Giorgos B. Stamou

90 papers A* 3A 3B 4C 6Misc 1Journal 25Unranked 43
YearRankTypeTitle / Venue / Authors
2017 — conf
Ontological Query Answering over Semantic Data.
RW
Giorgos B. Stamou, Alexandros Chortaras
2016 A* conf
Efficient Query Answering over Expressive Inconsistent Description Logics.
IJCAI
Eleni Tsalapati, Giorgos Stoilos, Giorgos B. Stamou, George Koletsos
2016 — conf
Reformulating Ontological Queries Using Materialised Rewritings.
WIMS
Alexandros Chortaras, Bernardo Cuenca Grau, Giorgos B. Stamou, Giorgos Stoilos
2015 — ed.
Informal Proceedings of the 4th International Workshop on OWL Reasoner Evaluation (ORE-2015) co-located with the 28th International Workshop on Description Logics (DL 2015), Athens, Greece, June 6, 2015.
ORE
Michel Dumontier, Birte Glimm, Rafael S. Gonçalves, Matthew Horridge, Ernesto Jiménez-Ruiz, Nicolas Matentzoglu, Bijan Parsia, Giorgos B. Stamou, Giorgos Stoilos
2015 A* conf
Lower and Upper Bounds for SPARQL Queries over OWL Ontologies.
AAAI
Birte Glimm, Yevgeny Kazakov, Ilianna Kollia, Giorgos B. Stamou
2015 — conf
Lower and Upper Bounds for SPARQL Queries over OWL Ontologies.
Description Logics
Birte Glimm, Yevgeny Kazakov, Ilianna Kollia, Giorgos B. Stamou
2015 J jnl
Optimising resolution-based rewriting algorithms for OWL ontologies.
J. Web Semant.
Despoina Trivela, Giorgos Stoilos, Alexandros Chortaras, Giorgos B. Stamou
2015 — conf
Query Rewriting in Horn-SHIQ.
Description Logics
Despoina Trivela, Giorgos Stoilos, Alexandros Chortaras, Giorgos B. Stamou
2014 — conf
Hybrid Query Answering Over DL Ontologies.
Description Logics
Giorgos Stoilos, Giorgos B. Stamou
2014 A conf
Hybrid Query Answering Over OWL Ontologies.
ECAI
Giorgos Stoilos, Giorgos B. Stamou
2014 — conf
OWL Query Answering Based on Query Extension.
OWLED
Birte Glimm, Yevgeny Kazakov, Ilianna Kollia, Giorgos B. Stamou
2014 J jnl
Query Extensions and Incremental Query Rewriting for OWL 2 QL Ontologies.
J. Data Semant.
Tassos Venetis, Giorgos Stoilos, Giorgos B. Stamou
2014 J jnl
Query rewriting under query refinements.
Knowl. Based Syst.
Tassos Venetis, Giorgos Stoilos, Giorgos B. Stamou
2014 — ed.
Reasoning Web. Reasoning on the Web in the Big Data Era - 10th International Summer School 2014, Athens, Greece, September 8-13, 2014. Proceedings
Reasoning Web
Manolis Koubarakis, Giorgos B. Stamou, Giorgos Stoilos, Ian Horrocks, Phokion G. Kolaitis, Georg Lausen, Gerhard Weikum
2014 J jnl
Reasoning with fuzzy extensions of OWL and OWL 2.
Knowl. Inf. Syst.
Giorgos Stoilos, Giorgos B. Stamou
2013 — conf
Optimising Resolution-Based Rewriting Algorithms for DL Ontologies.
Description Logics
Despoina Trivela, Giorgos Stoilos, Alexandros Chortaras, Giorgos B. Stamou
2013 — conf
Query Rewriting Under Ontology Evolution.
Description Logics
Eleni Tsalapati, Giorgos Stoilos, Giorgos B. Stamou, George Koletsos
2013 — conf
Storing and Querying Fuzzy Knowledge in the Semantic Web Using FiRE.
URSW (LNCS Vol.)
Nikos Simou, Giorgos Stoilos, Giorgos B. Stamou
2013 — conf
Using the TBox to Optimise SPARQL Queries.
Description Logics
Birte Glimm, Yevgeny Kazakov, Ilianna Kollia, Giorgos B. Stamou
2012 J jnl
A systemic approach for effective semantic access to cultural content.
Semantic Web
Ilianna Kollia, Vassilis Tzouvaras, Nasos Drosopoulos, Giorgos B. Stamou
2012 — conf
Incremental Query Rewriting for OWL 2 QL.
Description Logics
Tassos Venetis, Giorgos Stoilos, Giorgos B. Stamou
2012 — conf
Query Rewriting under Ontology Contraction.
RR
Eleni Tsalapati, Giorgos Stoilos, Giorgos B. Stamou, George Koletsos
2012 — conf
Semantic Query Answering in Digital Libraries.
SETN
Ilianna Kollia, Kostas Rapantzikos, Giorgos B. Stamou, Andreas Stafylopatis
2012 J jnl
Tractable reasoning with vague knowledge using fuzzy
J. Intell. Inf. Syst.
Theofilos P. Mailis, Giorgos Stoilos, Nikos Simou, Giorgos B. Stamou, Stefanos D. Kollias
2011 — conf
Goal-oriented Query Rewriting for OWL 2 QL.
Description Logics
Alexandros Chortaras, Despoina Trivela, Giorgos B. Stamou
2011 A conf
Optimized Query Rewriting for OWL 2 QL.
CADE
Alexandros Chortaras, Despoina Trivela, Giorgos B. Stamou
2011 J jnl
Reasoning with Very Expressive Fuzzy Description Logics
CoRR
Ian Horrocks, Jeff Z. Pan, Giorgos B. Stamou, Giorgos Stoilos, Vassilis Tzouvaras
2011 — ch.
Semantic Representation of Multimedia Content.
Knowledge-Driven Multimedia Information Extraction and Ontology Evolution
Kalliopi Dalakleidi, Stamatia Dasiopoulou, Giorgos Stoilos, Vassilis Tzouvaras, Giorgos B. Stamou, Yiannis Kompatsiaris
2010 J jnl
Expressive reasoning with horn rules and fuzzy description logics.
Knowl. Inf. Syst.
Theofilos P. Mailis, Giorgos Stoilos, Giorgos B. Stamou
2010 J jnl
Fuzzy extensions of OWL: Logical properties and reduction to fuzzy description logics.
Int. J. Approx. Reason.
Giorgos Stoilos, Giorgos B. Stamou, Jeff Z. Pan
2010 — conf
Optimization Techniques for Fuzzy Description Logics.
Description Logics
Nikos Simou, Theofilos P. Mailis, Giorgos Stoilos, Giorgos B. Stamou
2009 — conf
A Framework for Reasoning with Expressive Continuous Fuzzy Description Logics.
Description Logics
Giorgos Stoilos, Giorgos B. Stamou
2009 C conf
A Method for Approximation to Ontology Reuse Problem.
KEOD
Eleni Tsalapati, Giorgos B. Stamou, Giorgos Koletsos
2009 — conf
Connectionist Models for Formal Knowledge Adaptation.
ICANN (2)
Ilianna Kollia, Nikos Simou, Giorgos B. Stamou, Andreas Stafylopatis
2009 J jnl
Definition and Adaptation of Weighted Fuzzy Logic Programs.
Int. J. Uncertain. Fuzziness Knowl. Based Syst.
Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis
2009 J jnl
Semantic Classification of Byzantine Icons.
IEEE Intell. Syst.
Paraskevi K. Tzouveli, Nikos Simou, Giorgos B. Stamou, Stefanos D. Kollias
2008 — conf
Adaptation of Connectionist Weighted Fuzzy Logic Programs with Kripke-Kleene Semantics.
ICANN (1)
Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis, Stefanos D. Kollias
2008 — conf
Classifying Fuzzy Subsumption in Fuzzy-EL+.
Description Logics
Giorgos Stoilos, Giorgos B. Stamou, Jeff Z. Pan
2008 J jnl
Connectionist weighted fuzzy logic programs.
Neurocomputing
Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis
2008 — ch.
Multimedia Semantics.
Encyclopedia of Multimedia
Giorgos B. Stamou, Stefanos D. Kollias
2008 B conf
Reasoning with qualified cardinality restrictions in fuzzy Description Logics.
FUZZ-IEEE
Giorgos Stoilos, Giorgos B. Stamou, Stefanos D. Kollias
2008 — conf
Reasoning with the Fuzzy Description Logic f-: Theory, Practice and Applications.
URSW (LNCS Vol.)
Giorgos Stoilos, Giorgos B. Stamou, Jeff Z. Pan, Nikos Simou, Vassilis Tzouvaras
2008 — conf
Resolution of Conflicts Among Ontology Mappings: a Fuzzy Approach.
OM
Alfio Ferrara, Davide Lorusso, Giorgos B. Stamou, Giorgos Stoilos, Vassilis Tzouvaras, Tassos Venetis
2008 A* conf
Scalable querying services over fuzzy ontologies.
WWW
Jeff Z. Pan, Giorgos B. Stamou, Giorgos Stoilos, Stuart Taylor, Edward Thomas
2008 — conf
Semantic Adaptation of Neural Network Classifiers in Image Segmentation.
ICANN (1)
Nikos Simou, Thanos Athanasiadis, Stefanos D. Kollias, Giorgos B. Stamou, Andreas Stafylopatis
2008 — conf
Storing and Querying Fuzzy Knowledge in the Semantic Web.
URSW
Nikos Simou, Giorgos Stoilos, Vassilis Tzouvaras, Giorgos B. Stamou, Stefanos D. Kollias
2008 — conf
Tractable Reasoning Based on the Fuzzy EL++ Algorithm.
URSW
Theofilos P. Mailis, Giorgos Stoilos, Nikos Simou, Giorgos B. Stamou
2007 — conf
Expressive Querying over Fuzzy DL-Lite Ontologies.
Description Logics
Jeff Z. Pan, Giorgos B. Stamou, Giorgos Stoilos, Edward Thomas
2007 — conf
Expressive Reasoning with Horn Rules and Fuzzy Description Logics.
RR
Theofilos P. Mailis, Giorgos Stoilos, Giorgos B. Stamou
2007 — conf
Extending Fuzzy Description Logics for the Semantic Web.
OWLED
Giorgos Stoilos, Giorgos B. Stamou
2007 C conf
Integrated Query Answering with Weighted Fuzzy Rules.
ECSQARU
Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis
2007 J jnl
Reasoning with Very Expressive Fuzzy Description Logics.
J. Artif. Intell. Res.
Giorgos Stoilos, Giorgos B. Stamou, Jeff Z. Pan, Vassilis Tzouvaras, Ian Horrocks
2007 — conf
Top-Down Computation of the Semantics of Weighted Fuzzy Logic Programs.
RR
Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis
2007 B conf
f-DLPs: Extending Description Logic Programs with Fuzzy Sets and Fuzzy Logic.
FUZZ-IEEE
Tassos Venetis, Giorgos Stoilos, Giorgos B. Stamou, Stefanos D. Kollias
2006 B conf
A Connectionist Model for Weighted Fuzzy Programs.
IJCNN
Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis, Stefanos D. Kollias
2006 — conf
Adaptation of Weighted Fuzzy Programs.
ICANN (2)
Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis
2006 — conf
Euclidian Roles in Description Logics.
Description Logics
Giorgos Stoilos, Giorgos B. Stamou
2006 A conf
General Concept Inclusions inFluzzy Description Logics.
ECAI
Giorgos Stoilos, Umberto Straccia, Giorgos B. Stamou, Jeff Z. Pan
2006 — conf
Handling Imprecise Knowledge with Fuzzy Description Logic.
Description Logics
Giorgos Stoilos, Giorgos B. Stamou, Jeff Z. Pan
2006 J jnl
Multimedia Annotations on the Semantic Web.
IEEE Multim.
Giorgos B. Stamou, Jacco van Ossenbruggen, Jeff Z. Pan, Guus Schreiber
2006 — ch.
Multimedia Semantics.
Encyclopedia of Multimedia
Giorgos B. Stamou, Stefanos D. Kollias
2006 J jnl
Rate of convergence, asymptotically attainable structures and sensitivity in non-homogeneous Markov systems with fuzzy states.
Fuzzy Sets Syst.
M. A. Symeonaki, Giorgos B. Stamou
2006 J jnl
Uncertainty and the Semantic Web.
IEEE Intell. Syst.
Giorgos Stoilos, Nikos Simou, Giorgos B. Stamou, Stefanos D. Kollias
2006 J jnl
f-SWRL: A Fuzzy Extension of SWRL.
J. Data Semant.
Jeff Z. Pan, Giorgos Stoilos, Giorgos B. Stamou, Vassilis Tzouvaras, Ian Horrocks
2005 — conf
A Fuzzy Extension of SWRL.
Rule Languages for Interoperability
Giorgos B. Stamou, Jeff Z. Pan, Vassilis Tzouvaras, Ian Horrocks
2005 Misc conf
A String Metric for Ontology Alignment.
ISWC
Giorgos Stoilos, Giorgos B. Stamou, Stefanos D. Kollias
2005 — conf
Fuzzy OWL: Uncertainty and the Semantic Web.
OWLED
Giorgos Stoilos, Giorgos B. Stamou, Vassilis Tzouvaras, Jeff Z. Pan, Ian Horrocks
2005 — conf
Learning Ontology Alignments Using Recursive Neural Networks.
ICANN (2)
Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis
2005 — conf
The Fuzzy Description Logic f-SHIN.
ISWC-URSW
Giorgos Stoilos, Giorgos B. Stamou, Vassilis Tzouvaras, Jeff Z. Pan, Ian Horrocks
2005 — conf
Uncertainty and RuleML Rulebases: A Preliminary Report.
RuleML
Giorgos Stoilos, Giorgos B. Stamou, Vassilis Tzouvaras, Jeff Z. Pan
2005 — conf
f-SWRL: A Fuzzy Extension of SWRL.
ICANN (2)
Jeff Z. Pan, Giorgos B. Stamou, Vassilis Tzouvaras, Ian Horrocks
2004 J jnl
Image Analysis of Soil Micromorphology: Feature Extraction, Segmentation, and Quality Inference.
EURASIP J. Adv. Signal Process.
Petros Maragos, Anastasia Sofou, Giorgos B. Stamou, Vassilis Tzouvaras, Efimia Papatheodorou, George P. Stamou
2004 J jnl
Semantic association of multimedia document descriptions through fuzzy relational algebra and fuzzy reasoning.
IEEE Trans. Syst. Man Cybern. Part A
Giorgos Akrivas, Giorgos B. Stamou, Stefanos D. Kollias
2004 — conf
Semi-automatic Extraction of Semantics from Football Video Sequences.
SETN
Vassilis Tzouvaras, Giorgos B. Stamou, Stefanos D. Kollias
2004 J jnl
Theory of Markov systems with fuzzy states.
Fuzzy Sets Syst.
M. A. Symeonaki, Giorgos B. Stamou
2003 — conf
Adaptive rule-based recognition of events in video sequences.
ICIP (2)
Vassilis Tzouvaras, Gabriel Tsechpenakis, Giorgos B. Stamou, Stefanos D. Kollias
2003 B conf
Automatic thematic categorization of documents using a fuzzy taxonomy and fuzzy hierarchical clustering.
FUZZ-IEEE
Manolis Wallace, Giorgos Akrivas, Giorgos B. Stamou
2003 C conf
Knowledge Refinement Using Fuzzy Compositional Neural Networks.
ICANN
Vassilis Tzouvaras, Giorgos B. Stamou, Stefanos D. Kollias
2003 C conf
Lattice Fuzzy Signal Operators and Generalized Image Gradients.
IFSA
Petros Maragos, Vassilis Tzouvaras, Giorgos B. Stamou
2003 J jnl
The Electronic Road: Personalized Content Browsing.
IEEE Multim.
Manolis Wallace, Kostas Karpouzis, Giorgos B. Stamou, George Moschovitis, Stefanos D. Kollias, Christos N. Schizas
2003 J jnl
Unified Access to Heterogeneous Audiovisual Archives.
J. Univers. Comput. Sci.
Yannis Avrithis, Giorgos B. Stamou, Manolis Wallace, Ferran Marqués, Philippe Salembier, Xavier Giró, Werner Haas, Heribert Vallant, Michael Zufferey
2002 C conf
Context - Sensitive Query Expansion Based on Fuzzy Clustering of Index Terms.
FQAS
Giorgos Akrivas, Manolis Wallace, Giorgos B. Stamou, Stefanos D. Kollias
2002 J jnl
Fuzzy Non-Homogeneous Markov Systems.
Appl. Intell.
M. A. Symeonaki, Giorgos B. Stamou, Spyros G. Tzafestas
2002 — conf
Intelligent Semantic Access to Audiovisual Content.
SETN
Yannis Avrithis, Giorgos B. Stamou, Anastasios Delopoulos, Stefanos D. Kollias
2002 — conf
Towards a context aware mining of user interests for consumption of multimedia documents.
ICME (1)
Manolis Wallace, Giorgos B. Stamou
2001 J jnl
Resolution of composite fuzzy relation equations based on Archimedean triangular norms.
Fuzzy Sets Syst.
Giorgos B. Stamou, Spyros G. Tzafestas
2001 — conf
Synthesis and applications of lattice image operators based on fuzzy norms.
ICIP (1)
Petros Maragos, Vassilis Tzouvaras, Giorgos B. Stamou
2000 C conf
A Lattice Control Model of Fuzzy Dynamical Systems in State-Space.
ISMM
Petros Maragos, Giorgos B. Stamou, Spyros G. Tzafestas
1999 J jnl
Fuzzy relation equations and fuzzy inference systems: an inside approach.
IEEE Trans. Syst. Man Cybern. Part B
Giorgos B. Stamou, Spyros G. Tzafestas
1998 — conf
A New Solution Methodology for Fuzzy Relation Equations.
IEA/AIE (Vol. 1)
Spyros G. Tzafestas, Giorgos B. Stamou