Panos Alexopoulos

According to our database, Panos Alexopoulos authored at least 43 papers between 2007 and 2017.

Collaborative distances:

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

2017

Modeling, Measuring and Exploiting Concept Drift in the Labour Market Domain.

Panos Alexopoulos, Spyretta Leivaditi

Proceedings of the Joint Proceedings of SEMANTiCS 2017 Workshops co-located with the 13th International Conference on Semantic Systems (SEMANTiCS 2017), 2017

Understanding Knowledge Graphs.

Honghan Wu, Ronald Denaux, Panos Alexopoulos, Yuan Ren, Jeff Z. Pan

Proceedings of the Exploiting Linked Data and Knowledge Graphs in Large Organisations, 2017

Construction of Enterprise Knowledge Graphs (I).

Boris Villazón-Terrazas, Nuria García-Santa, Yuan Ren, Kavitha Srinivas, Mariano Rodriguez-Muro, Panos Alexopoulos, Jeff Z. Pan

Proceedings of the Exploiting Linked Data and Knowledge Graphs in Large Organisations, 2017

Question Answering and Knowledge Graphs.

Alessandro Moschitti, Kateryna Tymoshenko, Panos Alexopoulos, Andrew D. Walker, Massimo Nicosia, Guido Vetere, Alessandro Faraotti, Marco Monti, Jeff Z. Pan, Honghan Wu, Yuting Zhao

Proceedings of the Exploiting Linked Data and Knowledge Graphs in Large Organisations, 2017

Success Stories.

Marco Monti, Fernanda Perego, Yuting Zhao, Guido Vetere, José Manuél Gómez-Pérez, Panos Alexopoulos, Hai H. Nguyen, Gemma Webster, Boris Villazón-Terrazas, Nuria García-Santa, Jeff Z. Pan

Proceedings of the Exploiting Linked Data and Knowledge Graphs in Large Organisations, 2017

Knowledge Architecture for Organisations.

Ronald Denaux, Yuan Ren, Boris Villazón-Terrazas, Panos Alexopoulos, Alessandro Faraotti, Honghan Wu

Proceedings of the Exploiting Linked Data and Knowledge Graphs in Large Organisations, 2017

Construction of Enterprise Knowledge Graphs (II).

Panos Alexopoulos, Yuting Zhao, Jeff Z. Pan, Man Zhu

Proceedings of the Exploiting Linked Data and Knowledge Graphs in Large Organisations, 2017

2016

Towards a Meta-Reasoning Framework for Reasoning about Vagueness in OWL Ontologies.

Nophadol Jekjantuk, Jeff Z. Pan, Panos Alexopoulos

Proceedings of the Tenth IEEE International Conference on Semantic Computing, 2016

2015

Creating domain-specific semantic lexicons for aspect-based sentiment analysis.

Panos Alexopoulos, Manolis Wallace

Proceedings of the 10th International Workshop on Semantic and Social Media Adaptation and Personalization, 2015

Answer Type Identification for Question Answering - Supervised Learning of Dependency Graph Patterns from Natural Language Questions.

Andrew D. Walker, Panos Alexopoulos, Andrew J. Starkey, Jeff Z. Pan, José Manuél Gómez-Pérez, Advaith Siddharthan

Proceedings of the Semantic Technology - 5th Joint International Conference, 2015

Troubleshooting and Optimizing Named Entity Resolution Systems in the Industry.

Panos Alexopoulos, Ronald Denaux, José Manuél Gómez-Pérez

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

2014

A Semantic Framework for Harvesting Vague Enterprise Knowledge from Microposts.

Panos Alexopoulos, John Pavlopoulos, Phivos Mylonas

Int. J. Artif. Intell. Tools, 2014

Towards Ontology-Based Question Answering in Vague Domains.

Panos Alexopoulos, Andrew D. Walker, José Manuél Gómez-Pérez, Manolis Wallace

Proceedings of the 9th International Workshop on Semantic and Social Media Adaptation and Personalization, 2014

The PARLANCE mobile application for interactive search in English and Mandarin.

Helen F. Hastie, Marie-Aude Aufaure, Panos Alexopoulos, Hugues Bouchard, Catherine Breslin, Heriberto Cuayáhuitl, Nina Dethlefs, Milica Gasic, James Henderson, Oliver Lemon, Xingkun Liu, Peter Mika, Nesrine Ben Mustapha, Tim Potter, Verena Rieser, Blaise Thomson, Pirros Tsiakoulis, Yves Vanrompay, Boris Villazón-Terrazas, Majid Yazdani, Steve J. Young, Yanchao Yu

Proceedings of the SIGDIAL 2014 Conference, 2014

Towards Vagueness-Oriented Quality Assessment of Ontologies.

Panos Alexopoulos, Phivos Mylonas

Proceedings of the Artificial Intelligence: Methods and Applications, 2014

A Metaontology for Annotating Ontology Entities with Vagueness Descriptions.

Panos Alexopoulos, Silvio Peroni, Boris Villazón-Terrazas, Jeff Z. Pan, José Manuél Gómez-Pérez

Proceedings of the Uncertainty Reasoning for the Semantic Web III, 2014

Annotating Ontologies with Descriptions of Vagueness.

Panos Alexopoulos, Silvio Peroni, Boris Villazón-Terrazas, Jeff Z. Pan

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

A Vague Sense Classifier for Detecting Vague Definitions in Ontologies.

Panos Alexopoulos, John Pavlopoulos

Proceedings of the 14th Conference of the European Chapter of the Association for Computational Linguistics, 2014

2013

Towards Learning Personalized Semantic Relevance Paths in Dialogue Systems.

Panos Alexopoulos, Manolis Wallace

Proceedings of the 8th International Workshop on Semantic and Social Media Adaptation and Personalization, 2013

Demonstration of the PARLANCE system: a data-driven incremental, spoken dialogue system for interactive search.

Helen F. Hastie, Marie-Aude Aufaure, Panos Alexopoulos, Heriberto Cuayáhuitl, Nina Dethlefs, Milica Gasic, James Henderson, Oliver Lemon, Xingkun Liu, Peter Mika, Nesrine Ben Mustapha, Verena Rieser, Blaise Thomson, Pirros Tsiakoulis, Yves Vanrompay

Proceedings of the SIGDIAL 2013 Conference, 2013

Towards Vagueness-Aware Semantic Data.

Panos Alexopoulos, Boris Villazón-Terrazas, Jeff Z. Pan

Proceedings of the 9th International Workshop on Uncertainty Reasoning for the Semantic Web co-located with the 12th International Semantic Web Conference (ISWC 2013), 2013

Interactive acquisition of fuzzy ontological knowledge indialogue systems.

Panos Alexopoulos, José Manuél Gómez-Pérez

Proceedings of the 7th International Conference on Knowledge Capture, 2013

Knowledge Tagger: Customizable Semantic Entity Resolution using Ontological Evidence.

Panos Alexopoulos, Boris Villazón-Terrazas, José Manuél Gómez-Pérez

Proceedings of the I-SEMANTICS 2013 Posters & Demonstrations Track, 2013

Semantic Hyperlocal Search for Parlance Mobile Spoken Dialogue System.

Panos Alexopoulos, Marie-Aude Aufaure, Nesrine Ben Mustapha, Hugues Bouchard, José Manuél Gómez-Pérez, James Henderson, Beibei Hu, Joel Lang, Peter Mika, Yves Vanrompay

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

2012

IKARUS-Onto: a methodology to develop fuzzy ontologies from crisp ones.

Panos Alexopoulos, Manolis Wallace, Konstantinos Kafentzis, Dimitris Askounis

Knowl. Inf. Syst., 2012

Semi-Automatic Generation of Quizzes and Learning Artifacts from Linked Data.

Guillermo Alvaro Rey, Irene Celino, Mariana Damova, Danica Damljanovic, Ning Li, Panos Alexopoulos, Vladan Devedzic

Proceedings of the 2nd International Workshop on Learning and Education with the Web of Data, 2012

Improving Automatic Semantic Tag Recommendation through Fuzzy Ontologies.

Panos Alexopoulos, Manolis Wallace

Proceedings of the Seventh International Workshop on Semantic and Social Media Adaptation and Personalization, 2012

Identifying Conceptual Layers in the Ontology Development Process.

Manolis Wallace, Panos Alexopoulos, Phivos Mylonas

Proceedings of the Artificial Intelligence: Theories and Applications, 2012

Learning Vague Knowledge from Socially Generated Content in an Enterprise Framework.

Panos Alexopoulos, John Pavlopoulos, Phivos Mylonas

Proceedings of the Artificial Intelligence Applications and Innovations, 2012

Scenario-Driven Selection and Exploitation of Semantic Data for Optimal Named Entity Disambiguation.

Panos Alexopoulos, Carlos Ruiz, José Manuél Gómez-Pérez

Proceedings of the Workshop on Semantic Web and Information Extraction (SWAIE 2012), 2012

2011

Supporting User Roles in Ontology Fuzzification.

Manolis Wallace, Panos Alexopoulos, Ioannis Papafragkos, Costas Vassilakis

Proceedings of the Sixth International Workshop on Semantic Media Adaptation and Personalization, 2011

Exploiting ontological relations for automatic semantic tag recommendation.

Panos Alexopoulos, John Pavlopoulos, Manolis Wallace, Konstantinos Kafentzis

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

2010

Semantic-Enabled Information Access: An Application in the Electricity Market Domain.

Panos Alexopoulos, Manolis Wallace, Konstantinos Kafentzis, Christoforos Zoumas, Dimitris Askounis

Proceedings of the Semantics in Adaptive and Personalized Services: Methods, 2010

Towards a Framework for Trusting the Automated Learning of Social Ontologies.

Konstantinos Kotis, Panos Alexopoulos, Andreas Papasalouros

Proceedings of the Knowledge Science, 2010

Facilitating Dialogue - Using Semantic Web Technology for eParticipation.

George Anadiotis, Panos Alexopoulos, Konstantinos Mpaslis, Aristotelis Zosakis, Konstantinos Kafentzis, Konstantinos Kotis

Proceedings of the Semantic Web: Research and Applications, 2010

2009

A Fuzzy Knowledge-based Decision Support System for Tender Call Evaluation.

Panos Alexopoulos, Manolis Wallace, Kostas Kafentzis, Aristodimos Thomopoulos

Proceedings of the Artificial Intelligence Applications and Innovations III, 2009

ELMO: An Interoperability Ontology for the Electricity Market.

Panos Alexopoulos, Kostas Kafentzis, Christoforos Zoumas

Proceedings of the ICE-B 2009, 2009

2008

A negotiation strategy for the Temporal Resource Reallocation Problem in multi-agent systems.

Panos Alexopoulos, Manolis Wallace

Int. J. Internet Protoc. Technol., 2008

A Fuzzy Ontology Framework for Customized Assessment of Semantic Similarity.

Panos Alexopoulos, Manolis Wallace, Konstantinos Kafentzis, Angelos Michalas

Proceedings of the Third International Workshop on Semantic Media Adaptation and Personalization, 2008

2007

Semantics Enabled Problem Based Brokering of Organizational Knowledge.

Kostas Kafentzis, Manolis Wallace, Panos Georgolios, Panos Alexopoulos, Gregoris Mentzas

Proceedings of the Emerging Artificial Intelligence Applications in Computer Engineering, 2007

Resource sharing in multi-agent systems through multi-stage negotiation.

Panos Alexopoulos

Proceedings of the Artificial Intelligence and Innovations 2007: from Theory to Applications, 2007

Towards a Generic Fraud Ontology in e-Government.

Panos Alexopoulos, Kostas Kafentzis, Xanthi Benetou, Tassos Tagaris, Panos Georgolios

Proceedings of the ICE-B 2007, 2007

An Adaptive Knowledge-Based Approach for Detecting Fraud across Different e-Government Domains.

Panos Alexopoulos, Kostas Kafentzis, Nicholas Athanassiadis, Xanthi Benetou, Tassos Tagaris, Carol Jollie, Panos Georgolios

Proceedings of the E-business and Telecommunications - 4th International Conference, 2007