Giorgos B. Stamou

Publication Activity (10 Years)

Years Active: 1998-2017
Publications (10 Years): 3

Top Topics

Query Rewriting

Top Venues

Description Logics

Publications

Giorgos B. Stamou, Alexandros Chortaras
Ontological Query Answering over Semantic Data. Reasoning Web (2017)
Alexandros Chortaras, Bernardo Cuenca Grau, Giorgos B. Stamou, Giorgos Stoilos
Reformulating Ontological Queries Using Materialised Rewritings. WIMS (2016)
Eleni Tsalapati, Giorgos Stoilos, Giorgos B. Stamou, George Koletsos
Efficient Query Answering over Expressive Inconsistent Description Logics. IJCAI (2016)
Birte Glimm, Yevgeny Kazakov, Ilianna Kollia, Giorgos B. Stamou
Lower and Upper Bounds for SPARQL Queries over OWL Ontologies. AAAI (2015)
Despoina Trivela, Giorgos Stoilos, Alexandros Chortaras, Giorgos B. Stamou
Optimising resolution-based rewriting algorithms for OWL ontologies. J. Web Semant. 33 (2015)
Despoina Trivela, Giorgos Stoilos, Alexandros Chortaras, Giorgos B. Stamou
Query Rewriting in Horn-SHIQ. Description Logics (2015)
Birte Glimm, Yevgeny Kazakov, Ilianna Kollia, Giorgos B. Stamou
Lower and Upper Bounds for SPARQL Queries over OWL Ontologies. Description Logics (2015)
Giorgos Stoilos, Giorgos B. Stamou
Reasoning with fuzzy extensions of OWL and OWL 2. Knowl. Inf. Syst. 40 (1) (2014)
Tassos Venetis, Giorgos Stoilos, Giorgos B. Stamou
Query Extensions and Incremental Query Rewriting for OWL 2 QL Ontologies. J. Data Semant. 3 (1) (2014)
Tassos Venetis, Giorgos Stoilos, Giorgos B. Stamou
Query rewriting under query refinements. Knowl. Based Syst. 56 (2014)
Birte Glimm, Yevgeny Kazakov, Ilianna Kollia, Giorgos B. Stamou
OWL Query Answering Based on Query Extension. OWLED (2014)
Giorgos Stoilos, Giorgos B. Stamou
Hybrid Query Answering Over OWL Ontologies. ECAI (2014)
Giorgos Stoilos, Giorgos B. Stamou
Hybrid Query Answering Over DL Ontologies. Description Logics (2014)
Nikos Simou, Giorgos Stoilos, Giorgos B. Stamou
Storing and Querying Fuzzy Knowledge in the Semantic Web Using FiRE. URSW (LNCS Vol.) (2013)
Eleni Tsalapati, Giorgos Stoilos, Giorgos B. Stamou, George Koletsos
Query Rewriting Under Ontology Evolution. Description Logics (2013)
Birte Glimm, Yevgeny Kazakov, Ilianna Kollia, Giorgos B. Stamou
Using the TBox to Optimise SPARQL Queries. Description Logics (2013)
Despoina Trivela, Giorgos Stoilos, Alexandros Chortaras, Giorgos B. Stamou
Optimising Resolution-Based Rewriting Algorithms for DL Ontologies. Description Logics (2013)
Theofilos P. Mailis, Giorgos Stoilos, Nikos Simou, Giorgos B. Stamou, Stefanos D. Kollias
. J. Intell. Inf. Syst. 39 (2) (2012)
Tassos Venetis, Giorgos Stoilos, Giorgos B. Stamou
Incremental Query Rewriting for OWL 2 QL. Description Logics (2012)
Ilianna Kollia, Vassilis Tzouvaras, Nasos Drosopoulos, Giorgos B. Stamou
A systemic approach for effective semantic access to cultural content. Semantic Web 3 (1) (2012)
Ilianna Kollia, Kostas Rapantzikos, Giorgos B. Stamou, Andreas Stafylopatis
Semantic Query Answering in Digital Libraries. SETN (2012)
Eleni Tsalapati, Giorgos Stoilos, Giorgos B. Stamou, George Koletsos
Query Rewriting under Ontology Contraction. RR (2012)
Alexandros Chortaras, Despoina Trivela, Giorgos B. Stamou
Optimized Query Rewriting for OWL 2 QL. CADE (2011)
Alexandros Chortaras, Despoina Trivela, Giorgos B. Stamou
Goal-oriented Query Rewriting for OWL 2 QL. Description Logics (2011)
Ian Horrocks, Jeff Z. Pan, Giorgos B. Stamou, Giorgos Stoilos, Vassilis Tzouvaras
Reasoning with Very Expressive Fuzzy Description Logics CoRR (2011)
Giorgos Stoilos, Giorgos B. Stamou, Jeff Z. Pan
Fuzzy extensions of OWL: Logical properties and reduction to fuzzy description logics. Int. J. Approx. Reason. 51 (6) (2010)
Theofilos P. Mailis, Giorgos Stoilos, Giorgos B. Stamou
Expressive reasoning with horn rules and fuzzy description logics. Knowl. Inf. Syst. 25 (1) (2010)
Nikos Simou, Theofilos P. Mailis, Giorgos Stoilos, Giorgos B. Stamou
Optimization Techniques for Fuzzy Description Logics. Description Logics (2010)
Paraskevi K. Tzouveli, Nikos Simou, Giorgos B. Stamou, Stefanos D. Kollias
Semantic Classification of Byzantine Icons. IEEE Intell. Syst. 24 (2) (2009)
Eleni Tsalapati, Giorgos B. Stamou, Giorgos Koletsos
A Method for Approximation to Ontology Reuse Problem. KEOD (2009)
Ilianna Kollia, Nikos Simou, Giorgos B. Stamou, Andreas Stafylopatis
Connectionist Models for Formal Knowledge Adaptation. ICANN (2) (2009)
Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis
Definition and Adaptation of Weighted Fuzzy Logic Programs. Int. J. Uncertain. Fuzziness Knowl. Based Syst. 17 (1) (2009)
Giorgos Stoilos, Giorgos B. Stamou
A Framework for Reasoning with Expressive Continuous Fuzzy Description Logics. Description Logics (2009)
Giorgos Stoilos, Giorgos B. Stamou, Jeff Z. Pan
Classifying Fuzzy Subsumption in Fuzzy-EL+. Description Logics (2008)
Alfio Ferrara, Davide Lorusso, Giorgos B. Stamou, Giorgos Stoilos, Vassilis Tzouvaras, Tassos Venetis
Resolution of Conflicts Among Ontology Mappings: a Fuzzy Approach. OM (2008)
Jeff Z. Pan, Giorgos B. Stamou, Giorgos Stoilos, Stuart Taylor, Edward Thomas
Scalable querying services over fuzzy ontologies. WWW (2008)
Nikos Simou, Thanos Athanasiadis, Stefanos D. Kollias, Giorgos B. Stamou, Andreas Stafylopatis
Semantic Adaptation of Neural Network Classifiers in Image Segmentation. ICANN (1) (2008)
Giorgos Stoilos, Giorgos B. Stamou, Jeff Z. Pan, Nikos Simou, Vassilis Tzouvaras
Reasoning with the Fuzzy Description Logic f-: Theory, Practice and Applications. URSW (LNCS Vol.) (2008)
Nikos Simou, Giorgos Stoilos, Vassilis Tzouvaras, Giorgos B. Stamou, Stefanos D. Kollias
Storing and Querying Fuzzy Knowledge in the Semantic Web. URSW (2008)
Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis, Stefanos D. Kollias
Adaptation of Connectionist Weighted Fuzzy Logic Programs with Kripke-Kleene Semantics. ICANN (1) (2008)
Giorgos Stoilos, Giorgos B. Stamou, Stefanos D. Kollias
Reasoning with qualified cardinality restrictions in fuzzy Description Logics. FUZZ-IEEE (2008)
Theofilos P. Mailis, Giorgos Stoilos, Nikos Simou, Giorgos B. Stamou
Tractable Reasoning Based on the Fuzzy EL++ Algorithm. URSW (2008)
Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis
Connectionist weighted fuzzy logic programs. Neurocomputing 71 (13-15) (2008)
Giorgos Stoilos, Giorgos B. Stamou, Jeff Z. Pan, Vassilis Tzouvaras, Ian Horrocks
Reasoning with Very Expressive Fuzzy Description Logics. J. Artif. Intell. Res. 30 (2007)
Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis
Top-Down Computation of the Semantics of Weighted Fuzzy Logic Programs. RR (2007)
Jeff Z. Pan, Giorgos B. Stamou, Giorgos Stoilos, Edward Thomas
Expressive Querying over Fuzzy DL-Lite Ontologies. Description Logics (2007)
Giorgos Stoilos, Giorgos B. Stamou
Extending Fuzzy Description Logics for the Semantic Web. OWLED (2007)
Tassos Venetis, Giorgos Stoilos, Giorgos B. Stamou, Stefanos D. Kollias
f-DLPs: Extending Description Logic Programs with Fuzzy Sets and Fuzzy Logic. FUZZ-IEEE (2007)
Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis
Integrated Query Answering with Weighted Fuzzy Rules. ECSQARU (2007)
Theofilos P. Mailis, Giorgos Stoilos, Giorgos B. Stamou
Expressive Reasoning with Horn Rules and Fuzzy Description Logics. RR (2007)
Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis
Adaptation of Weighted Fuzzy Programs. ICANN (2) (2006)
Giorgos B. Stamou, Jacco van Ossenbruggen, Jeff Z. Pan, Guus Schreiber
Multimedia Annotations on the Semantic Web. IEEE Multim. 13 (1) (2006)
Giorgos Stoilos, Nikos Simou, Giorgos B. Stamou, Stefanos D. Kollias
Uncertainty and the Semantic Web. IEEE Intell. Syst. 21 (5) (2006)
Giorgos Stoilos, Giorgos B. Stamou, Jeff Z. Pan
Handling Imprecise Knowledge with Fuzzy Description Logic. Description Logics (2006)
M. A. Symeonaki, Giorgos B. Stamou
Rate of convergence, asymptotically attainable structures and sensitivity in non-homogeneous Markov systems with fuzzy states. Fuzzy Sets Syst. 157 (1) (2006)
Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis, Stefanos D. Kollias
A Connectionist Model for Weighted Fuzzy Programs. IJCNN (2006)
Giorgos Stoilos, Umberto Straccia, Giorgos B. Stamou, Jeff Z. Pan
General Concept Inclusions inFluzzy Description Logics. ECAI (2006)
Jeff Z. Pan, Giorgos Stoilos, Giorgos B. Stamou, Vassilis Tzouvaras, Ian Horrocks
f-SWRL: A Fuzzy Extension of SWRL. J. Data Semant. (2006)
Giorgos Stoilos, Giorgos B. Stamou
Euclidian Roles in Description Logics. Description Logics (2006)
Jeff Z. Pan, Giorgos B. Stamou, Vassilis Tzouvaras, Ian Horrocks
f-SWRL: A Fuzzy Extension of SWRL. ICANN (2) (2005)
Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis
Learning Ontology Alignments Using Recursive Neural Networks. ICANN (2) (2005)
Giorgos B. Stamou, Jeff Z. Pan, Vassilis Tzouvaras, Ian Horrocks
A Fuzzy Extension of SWRL. Rule Languages for Interoperability (2005)
Giorgos Stoilos, Giorgos B. Stamou, Vassilis Tzouvaras, Jeff Z. Pan
Uncertainty and RuleML Rulebases: A Preliminary Report. RuleML (2005)
Giorgos Stoilos, Giorgos B. Stamou, Vassilis Tzouvaras, Jeff Z. Pan, Ian Horrocks
Fuzzy OWL: Uncertainty and the Semantic Web. OWLED (2005)
Giorgos Stoilos, Giorgos B. Stamou, Stefanos D. Kollias
A String Metric for Ontology Alignment. ISWC (2005)
Giorgos Stoilos, Giorgos B. Stamou, Vassilis Tzouvaras, Jeff Z. Pan, Ian Horrocks
The Fuzzy Description Logic f-SHIN. ISWC-URSW (2005)
Giorgos Akrivas, Giorgos B. Stamou, Stefanos D. Kollias
Semantic association of multimedia document descriptions through fuzzy relational algebra and fuzzy reasoning. IEEE Trans. Syst. Man Cybern. Part A 34 (2) (2004)
Petros Maragos, Anastasia Sofou, Giorgos B. Stamou, Vassilis Tzouvaras, Efimia Papatheodorou, George P. Stamou
Image Analysis of Soil Micromorphology: Feature Extraction, Segmentation, and Quality Inference. EURASIP J. Adv. Signal Process. 2004 (6) (2004)
M. A. Symeonaki, Giorgos B. Stamou
Theory of Markov systems with fuzzy states. Fuzzy Sets Syst. 143 (3) (2004)
Vassilis Tzouvaras, Giorgos B. Stamou, Stefanos D. Kollias
Semi-automatic Extraction of Semantics from Football Video Sequences. SETN (2004)
Yannis Avrithis, Giorgos B. Stamou, Manolis Wallace, Ferran Marqués, Philippe Salembier, Xavier Giró, Werner Haas, Heribert Vallant, Michael Zufferey
Unified Access to Heterogeneous Audiovisual Archives. J. Univers. Comput. Sci. 9 (6) (2003)
Petros Maragos, Vassilis Tzouvaras, Giorgos B. Stamou
Lattice Fuzzy Signal Operators and Generalized Image Gradients. IFSA (2003)
Manolis Wallace, Giorgos Akrivas, Giorgos B. Stamou
Automatic thematic categorization of documents using a fuzzy taxonomy and fuzzy hierarchical clustering. FUZZ-IEEE (2003)
Manolis Wallace, Kostas Karpouzis, Giorgos B. Stamou, George Moschovitis, Stefanos D. Kollias, Christos N. Schizas
The Electronic Road: Personalized Content Browsing. IEEE Multim. 10 (4) (2003)
Vassilis Tzouvaras, Giorgos B. Stamou, Stefanos D. Kollias
Knowledge Refinement Using Fuzzy Compositional Neural Networks. ICANN (2003)
Vassilis Tzouvaras, Gabriel Tsechpenakis, Giorgos B. Stamou, Stefanos D. Kollias
Adaptive rule-based recognition of events in video sequences. ICIP (2) (2003)
M. A. Symeonaki, Giorgos B. Stamou, Spyros G. Tzafestas
Fuzzy Non-Homogeneous Markov Systems. Appl. Intell. 17 (2) (2002)
Giorgos Akrivas, Manolis Wallace, Giorgos B. Stamou, Stefanos D. Kollias
Context - Sensitive Query Expansion Based on Fuzzy Clustering of Index Terms. FQAS (2002)
Yannis Avrithis, Giorgos B. Stamou, Anastasios Delopoulos, Stefanos D. Kollias
Intelligent Semantic Access to Audiovisual Content. SETN (2002)
Manolis Wallace, Giorgos B. Stamou
Towards a context aware mining of user interests for consumption of multimedia documents. ICME (1) (2002)
Giorgos B. Stamou, Spyros G. Tzafestas
Resolution of composite fuzzy relation equations based on Archimedean triangular norms. Fuzzy Sets Syst. 120 (3) (2001)
Petros Maragos, Vassilis Tzouvaras, Giorgos B. Stamou
Synthesis and applications of lattice image operators based on fuzzy norms. ICIP (1) (2001)
Petros Maragos, Giorgos B. Stamou, Spyros G. Tzafestas
A Lattice Control Model of Fuzzy Dynamical Systems in State-Space. ISMM (2000)
Giorgos B. Stamou, Spyros G. Tzafestas
Fuzzy relation equations and fuzzy inference systems: an inside approach. IEEE Trans. Syst. Man Cybern. Part B 29 (6) (1999)
Spyros G. Tzafestas, Giorgos B. Stamou
A New Solution Methodology for Fuzzy Relation Equations. IEA/AIE (Vol. 1) (1998)