Efstratios Kontopoulos

According to our database, Efstratios Kontopoulos authored at least 66 papers between 2005 and 2024.

Collaborative distances:

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

2024

Delving into Causal Discovery in Health-Related Quality of Life Questionnaires.

Maria Ganopoulou, Efstratios Kontopoulos, Konstantinos Fokianos, Dimitris Koparanis, Lefteris Angelis, Ioannis K. Paparrizos, Theodoros Moysiadis

Algorithms, April, 2024

Causal discovery on Health-related Quality of Life of cancer patients.

Maria Ganopoulou, Efstratios Kontopoulos, Konstantinos Fokianos, Lefteris Angelis, Ioannis Kotsianidis, Theodoros Moysiadis

Proceedings of the 15th International Conference on Semantic Web Applications and Tools for Health Care and Life Sciences, 2024

Mapping the Current Status of CTI Knowledge Graphs through a Bibliometric Analysis.

Maria Papoutsoglou, Georgios Meditskos, Nick Bassiliades, Efstratios Kontopoulos, Stefanos Vrochidis

Proceedings of the 13th Hellenic Conference on Artificial Intelligence, 2024

2022

A Canonical Evidence-based Approach for Semantic Interoperability in Cross-border and Cross-domain e-Government Services.

Thashmee Karunarathne, Efstratios Kontopoulos, Ioannis Konstantinidis, Ana Rosa Guzmán Carbonell

Proceedings of the 15th International Conference on Theory and Practice of Electronic Governance, 2022

Semantic Data Integration for Monitoring Operators' Ergonomics in an Automotive Manufacturing Setting.

Efstratios Kontopoulos, Gerasimos Arvanitis, Alessandro Zanella, Panagiotis Mitzias, Evangelia I. Zacharaki, Pavlos Kosmides, Nikos Piperigkos, Konstantinos Moustakas, Aris S. Lalos

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

An Affective Multi-modal Conversational Agent for Non Intrusive Data Collection from Patients with Brain Diseases.

Chloe Chira, Evangelos Mathioudis, Christina Michailidou, Pantelis Agathangelou, Georgia Christodoulou, Ioannis Katakis, Efstratios Kontopoulos, Konstantinos Avgerinakis

Proceedings of the Chatbot Research and Design - 6th International Workshop, 2022

2021

EUCISE-OWL: An ontology-based representation of the Common Information Sharing Environment (CISE) for the maritime domain.

Marina Riga, Efstratios Kontopoulos, Konstantinos Ioannidis, Spyridon Kintzios, Stefanos Vrochidis, Ioannis Kompatsiaris

Semantic Web, 2021

Expressing Significant Others by Gravitation in the Ontology of Greek Mythology.

Juan-Antonio Pastor-Sánchez, Sándor Darányi, Efstratios Kontopoulos

Proceedings of the Metadata and Semantic Research - 15th International Conference, 2021

A Semantic Technologies Toolkit for Bridging Early Diagnosis and Treatment in Brain Diseases: Report from the Ongoing EU-Funded Research Project ALAMEDA.

Christoniki Maga-Nteve, Efstratios Kontopoulos, Nikos Tsolakis, Ioannis Katakis, Evangelos Mathioudis, Panagiotis Mitzias, Konstantinos Avgerinakis, Georgios Meditskos, Anastasios Karakostas, Stefanos Vrochidis, Ioannis Kompatsiaris

Proceedings of the Metadata and Semantic Research - 15th International Conference, 2021

2020

Converness: Ontology-driven conversational awareness and context understanding in multimodal dialogue systems.

Georgios Meditskos, Efstratios Kontopoulos, Stefanos Vrochidis, Ioannis Kompatsiaris

Expert Syst. J. Knowl. Eng., 2020

2019

SemaDrift: A hybrid method and visual tools to measure semantic drift in ontologies.

Thanos G. Stavropoulos, Stelios Andreadis, Efstratios Kontopoulos, Ioannis Kompatsiaris

J. Web Semant., 2019

Deploying Semantic Web Technologies for Information Fusion of Terrorism-related Content and Threat Detection on the Web.

Panagiotis Mitzias, Efstratios Kontopoulos, James Staite, Tony Day, George Kalpakis, Theodora Tsikrika, Helen Gibson, Stefanos Vrochidis, Babak Akhgar, Ioannis Kompatsiaris

Proceedings of the 2019 IEEE/WIC/ACM International Conference on Web Intelligence, 2019

2018

Dependency modelling for inconsistency management in Digital Preservation - The PERICLES approach.

Nikolaos Lagos, Marina Riga, Panagiotis Mitzias, Jean-Yves Vion-Dury, Efstratios Kontopoulos, Simon Waddington, Pip Laurenson, Georgios Meditskos, Ioannis Kompatsiaris

Inf. Syst. Frontiers, 2018

The Backbone of Decision Support Systems: The Sensor to Decision Chain.

Philipp Hertweck, Jürgen Moßgraber, Efstratios Kontopoulos, Panagiotis Mitzias, Tobias Hellmund, Anastasios Karakostas, Désirée Hilbring, Hylke van der Schaaf, Stefanos Vrochidis, Jan-Wilhelm Blume, Ioannis Kompatsiaris

Int. J. Inf. Syst. Crisis Response Manag., 2018

PaaSport semantic model: An ontology for a platform-as-a-service semantically interoperable marketplace.

Nick Bassiliades, Moisis Symeonidis, Panagiotis Gouvas, Efstratios Kontopoulos, Georgios Meditskos, Ioannis P. Vlahavas

Data Knowl. Eng., 2018

Empowering Persons with Deafblindness: Designing an Intelligent Assistive Wearable in the SUITCEYES Project.

Oliver Korn, Raymond J. Holt, Efstratios Kontopoulos, Astrid M. L. Kappers, Nils-Krister Persson, Nasrine Olson

Proceedings of the 11th PErvasive Technologies Related to Assistive Environments Conference, 2018

The sensor to decision chain in crisis management.

Jürgen Moßgraber, Désirée Hilbring, Hylke van der Schaaf, Philipp Hertweck, Efstratios Kontopoulos, Panagiotis Mitzias, Ioannis Kompatsiaris, Stefanos Vrochidis, Anastasios Karakostas

Proceedings of the 15th International Conference on Information Systems for Crisis Response and Management, 2018

Ontology-based Representation of Crisis Management Procedures for Climate Events.

Efstratios Kontopoulos, Panagiotis Mitzias, Jürgen Moßgraber, Philipp Hertweck, Hylke van der Schaaf, Désirée Hilbring, Francesca Lombardo, Daniele Norbiato, Michele Ferri, Anastasios Karakostas, Stefanos Vrochidis, Ioannis Kompatsiaris

Proceedings of the 15th International Conference on Information Systems for Crisis Response and Management, 2018

An Ontology-Based Decision Support Framework for Personalized Quality of Life Recommendations.

Marina Riga, Efstratios Kontopoulos, Kostas D. Karatzas, Stefanos Vrochidis, Ioannis Kompatsiaris

Proceedings of the Decision Support Systems VIII: Sustainable Data-Driven and Evidence-Based Decision Support, 2018

2017

A semantic recommendation algorithm for the PaaSport platform-as-a-service marketplace.

Nick Bassiliades, Moisis Symeonidis, Georgios Meditskos, Efstratios Kontopoulos, Panagiotis Gouvas, Ioannis P. Vlahavas

Expert Syst. Appl., 2017

PROPheT - Ontology Population and Semantic Enrichment from Linked Data Sources.

Marina Riga, Panagiotis Mitzias, Efstratios Kontopoulos, Ioannis Kompatsiaris

Proceedings of the Data Analytics and Management in Data Intensive Domains, 2017

A Domain-Agnostic Tool for Scalable Ontology Population and Enrichment from Diverse Linked Data Sources.

Efstratios Kontopoulos, Panagiotis Mitzias, Marina Riga, Ioannis Kompatsiaris

Proceedings of the Selected Papers of the XIX International Conference on Data Analytics and Management in Data Intensive Domains (DAMDID/RCDL 2017), 2017

A Study of Intensional Concept Drift in Trending DBpedia Concepts.

Albert Meroño-Peñuela, Efstratios Kontopoulos, Sándor Darányi, Yiannis Kompatsiaris

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

Cross-domain Semantic Drift Measurement in Ontologies Using the SemaDrift Tool and Metrics.

Thanos G. Stavropoulos, Efstratios Kontopoulos, Albert Meroño-Peñuela, Stavros Tachos, Stelios Andreadis, Yiannis Kompatsiaris

Proceedings of the Joint proceedings of the 3rd Workshop on Managing the Evolution and Preservation of the Data Web (MEPDaW 2017) and the 4th Workshop on Linked Data Quality (LDQ 2017) co-located with 14th European Semantic Web Conference (ESWC 2017), 2017

2016

A smart university platform for building energy monitoring and savings.

Thanos G. Stavropoulos, George Koutitas, Dimitris Vrakas, Efstratios Kontopoulos, Ioannis P. Vlahavas

J. Ambient Intell. Smart Environ., 2016

Ontology-Driven Context Interpretation and Conflict Resolution in Dialogue-Based Home Care Assistance.

Georgios Meditskos, Efstratios Kontopoulos, Stefanos Vrochidis, Yiannis Kompatsiaris

Proceedings of the 9th International Conference Semantic Web Applications and Tools for Life Sciences, 2016

Studying the Cohesion Evolution of Genes Related to Chronic Lymphocytic Leukemia Using Semantic Similarity in Gene Ontology and Self-Organizing Maps.

Efstratios Kontopoulos, Theodoros Moysiadis, Maria Tsagiopoulou, Sándor Darányi, Peter Wittek, Nikos Papakonstantinou, Stavroula Ntoufa, Georgios Meditskos, Yiannis Kompatsiaris, Kostas Stamatopoulos

Proceedings of the 9th International Conference Semantic Web Applications and Tools for Life Sciences, 2016

User-Driven Ontology Population from Linked Data Sources.

Panagiotis Mitzias, Marina Riga, Efstratios Kontopoulos, Thanos G. Stavropoulos, Stelios Andreadis, Georgios Meditskos, Ioannis Kompatsiaris

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

A Framework for Measuring Semantic Drift in Ontologies.

Thanos G. Stavropoulos, Stelios Andreadis, Marina Riga, Efstratios Kontopoulos, Panagiotis Mitzias, Ioannis Kompatsiaris

Proceedings of the Joint Proceedings of the Posters and Demos Track of the 12th International Conference on Semantic Systems, 2016

A Physical Metaphor to Study Semantic Drift.

Sándor Darányi, Peter Wittek, Konstantinos Konstantinidis, Symeon Papadopoulos, Efstratios Kontopoulos

Proceedings of the Joint Proceedings of the Posters and Demos Track of the 12th International Conference on Semantic Systems, 2016

Ontology-based representation of context of use in digital preservation.

Efstratios Kontopoulos, Marina Riga, Panagiotis Mitzias, Stelios Andreadis, Thanos G. Stavropoulos, Nikolaos Lagos, Jean-Yves Vion-Dury, Georgios Meditskos, Patrícia Falcão, Pip Laurenson, Yiannis Kompatsiaris

Proceedings of the 1st Workshop on Humanities in the Semantic Web co-located with 13th ESWC Conference 2016 (ESWC 2016), 2016

The SemaDrift Protégé Plugin to Measure Semantic Drift in Ontologies: Lessons Learned.

Thanos G. Stavropoulos, Stelios Andreadis, Efstratios Kontopoulos, Marina Riga, Panagiotis Mitzias, Ioannis Kompatsiaris

Proceedings of the Knowledge Engineering and Knowledge Management, 2016

SemaDrift: A Protégé Plugin for Measuring Semantic Drift in Ontologies.

Thanos G. Stavropoulos, Stelios Andreadis, Efstratios Kontopoulos, Marina Riga, Panagiotis Mitzias, Yiannis Kompatsiaris

Proceedings of the 1st Workshop on Detection, 2016

2015

Semantic web technologies in pervasive computing: A survey and research roadmap.

Juan Ye, Stamatia Dasiopoulou, Graeme Stevenson, Georgios Meditskos, Efstratios Kontopoulos, Ioannis Kompatsiaris, Simon Dobson

Pervasive Mob. Comput., 2015

Rule-based approaches for energy savings in an ambient intelligence environment.

Thanos G. Stavropoulos, Efstratios Kontopoulos, Nick Bassiliades, John Argyriou, Antonis Bikakis, Dimitris Vrakas, Ioannis P. Vlahavas

Pervasive Mob. Comput., 2015

Multi-sensing Monitoring and Knowledge-driven Analysis for Dementia Assessment.

Thanos G. Stavropoulos, Georgios Meditskos, Efstratios Kontopoulos, Ioannis Kompatsiaris

Int. J. E Health Medical Commun., 2015

An Ontology Design Pattern for Digital Video.

Panagiotis Mitzias, Marina Riga, Simon Waddington, Efstratios Kontopoulos, Georgios Meditskos, Pip Laurenson, Ioannis Kompatsiaris

Proceedings of the 6th Workshop on Ontology and Semantic Web Patterns (WOP 2015) co-located with the 14th International Semantic Web Conference (ISWC 2015), 2015

ReDef: Context-aware Recognition of Interleaved Activities using OWL 2 and Defeasible Reasoning.

Georgios Meditskos, Efstratios Kontopoulos, Ioannis Kompatsiaris

Proceedings of the Joint Proceedings of the 1st Joint International Workshop on Semantic Sensor Networks and Terra Cognita (SSN-TC 2015) and the 4th International Workshop on Ordering and Reasoning (OrdRing 2015) co-located with the 14th International Semantic Web Conference (ISWC 2015), Bethlehem, Pennsylvania, United States, October 11th - and, 2015

Monitoring term drift based on semantic consistency in an evolving vector field.

Peter Wittek, Sándor Darányi, Efstratios Kontopoulos, Theodoros Moysiadis, Ioannis Kompatsiaris

Proceedings of the 2015 International Joint Conference on Neural Networks, 2015

Designing for Inconsistency - The Dependency-Based PERICLES Approach.

Jean-Yves Vion-Dury, Nikolaos Lagos, Efstratios Kontopoulos, Marina Riga, Panagiotis Mitzias, Georgios Meditskos, Simon Waddington, Pip Laurenson, Ioannis Kompatsiaris

Proceedings of the New Trends in Databases and Information Systems, 2015

2014

Knowledge-Driven Activity Recognition and Segmentation Using Context Connections.

Georgios Meditskos, Efstratios Kontopoulos, Ioannis Kompatsiaris

Proceedings of the Semantic Web - ISWC 2014, 2014

The DemaWare service-oriented AAL platform for people with dementia.

Thanos G. Stavropoulos, Georgios Meditskos, Efstratios Kontopoulos, Ioannis Kompatsiaris

Proceedings of the 3rd International Workshop on Artificial Intelligence and Assistive Medicine co-located with the 21th European Conference on Artificial Intelligence (ECAI 2014), 2014

A Multi-agent Coordination Framework for Smart Building Energy Management.

Thanos G. Stavropoulos, Emmanouil S. Rigas, Efstratios Kontopoulos, Nick Bassiliades, Ioannis P. Vlahavas

Proceedings of the 25th International Workshop on Database and Expert Systems Applications, 2014

2013

Ontology-based sentiment analysis of twitter posts.

Efstratios Kontopoulos, Christos Berberidis, Theologos Dergiades, Nick Bassiliades

Expert Syst. Appl., 2013

2012

Semantically-enhanced authoring of defeasible logic rule bases in the semantic web.

Efstratios Kontopoulos, Thetida Zetta, Nick Bassiliades

Proceedings of the 2nd International Conference on Web Intelligence, Mining and Semantics, 2012

2011

Visualizing Semantic Web proofs of defeasible logic in the DR-DEVICE system.

Efstratios Kontopoulos, Nick Bassiliades, Grigoris Antoniou

Knowl. Based Syst., 2011

A Modal Defeasible Reasoner of Deontic Logic for the Semantic Web.

Efstratios Kontopoulos, Nick Bassiliades, Guido Governatori, Grigoris Antoniou

Int. J. Semantic Web Inf. Syst., 2011

2010

Διαχείριση βάσεων γνώσης αναιρέσιμης λογικής στο σημασιολογικό ιστό

Efstratios Kontopoulos

PhD thesis, 2010

Trusted Reasoning Services for Semantic Web Agents.

Kalliopi Kravari, Efstratios Kontopoulos, Nick Bassiliades

Informatica (Slovenia), 2010

EMERALD: A Multi-Agent System for Knowledge-Based Reasoning Interoperability in the Semantic Web.

Kalliopi Kravari, Efstratios Kontopoulos, Nick Bassiliades

Proceedings of the Artificial Intelligence: Theories, 2010

Deploying a Semantically-Enabled Content Management System in a State University.

Maria Befa, Efstratios Kontopoulos, Nick Bassiliades, Christos Berberidis, Ioannis P. Vlahavas

Proceedings of the Electronic Government and the Information Systems Perspective, 2010

2009

OntoLife: an Ontology for Semantically Managing Personal Information.

Eleni Kargioti, Efstratios Kontopoulos, Nick Bassiliades

Proceedings of the Artificial Intelligence Applications and Innovations III, 2009

Visualizing RDF Documents.

Aris Athanassiades, Efstratios Kontopoulos, Nick Bassiliades

Proceedings of the Artificial Intelligence Applications and Innovations III, 2009

A Trusted Defeasible Reasoning Service for Brokering Agents in the Semantic Web.

Kalliopi Kravari, Efstratios Kontopoulos, Nick Bassiliades

Proceedings of the Intelligent Distributed Computing III, Proceedings of the 3rd International Symposium on Intelligent Distributed Computing, 2009

Towards a Knowledge-Based Framework for Agents Interacting in the Semantic Web.

Kalliopi Kravari, Efstratios Kontopoulos, Nick Bassiliades

Proceedings of the 2009 IEEE/WIC/ACM International Conference on Intelligent Agent Technology, 2009

2008

Visual Modeling of Defeasible Logic Rules with Dr-VisMO.

Efstratios Kontopoulos, Nick Bassiliades, Grigoris Antoniou, Anna Seridou

Int. J. Artif. Intell. Tools, 2008

An ontology-based planning system for e-course generation.

Efstratios Kontopoulos, Dimitris Vrakas, Fotis Kokkoras, Nick Bassiliades, Ioannis P. Vlahavas

Expert Syst. Appl., 2008

Deploying defeasible logic rule bases for the semantic web.

Efstratios Kontopoulos, Nick Bassiliades, Grigoris Antoniou

Data Knowl. Eng., 2008

Visualization of Proofs in Defeasible Logic.

Ioannis Avguleas, Katerina Gkirtzou, Sofia Triantafilou, Antonis Bikakis, Grigoris Antoniou, Efstratios Kontopoulos, Nick Bassiliades

Proceedings of the Rule Representation, 2008

Extending a Defeasible Reasoner with Modal and Deontic Logic Operators.

Efstratios Kontopoulos, Nick Bassiliades, Guido Governatori, Grigoris Antoniou

Proceedings of the 2008 IEEE/WIC/ACM International Conference on Web Intelligence and International Conference on Intelligent Agent Technology, 2008

2007

A Visualization Algorithm for Defeasible Logic Rule Bases over RDF Data.

Efstratios Kontopoulos, Nick Bassiliades, Grigoris Antoniou

Proceedings of the Web Reasoning and Rule Systems, First International Conference, 2007

Visual Stratification of Defeasible Logic Rule Bases.

Efstratios Kontopoulos, Nick Bassiliades, Grigoris Antoniou

Proceedings of the 19th IEEE International Conference on Tools with Artificial Intelligence (ICTAI 2007), 2007

2006

Graphical Representation of Defeasible Logic Rules Using Digraphs.

Efstratios Kontopoulos, Nick Bassiliades

Proceedings of the Advances in Artificial Intelligence, 4th Helenic Conference on AI, 2006

Visualizing Defeasible Logic Rules for the Semantic Web.

Efstratios Kontopoulos, Nick Bassiliades, Grigoris Antoniou

Proceedings of the Semantic Web, 2006

2005

A Visual Environment for Developing Defeasible Rule Bases for the Semantic Web.

Nick Bassiliades, Efstratios Kontopoulos, Grigoris Antoniou

Proceedings of the Rules and Rule Markup Languages for the Semantic Web, 2005

A Graphical Rule Authoring Tool for Defeasible Reasoning in the Semantic Web.

Nick Bassiliades, Efstratios Kontopoulos, Grigoris Antoniou, Ioannis P. Vlahavas

Proceedings of the Advances in Informatics, 2005