven Hartrumpf; Dirk Veiel (CLEF (Working Notes), 2005)

Interpretation and Normalization of Temporal Expressions for Question Answering. - Sven Hartrumpf; Johannes Leveling (CLEF, 2006)

University of Hagen at QA@CLEF 2006: Interpretation and Normalization of Temporal Expressions. - Sven Hartrumpf; Johannes Leveling (CLEF (Working Notes), 2006)

Reranking Documents with Antagonistic Terms. - Johannes Leveling (CLEF, 2006)

University of Hagen at CLEF2006: Reranking Documents for the Domain-specific Task. - Johannes Leveling (CLEF (Working Notes), 2006)

Experiments on the Exclusion of Metonymic Location Names from GIR. - Johannes Leveling; Dirk Veiel (CLEF, 2006)

University of Hagen at GeoCLEF2006: Experiments with Metonymy Recognition in Documents. - Johannes Leveling; Dirk Veiel (CLEF (Working Notes), 2006)

On metonymy recognition for geographic IR. - Johannes Leveling; Sven Hartrumpf (GIR, 2006)

The Role of Information Retrieval in the Question Answering System IRSAW. - Johannes Leveling (LWA, 2006)

Coreference Resolution for Questions and Answer Merging by Validation. - Sven Hartrumpf; Ingo Glöckner; Johannes Leveling (CLEF, 2007)

University of Hagen at QA@CLEF 2007: Coreference Resolution for Questions and Answer Merging. - Sven Hartrumpf; Ingo Glöckner; Johannes Leveling (CLEF (Working Notes), 2007)

Inferring Location Names for Geographic Information Retrieval. - Johannes Leveling; Sven Hartrumpf (CLEF, 2007)

University of Hagen at GeoCLEF 2007: Exploring Location Indicators for Geographic Information Retrieval. - Johannes Leveling; Sven Hartrumpf (CLEF (Working Notes), 2007)

Exploring term selection for geographic blind feedback. - Johannes Leveling (GIR, 2007)

Parameter Learning for a Readability Checking Tool. - Tim vor der Brück; Johannes Leveling (LWA, 2007)

A Modified Information Retrieval Approach to Produce Answer Candidates for Question Answering. - Johannes Leveling (LWA, 2007)

Logical Validation, Answer Merging and Witness Selection - A Study in Multi-Stream Question Answering. - Ingo Glöckner; Sven Hartrumpf; Johannes Leveling (RIAO, 2007)

FUH (FernUniversität in Hagen): Metonymy Recognition Using Different Kinds of Context for a Memory-Based Learner. - Johannes Leveling (SemEval@ACL, 2007)

Efficient Question Answering with Question Decomposition and Multiple Answer Streams. - Sven Hartrumpf; Ingo Glöckner; Johannes Leveling (CLEF, 2008)

University of Hagen at QA@CLEF 2008: Efficient Question Answering with Question Decomposition and Multiple Answer Streams. - Sven Hartrumpf; Ingo Glöckner; Johannes Leveling (CLEF (Working Notes), 2008)

Integrating Methods from IR and QA for Geographic Information Retrieval. - Johannes Leveling; Sven Hartrumpf (CLEF, 2008)

University of Hagen at GeoCLEF 2008: Combining IR and QA for Geographic Information Retrieval. - Johannes Leveling; Sven Hartrumpf (CLEF (Working Notes), 2008)

GikiP at GeoCLEF 2008: Joining GIR and QA Forces for Querying Wikipedia. - Diana Santos; Nuno Cardoso; Paula Carvalho 001; Iustin Dornescu; Sven Hartrumpf; Johannes Leveling; Yvonne Skalban (CLEF, 2008)

Getting Geographical Answers fromWikipedia: the GikiP pilot at CLEF. - Diana Santos; Nuno Cardoso; Paula Carvalho 001; Iustin Dornescu; Sven Hartrumpf; Johannes Leveling; Yvonne Skalban (CLEF (Working Notes), 2008)

Improving response time for question answering. - Johannes Leveling (LWA, 2008)

On metonymy recognition for geographic information retrieval. - Johannes Leveling; Sven Hartrumpf (Int. J. Geogr. Inf. Sci., 2008)

Identifying Common User Behaviour in Multilingual Search Logs. - M. Rami Ghorab; Johannes Leveling; Dong Zhou 001; Gareth J. F. Jones; Vincent Wade (CLEF (1), 2009)

TCD-DCU at LogCLEF 2009: An Analysis of Queries, Actions, and Interface Languages. - M. Rami Ghorab; Johannes Leveling; Dong Zhou 001; Gareth J. F. Jones; Vincent P. Wade (CLEF (Working Notes), 2009)

Recursive Question Decomposition for Answering Complex Geographic Questions. - Sven Hartrumpf; Johannes Leveling (CLEF (1), 2009)

GIRSA-WP at GikiCLEF: Integration of Structured Information and Decomposition of Questions. - Sven Hartrumpf; Johannes Leveling (CLEF (Working Notes), 2009)

Document Expansion, Query Translation and Language Modeling for Ad-Hoc IR. - Johannes Leveling; Dong Zhou 001; Gareth J. F. Jones; Vincent Wade (CLEF (1), 2009)

Exploring Structured Documents and Query Formulation Techniques for Patent Retrieval. - Walid Magdy; Johannes Leveling; Gareth J. F. Jones (CLEF (1), 2009)

DCU @ CLEF-IP 2009: Exploring Standard IR Techniques on Patent Retrieval. - Walid Magdy; Johannes Leveling; Gareth J. F. Jones (CLEF (Working Notes), 2009)

Document Expansion for Text-Based Image Retrieval at CLEF 2009. - Jinming Min; Peter Wilkins; Johannes Leveling; Gareth J. F. Jones (CLEF (2), 2009)

DCU at WikipediaMM 2009: Document Expansion from Wikipedia Abstracts. - Jinming Min; Peter Wilkins; Johannes Leveling; Gareth J. F. Jones (CLEF (Working Notes), 2009)

Moving towards Adaptive Search in Digital Libraries. - Udo Kruschwitz; M-Dyaa Albakour; Jinzhong Niu; Johannes Leveling; Nikolaos Nanas; Yunhyong Kim; Dawei Song 001; Maria Fasli; Anne N. De Roeck (NLP4DL/AT4DL, 2009)

A comparison of sub-word indexing methods for information retrieval. - Johannes Leveling (LWA, 2009)

Revamping Question Answering with a Semantic Approach over World Knowledge. - Nuno Cardoso; Iustin Dornescu; Sven Hartrumpf; Johannes Leveling (CLEF (Notebook Papers/LABs/Workshops), 2010)

DCU-TCD@LogCLEF 2010: Re-ranking Document Collections and Query Performance Estimation. - Johannes Leveling; M. Rami Ghorab; Walid Magdy; Gareth J. F. Jones; Vincent Wade (CLEF (Notebook Papers/LABs/Workshops), 2010)

HITS and Misses: Combining BM25 with HITS for Expert Search. - Johannes Leveling; Gareth J. F. Jones (CLEF (Notebook Papers/LABs/Workshops), 2010)

Document Expansion for Text-based Image Retrieval at WikipediaMM 2010. - Jinming Min; Johannes Leveling; Gareth J. F. Jones (CLEF (Notebook Papers/LABs/Workshops), 2010)

Term Conflation and Blind Relevance Feedback for Information Retrieval on Indian Languages. - Johannes Leveling; Debasis Ganguly; Gareth J. F. Jones (FIRE, 2010)

Unnamed locations, underspecified regions, and other linguistic phenomena in geographic annotation of water-based locations. - Johannes Leveling (GIR, 2010)

Exploring Accumulative Query Expansion for Relevance Feedback. - Debasis Ganguly; Johannes Leveling; Gareth J. F. Jones (INEX, 2010)

DCU and ISI@INEX 2010: Adhoc and Data-Centric Tracks. - Debasis Ganguly; Johannes Leveling; Gareth J. F. Jones; Sauparna Palchowdhury; Sukomal Pal; Mandar Mitra (INEX, 2010)

A Road Map for Interoperable Language Resource Metadata. - Christopher Cieri; Khalid Choukri; Nicoletta Calzolari; D. Terence Langendoen; Johannes Leveling; Martha Palmer; Nancy Ide; James Pustejovsky (LREC, 2010)

Building a Domain-specific Document Collection for Evaluating Metadata Effects on Information Retrieval. - Walid Magdy; Jinming Min; Johannes Leveling; Gareth J. F. Jones (LREC, 2010)

DCU's Experiments for the NTCIR-8 IR4QA Task. - Jinming Min; Jie Jiang 002; Johannes Leveling; Gareth J. F. Jones; Andy Way (NTCIR, 2010)

Classifying and filtering blind feedback terms to improve information retrieval effectiveness. - Johannes Leveling; Gareth J. F. Jones (RIAO, 2010)

Document expansion for image retrieval. - Jinming Min; Johannes Leveling; Dong Zhou 001; Gareth J. F. Jones (RIAO, 2010)

Query recovery of short user queries: on query expansion with stopwords. - Johannes Leveling; Gareth J. F. Jones (SIGIR, 2010)

Sub-Word Indexing and Blind Relevance Feedback for English, Bengali, Hindi, and Marathi IR. - Johannes Leveling; Gareth J. F. Jones (ACM Trans. Asian Lang. Inf. Process., 2010)

Utilizing sub-topical structure of documents for information retrieval. - Debasis Ganguly; Johannes Leveling; Gareth J. F. Jones (PIKM@CIKM, 2011)

United we fall, divided we stand: a study of query segmentation and prf for patent prior art search. - Debasis Ganguly; Johannes Leveling; Gareth J. F. Jones (PaIR@CIKM, 2011)

Patent query reduction using pseudo relevance feedback. - Debasis Ganguly; Johannes Leveling; Walid Magdy; Gareth J. F. Jones (CIKM, 2011)

Simulation of Within-Session Query Variations Using a Text Segmentation Approach. - Debasis Ganguly; Johannes Leveling; Gareth J. F. Jones (CLEF, 2011)

LogCLEF 2011 Multilingual Log File Analysis: Language Identification, Query Classification, and Success of a Query. - Giorgio Maria Di Nunzio; Johannes Leveling; Thomas Mandl 001 (CLEF (Notebook Papers/Labs/Workshop), 2011)

Multilingual Log Analysis: LogCLEF. - Giorgio Maria Di Nunzio; Johannes Leveling; Thomas Mandl 001 (ECIR, 2011)

Multilingual Adaptive Search for Digital Libraries. - M. Rami Ghorab; Johannes Leveling; Séamus Lawless; Alexander O'Connor; Dong Zhou 001; Gareth J. F. Jones; Vincent Wade (TPDL, 2011)

Overview of the Personalized and Collaborative Information Retrieval (PIR) Track at FIRE-2011. - Debasis Ganguly; Johannes Leveling; Gareth J. F. Jones (FIRE, 2011)

SMS Normalisation, Retrieval and Out-of-Domain Detection Approaches for SMS-Based FAQ Retrieval. - Deirdre Hogan; Johannes Leveling; Hongyi Wang; Paul Ferguson; Cathal Gurrin (FIRE, 2011)

Personalised multilingual hypertext retrieval: an overview. - Maristella Agosti; Ernesto William De Luca; Séamus Lawless; Johannes Leveling (PMHR@HT, 2011)

Towards evaluation of personalized and collaborative information retrieval. - Debasis Ganguly; Johannes Leveling; Wei Li 054; Gareth J. F. Jones (PMHR@HT, 2011)

LogCLEF: enabling research on multilingual log files. - Johannes Leveling; Giorgio Maria Di Nunzio; Thomas Mandl 001 (PMHR@HT, 2011)

Query Expansion for Language Modeling Using Sentence Similarities. - Debasis Ganguly; Johannes Leveling; Gareth J. F. Jones (IRFC, 2011)

An investigation of decompounding for cross-language patent search. - Johannes Leveling; Walid Magdy; Gareth J. F. Jones (SIGIR, 2011)

PMHR 2011: the first workshop on personalised multilingual hypertext retrieval. - Maristella Agosti; Ernesto William De Luca; Séamus Lawless; Johannes Leveling (SIGIR Forum, 2011)

Challenges for indexing in GIR. - Johannes Leveling (ACM SIGSPATIAL Special, 2011)

Topical Relevance Model. - Debasis Ganguly; Johannes Leveling; Gareth J. F. Jones (AIRS, 2012)

DCU@INEX-2012: Exploring Sentence Retrieval for Tweet Contextualization. - Debasis Ganguly; Johannes Leveling; Gareth J. F. Jones (CLEF (Online Working Notes/Labs/Workshop), 2012)

Cross-Lingual Topical Relevance Models. - Debasis Ganguly; Johannes Leveling; Gareth J. F. Jones (COLING, 2012)

Approximate Sentence Retrieval for Scalable and Efficient Example-Based Machine Translation. - Johannes Leveling; Debasis Ganguly; Sandipan Dandapat; Gareth J. F. Jones (COLING, 2012)

On the Effect of Stopword Removal for SMS-Based FAQ Retrieval. - Johannes Leveling (NLDB, 2012)

Making results fit into 40 characters: a study in document rewriting. - Johannes Leveling; Gareth J. F. Jones (SIGIR, 2012)

Multi-platform image search using tag enrichment. - Jinming Min; Cristover Lopes; Johannes Leveling; Dag Schmidtke; Gareth J. F. Jones (SIGIR, 2012)

DCU@TRECMed 2012: Using adhoc Baselines for Domain-Specific Retrieval. - Johannes Leveling; Lorraine Goeuriot; Liadh Kelly; Gareth J. F. Jones (TREC, 2012)

A Case Study in Decompounding for Bengali Information Retrieval. - Debasis Ganguly; Johannes Leveling; Gareth J. F. Jones (CLEF, 2013)

ShARe/CLEF eHealth Evaluation Lab 2013, Task 3: Information Retrieval to Address Patients' Questions when Reading Clinical Reports. - Lorraine Goeuriot; Gareth J. F. Jones; Liadh Kelly; Johannes Leveling; Allan Hanbury; Henning Müller; Sanna Salanterä; Hanna Suominen; Guido Zuccon (CLEF (Working Notes), 2013)

Overview of the ShARe/CLEF eHealth Evaluation Lab 2013. - Hanna Suominen; Sanna Salanterä; Sumithra Velupillai; Wendy Webber Chapman; Guergana K. Savova; Noemie Elhadad; Sameer Pradhan; Brett R. South; Danielle L. Mowery; Gareth J. F. Jones; Johannes Leveling; Liadh Kelly; et al. (CLEF, 2013)

DCU@Morpheme Extraction Task of FIRE-2012: Rule-based Stemmers for Bengali and Hindi. - Debasis Ganguly; Johannes Leveling; Gareth J. F. Jones (FIRE, 2013)

Monolingual and Crosslingual SMS-based FAQ Retrieval. - Johannes Leveling (FIRE, 2013)

Exploring Domain-Sensitive Features for Extractive Summarization in the Medical Domain. - Dat Tien Nguyen; Johannes Leveling (NLDB, 2013)

Creation of a New Evaluation Benchmark for Information Retrieval Targeting Patient Information Needs. - Lorraine Goeuriot; Liadh Kelly; Gareth J. F. Jones; Guido Zuccon; Hanna Suominen; Allan Hanbury; Henning Müller; Johannes Leveling (EVIA@NTCIR, 2013)

TopicVis: a GUI for topic-based feedback and navigation. - Debasis Ganguly; Manisha Ganguly; Johannes Leveling; Gareth J. F. Jones (SIGIR, 2013)

An LDA-smoothed relevance model for document expansion: a case study for spoken document retrieval. - Debasis Ganguly; Johannes Leveling; Gareth J. F. Jones (SIGIR, 2013)

Interpretation of coordinations, compound generation, and result fusion for query variants. - Johannes Leveling (SIGIR, 2013)

Automatic Prediction of Aesthetics and Interestingness of Text Passages. - Debasis Ganguly; Johannes Leveling; Gareth J. F. Jones (COLING, 2014)

Retrieval of similar chess positions. - Debasis Ganguly; Johannes Leveling; Gareth J. F. Jones (SIGIR, 2014)

An analysis of query difficulty for information retrieval in the medical domain. - Lorraine Goeuriot; Liadh Kelly; Johannes Leveling (SIGIR, 2014)

Porting a Summarizer to the French Language. - Rémi Bois; Johannes Leveling; Lorraine Goeuriot; Gareth J. F. Jones; Liadh Kelly (TALN (2), 2014)

Findings of the 2014 Workshop on Statistical Machine Translation. - Ondrej Bojar; Christian Buck; Christian Federmann; Barry Haddow; Philipp Koehn; Johannes Leveling; Christof Monz; Pavel Pecina; Matt Post; Herve Saint-Amand; Radu Soricut; Lucia Specia; et al. (WMT@ACL, 2014)

Adaptation of machine translation for multilingual information retrieval in the medical domain. - Pavel Pecina; Ondrej Dusek; Lorraine Goeuriot; Jan Hajic; Jaroslava Hlavácová; Gareth J. F. Jones; Liadh Kelly; Johannes Leveling; David Marecek; Michal Novák; Martin Popel; Rudolf Rosa; et al. (Artif. Intell. Medicine, 2014)

Context-driven Dimensionality Reduction for Clustering Text Documents. - Debasis Ganguly; Johannes Leveling; Gareth J. F. Jones (FIRE, 2015)

Tagging of temporal expressions and geological features in scientific articles. - Johannes Leveling (GIR, 2015)

Patient selection for clinical trials based on concept-based retrieval and result filtering and ranking. - Johannes Leveling (TREC, 2017)

An analysis of evaluation campaigns in ad-hoc medical information retrieval: CLEF eHealth 2013 and 2014. - Lorraine Goeuriot; Gareth J. F. Jones; Liadh Kelly; Johannes Leveling; Mihai Lupu; João R. M. Palotti; Guido Zuccon (Inf. Retr. J., 2018)

Evaluation of Document Deduplication Algorithms for Large Text Corpora. - Johannes Leveling; Lennard Helmer; Benny Jörg Stein; Dennis Wegener; Zoha Sheikh; Elanton Fernandes; Hammam Abdelwahab (LOD (1), 2024)

Tokenizer Choice For LLM Training: Negligible or Crucial? - Mehdi Ali; Michael Fromm 001; Klaudia Thellmann; Richard Rutmann; Max Lübbering; Johannes Leveling; Katrin Klug; Jan Ebert; Niclas Doll; Jasper Schulze Buschhoff; Charvi Jain; Alexander Arno Weber; et al. (NAACL-HLT (Findings), 2024)

Teuken-7B-Base & Teuken-7B-Instruct: Towards European LLMs. - Mehdi Ali; Michael Fromm 001; Klaudia Thellmann; Jan Ebert; Alexander Arno Weber; Richard Rutmann; Charvi Jain; Max Lübbering; Daniel Steinigen; Johannes Leveling; Katrin Klug; Jasper Schulze Buschhoff; et al. (CoRR, 2024)

Data Processing for the OpenGPT-X Model Family. - Nicolo' Brandizzi; Hammam Abdelwahab; Anirban Bhowmick; Lennard Helmer; Benny Jörg Stein; Pavel Denisov; Qasid Saleem; Michael Fromm 001; Mehdi Ali; Richard Rutmann; Farzad Naderi; Mohamad Saif Agy; et al. (CoRR, 2024)

Towards Multilingual LLM Evaluation for European Languages. - Klaudia Thellmann; Bernhard Stadler 001; Michael Fromm 001; Jasper Schulze Buschhoff; Alex Jude; Fabio Barth; Johannes Leveling; Nicolas Flores-Herr; Joachim Köhler; René Jäkel; Mehdi Ali (CoRR, 2024)