Ioannis P. Vlahavas

Thanos G. Stavropoulos, Konstantinos Gottis, Dimitris Vrakas, Ioannis P. Vlahavas: aWESoME: A web service middleware for ambient intelligence. Expert Syst. Appl. 40(11): 4380-4392 (2013)

Anestis Fachantidis, Ioannis Partalas, Grigorios Tsoumakas, Ioannis P. Vlahavas: Transferring task models in Reinforcement Learning agents. Neurocomputing 107: 23-32 (2013)

George Tzanis, Christos Berberidis, Ioannis P. Vlahavas: StackTIS: A stacked generalization approach for effective prediction of translation initiation sites. Comp. in Bio. and Med. 42(1): 61-69 (2012)

Ourania Hatzi, Dimitris Vrakas, Mara Nikolaidou, Nick Bassiliades, Dimosthenis Anagnostopoulos, Ioannis P. Vlahavas: An Integrated Approach to Automated Semantic Web Service Composition through Planning. IEEE T. Services Computing 5(3): 319-332 (2012)

Eleftherios Spyromitros Xioufis, Symeon Papadopoulos, Ioannis Kompatsiaris, Grigorios Tsoumakas, Ioannis P. Vlahavas: An empirical study on the combination of surf features with VLAD vectors for image search. WIAMIS 2012: 1-4

Georgios Meditskos, Nick Bassiliades, Dimitris Vrakas, Ioannis P. Vlahavas: IRISPortal: a semantic portal for industrial risk cases management. WIMS 2012: 28

Ilias Maglogiannis, Vassilis P. Plagianakos, Ioannis P. Vlahavas (Eds.): Artificial Intelligence: Theories and Applications - 7th Hellenic Conference on AI, SETN 2012, Lamia, Greece, May 28-31, 2012. Proceedings. Lecture Notes in Computer Science 7297, Springer 2012, isbn 978-3-642-30447-7

Eleftherios Spyromitros Xioufis, William Groves, Grigorios Tsoumakas, Ioannis P. Vlahavas: Multi-Label Classification Methods for Multi-Target Regression. CoRR abs/1211.6581 (2012)

Konstantinos Trohidis, Grigorios Tsoumakas, George Kalliris, Ioannis P. Vlahavas: Multi-label classification of music by emotion. EURASIP J. Audio, Speech and Music Processing 2011: 4 (2011)

George Tzanis, Ioannis Kavakiotis, Ioannis P. Vlahavas: PolyA-iEP: A data mining method for the effective prediction of polyadenylation sites. Expert Syst. Appl. 38(10): 12398-12408 (2011)

Grigorios Tsoumakas, Eleftherios Spyromitros Xioufis, Jozef Vilcek, Ioannis P. Vlahavas: MULAN: A Java Library for Multi-Label Learning. Journal of Machine Learning Research 12: 2411-2414 (2011)

Grigorios Tsoumakas, Ioannis Katakis, Ioannis P. Vlahavas: Random k-Labelsets for Multilabel Classification. IEEE Trans. Knowl. Data Eng. 23(7): 1079-1089 (2011)

Eleftherios Spyromitros Xioufis, Konstantinos Sechidis, Grigorios Tsoumakas, Ioannis P. Vlahavas: MLKD's Participation at the CLEF 2011 Photo Annotation and Concept-Based Retrieval Tasks. CLEF (Notebook Papers/Labs/Workshop) 2011

Kyriakos C. Chatzidimitriou, Ioannis Partalas, Pericles A. Mitkas, Ioannis P. Vlahavas: Transferring Evolved Reservoir Features in Reinforcement Learning Tasks. EWRL 2011: 213-224

Anestis Fachantidis, Ioannis Partalas, Matthew E. Taylor, Ioannis P. Vlahavas: Transfer Learning via Multiple Inter-task Mappings. EWRL 2011: 225-236

Georgios Boutsioukis, Ioannis Partalas, Ioannis P. Vlahavas: Transfer Learning in Multi-Agent Reinforcement Learning Domains. EWRL 2011: 249-260

Thanos G. Stavropoulos, Dimitris Vrakas, Alexandros Arvanitidis, Ioannis P. Vlahavas: A System for Energy Savings in an Ambient Intelligence Environment. ICT-GLOW 2011: 102-109

Anestis Fachantidis, Ioannis Partalas, Grigorios Tsoumakas, Ioannis P. Vlahavas: Transferring Models in Hybrid Reinforcement Learning Agents. EANN/AIAI (1) 2011: 162-171

Eleftherios Spyromitros Xioufis, Myra Spiliopoulou, Grigorios Tsoumakas, Ioannis P. Vlahavas: Dealing with Concept Drift and Class Imbalance in Multi-Label Stream Classification. IJCAI 2011: 1583-1588

Eleftherios Spyromitros Xioufis, Grigorios Tsoumakas, Ioannis P. Vlahavas: Multi-label Learning Approaches for Music Instrument Recognition. ISMIS 2011: 734-743

Konstantinos Sechidis, Grigorios Tsoumakas, Ioannis P. Vlahavas: On the Stratification of Multi-label Data. ECML/PKDD (3) 2011: 145-158

Ioannis Refanidis, Ioannis P. Vlahavas: The GRT Planning System: Backward Heuristic Construction in Forward State-Space Planning. CoRR abs/1106.0285 (2011)

Ourania Hatzi, Dimitris Vrakas, Nick Bassiliades, Dimosthenis Anagnostopoulos, Ioannis P. Vlahavas: A visual programming system for automated problem solving. Expert Syst. Appl. 37(6): 4611-4625 (2010)

Ioannis Katakis, Grigorios Tsoumakas, Ioannis P. Vlahavas: Tracking recurring contexts using ensemble classifiers: an application to email filtering. Knowl. Inf. Syst. 22(3): 371-391 (2010)

Ioannis Partalas, Grigorios Tsoumakas, Ioannis P. Vlahavas: An ensemble uncertainty aware measure for directed hill climbing ensemble pruning. Machine Learning 81(3): 257-282 (2010)

Maria Befa, Efstratios Kontopoulos, Nick Bassiliades, Christos Berberidis, Ioannis P. Vlahavas: Deploying a Semantically-Enabled Content Management System in a State University. EGOVIS 2010: 257-264

Thanos G. Stavropoulos, Ageliki Tsioliaridou, George Koutitas, Dimitris Vrakas, Ioannis P. Vlahavas: System Architecture for a Smart University Building. ICANN (3) 2010: 477-482

Fotini Markatopoulou, Grigorios Tsoumakas, Ioannis P. Vlahavas: Instance-Based Ensemble Pruning via Multi-Label Classification. ICTAI (1) 2010: 401-408

Marios Ioannou, George Sakkas, Grigorios Tsoumakas, Ioannis P. Vlahavas: Obtaining Bipartitions from Score Vectors for Multi-Label Classification. ICTAI (1) 2010: 409-416

Ourania Hatzi, Dimitris Vrakas, Nick Bassiliades, Dimosthenis Anagnostopoulos, Ioannis P. Vlahavas: Semantic Awareness in Automated Web Service Composition through Planning. SETN 2010: 123-132

George Tzanis, Ioannis P. Vlahavas: Mining for Mutually Exclusive Gene Expressions. SETN 2010: 255-264

Grigorios Tsoumakas, Ioannis Katakis, Ioannis P. Vlahavas: Mining Multi-label Data. Data Mining and Knowledge Discovery Handbook 2010: 667-685

Evaggelos V. Hatzikos, Jari J. Hätönen, Nick Bassiliades, Ioannis P. Vlahavas, Eleni Fournou: Applying adaptive prediction to sea-water quality measurements. Expert Syst. Appl. 36(3): 6773-6779 (2009)

Ioannis Partalas, Grigorios Tsoumakas, Ioannis P. Vlahavas: Pruning an ensemble of classifiers via reinforcement learning. Neurocomputing 72(7-9): 1900-1909 (2009)

Ioannis Katakis, Grigorios Tsoumakas, Evangelos Banos, Nick Bassiliades, Ioannis P. Vlahavas: An adaptive personalized news dissemination system. J. Intell. Inf. Syst. 32(2): 191-212 (2009)

Grigorios Tsoumakas, Ioannis P. Vlahavas: Distributed Data Mining. Database Technologies: Concepts, Methodologies, Tools, and Applications 2009: 157-164

Ioannis Partalas, Grigorios Tsoumakas, Konstantinos Tzevanidis, Ioannis P. Vlahavas: Transferring experience in reinforcement learning through task decomposition. AAMAS (2) 2009: 1193-1194

Anastasios Dimou, Grigorios Tsoumakas, Vasileios Mezaris, Ioannis Kompatsiaris, Ioannis P. Vlahavas: An Empirical Study of Multi-label Learning Methods for Video Annotation. CBMI 2009: 19-24

Ioannis Katakis, Georgios Meditskos, Grigorios Tsoumakas, Nick Bassiliades, Ioannis P. Vlahavas: On the Combination of Textual and Semantic Descriptions for Automated Semantic Web Service Classification. AIAI 2009: 95-104

Ourania Hatzi, Georgios Meditskos, Dimitris Vrakas, Nick Bassiliades, Dimosthenis Anagnostopoulos, Ioannis P. Vlahavas: Semantic Web Service Composition Using Planning and Ontology Concept Relevance. Web Intelligence 2009: 418-421

Grigorios Tsoumakas, Ioannis Partalas, Ioannis P. Vlahavas: An Ensemble Pruning Primer. Applications of Supervised and Unsupervised Ensemble Methods 2009: 1-13

Lazaros S. Iliadis, Ilias Maglogiannis, Grigorios Tsoumakas, Ioannis P. Vlahavas, Max Bramer (Eds.): Artificial Intelligence Applications and Innovations III, Proceedings of the 5TH IFIP Conference on Artificial Intelligence Applications and Innovations (AIAI'2009), April 23-25, 2009, Thessaloniki, Greece. IFIP Advances in Information and Communication Technology 296, Springer 2009, isbn 978-1-4419-0220-7

Stamatia Bibi, Grigorios Tsoumakas, Ioannis Stamelos, Ioannis P. Vlahavas: Regression via Classification applied on software defect estimation. Expert Syst. Appl. 34(3): 2091-2101 (2008)

Efstratios Kontopoulos, Dimitris Vrakas, Fotis Kokkoras, Nick Bassiliades, Ioannis P. Vlahavas: An ontology-based planning system for e-course generation. Expert Syst. Appl. 35(1-2): 398-406 (2008)

Ioannis Partalas, Ioannis Feneris, Ioannis P. Vlahavas: A Hybrid Multiagent Reinforcement Learning Approach Using Strategies and Fusion. International Journal on Artificial Intelligence Tools 17(5): 945-962 (2008)

Ioannis Partalas, Grigorios Tsoumakas, Evaggelos V. Hatzikos, Ioannis P. Vlahavas: Greedy regression ensemble selection: Theory and an application to water quality prediction. Inf. Sci. 178(20): 3867-3879 (2008)

Evaggelos V. Hatzikos, Grigorios Tsoumakas, George Tzanis, Nick Bassiliades, Ioannis P. Vlahavas: An empirical study on sea water quality prediction. Knowl.-Based Syst. 21(6): 471-478 (2008)

George Tzanis, Ioannis Kavakiotis, Ioannis P. Vlahavas: Polyadenylation site prediction using interesting emerging patterns. BIBE 2008: 1-7

Ioannis Partalas, Grigorios Tsoumakas, Ioannis P. Vlahavas: Focused Ensemble Selection: A Diversity-Based Method for Greedy Ensemble Selection. ECAI 2008: 117-121

Ioannis Partalas, Georgios Paliouras, Ioannis P. Vlahavas: Reinforcement Learning with Classifier Selection for Focused Crawling. ECAI 2008: 759-760

Ioannis Katakis, Grigorios Tsoumakas, Ioannis P. Vlahavas: An Ensemble of Classifiers for coping with Recurring Contexts in Data Streams. ECAI 2008: 763-764

Ourania Hatzi, Georgios Meditskos, Dimitris Vrakas, Nick Bassiliades, Dimosthenis Anagnostopoulos, Ioannis P. Vlahavas: A Synergy of Planning and Ontology Concept Ranking for Semantic Web Service Composition. IBERAMIA 2008: 42-51

Konstantinos Trohidis, Grigorios Tsoumakas, George Kalliris, Ioannis P. Vlahavas: Multi-Label Classification of Music into Emotions. ISMIR 2008: 325-330

Fotis Kokkoras, Efstratia Lampridou, Konstantinos Ntonas, Ioannis P. Vlahavas: MOpiS: A Multiple Opinion Summarizer. SETN 2008: 110-122

Eleftherios Spyromitros Xioufis, Grigorios Tsoumakas, Ioannis P. Vlahavas: An Empirical Study of Lazy Multilabel Classification Algorithms. SETN 2008: 401-406

Evaggelos V. Hatzikos, Nick Bassiliades, Leonidas Asmanis, Ioannis P. Vlahavas: Monitoring water quality through a telematic sensor network and a fuzzy expert system. Expert Systems 24(3): 143-161 (2007)

Grigorios Tsoumakas, Ioannis P. Vlahavas: An interoperable and scalable Web-based system for classifier sharing and fusion. Expert Syst. Appl. 33(3): 716-724 (2007)

Christos Berberidis, Ioannis P. Vlahavas: Detection and Prediction of Rare Events in Transaction Databases. International Journal on Artificial Intelligence Tools 16(5): 829-848 (2007)

Grigorios Tsoumakas, Ioannis P. Vlahavas: Random k -Labelsets: An Ensemble Method for Multilabel Classification. ECML 2007: 406-417

Fotis Kokkoras, Nick Bassiliades, Ioannis P. Vlahavas: Cooperative CG-Wrappers for Web Content Extraction. ICCS 2007: 476-479

George Tzanis, Ioannis P. Vlahavas: Accurate Classification of SAGE Data Based on Frequent Patterns of Gene Expression. ICTAI (1) 2007: 96-100

Ioannis Partalas, Ioannis Feneris, Ioannis P. Vlahavas: Multi-agent Reinforcement Learning Using Strategies and Voting. ICTAI (2) 2007: 318-324

Nick Bassiliades, Grigoris Antoniou, Ioannis P. Vlahavas: A Defeasible Logic Reasoner for the Semantic Web. Int. J. Semantic Web Inf. Syst. 2(1): 1-41 (2006)

Nick Bassiliades, Ioannis P. Vlahavas: R-DEVICE: An Object-Oriented Knowledge Base for RDF Metadata. Int. J. Semantic Web Inf. Syst. 2(2): 24-90 (2006)

Ilias Sakellariou, Ioannis P. Vlahavas, Ivan Futó, Zoltán Pásztor, János Szeredi: Communicating sequential processes for distributed constraint satisfaction. Inf. Sci. 176(5): 490-521 (2006)

Stamatia Bibi, Grigorios Tsoumakas, Ioannis Stamelos, Ioannis P. Vlahavas: Software Defect Prediction Using Regression via Classification. AICCSA 2006: 330-336

George Tzanis, Christos Berberidis, Ioannis P. Vlahavas: A Novel Data Mining Approach for the Accurate Prediction of Translation Initiation Sites. ISBMDA 2006: 92-103

Evangelos Banos, Ioannis Katakis, Nick Bassiliades, Grigorios Tsoumakas, Ioannis P. Vlahavas: PersoNews: A Personalized News Reader Enhanced by Machine Learning and Semantic Filtering. OTM Conferences (1) 2006: 975-982

Ioannis Partalas, Grigorios Tsoumakas, Ioannis Katakis, Ioannis P. Vlahavas: Ensemble Pruning Using Reinforcement Learning. SETN 2006: 301-310

George Tzanis, Ioannis P. Vlahavas: Prediction of Translation Initiation Sites Using Classifier Selection. SETN 2006: 367-377

Dimitris Vrakas, Fotis Kokkoras, Nick Bassiliades, Ioannis P. Vlahavas: Towards Automatic Synthesis of Educational Resources Through Automated Planning. SETN 2006: 421-431

Dimitris Vrakas, Grigorios Tsoumakas, Nick Bassiliades, Ioannis P. Vlahavas: HAPRC: an automatically configurable planning system. AI Commun. 18(1): 41-60 (2005)

Dimitris Vrakas, Ioannis P. Vlahavas: Hybrid ACE: Combining Search Directions for Heuristic Planning. Computational Intelligence 21(3): 306-331 (2005)

Nick Bassiliades, Dimosthenis Anagnostopoulos, Ioannis P. Vlahavas: Web Service Composition Using a Deductive XML Rule Language. Distributed and Parallel Databases 17(2): 135-178 (2005)

Christos Berberidis, Ioannis P. Vlahavas: Mining for weak periodic signals in time series databases. Intell. Data Anal. 9(1): 29-42 (2005)

Grigorios Tsoumakas, Lefteris Angelis, Ioannis P. Vlahavas: Selective fusion of heterogeneous classifiers. Intell. Data Anal. 9(6): 511-525 (2005)

Dimitris Vrakas, Ioannis P. Vlahavas: A Visualization Environment for Planning. International Journal on Artificial Intelligence Tools 14(6): 975-998 (2005)

Ioannis Katakis, Grigorios Tsoumakas, Ioannis P. Vlahavas: On the Utility of Incremental Feature Selection for the Classification of Textual Data Streams. Panhellenic Conference on Informatics 2005: 338-348

Nick Bassiliades, Efstratios Kontopoulos, Grigoris Antoniou, Ioannis P. Vlahavas: A Graphical Rule Authoring Tool for Defeasible Reasoning in the Semantic Web. Panhellenic Conference on Informatics 2005: 404-414

George Tzanis, Christos Berberidis, Anastasia Alexandridou, Ioannis P. Vlahavas: Improving the Accuracy of Classifiers for the Prediction of Translation Initiation Sites in Genomic Sequences. Panhellenic Conference on Informatics 2005: 426-436

Sotiris Diplaris, Grigorios Tsoumakas, Pericles A. Mitkas, Ioannis P. Vlahavas: Protein Classification with Multiple Algorithms. Panhellenic Conference on Informatics 2005: 448-456

George Tzanis, Christos Berberidis, Ioannis P. Vlahavas: Biological Data Mining. Encyclopedia of Database Technologies and Applications 2005: 35-41

Grigorios Tsoumakas, Lefteris Angelis, Ioannis P. Vlahavas: Clustering classifiers for knowledge discovery from physically distributed databases. Data Knowl. Eng. 49(3): 223-242 (2004)

Ilias Sakellariou, Ioannis P. Vlahavas: Distributed singleton consistency. J. Exp. Theor. Artif. Intell. 16(2): 107-124 (2004)

Grigorios Tsoumakas, Dimitris Vrakas, Nick Bassiliades, Ioannis P. Vlahavas: Lazy Adaptive Multicriteria Planning. ECAI 2004: 693-697

Grigorios Tsoumakas, Ioannis Katakis, Ioannis P. Vlahavas: Effective Voting of Heterogeneous Classifiers. ECML 2004: 465-476

Sokratis Konias, Nicos Maglaveras, Ioannis P. Vlahavas: Predicting Missing Parts in Time Series Using Uncertainty Theory. ISBMDA 2004: 313-321

Nick Bassiliades, Grigoris Antoniou, Ioannis P. Vlahavas: DR-DEVICE: A Defeasible Logic System for the Semantic Web. PPSWR 2004: 134-148

Nick Bassiliades, Grigoris Antoniou, Ioannis P. Vlahavas: A Defeasible Logic Reasoner for the Semantic Web. RuleML 2004: 49-64

Nick Bassiliades, Ioannis P. Vlahavas: R-DEVICE: A Deductive RDF Rule Language. RuleML 2004: 65-80

Grigorios Tsoumakas, Dimitris Vrakas, Nick Bassiliades, Ioannis P. Vlahavas: Using the k-Nearest Problems for Adaptive Multicriteria Planning. SETN 2004: 132-141

Ioannis Refanidis, Ioannis P. Vlahavas: Multiobjective heuristic state-space planning. Artif. Intell. 145(1-2): 1-32 (2003)

Stavros N. Demetriadis, A. Barbas, A. Molohides, George Palaigeorgiou, D. Psillos, Ioannis P. Vlahavas, Ioannis A. Tsoukalas, Andreas S. Pombortsis: "Cultures in negotiation": teachers' acceptance/resistance attitudes considering the infusion of technology into schools. Computers & Education 41(1): 19-37 (2003)

Nick Bassiliades, Ioannis P. Vlahavas, Ahmed K. Elmagarmid, Elias N. Houstis: InterBase-KB: Integrating a Knowledge Base System with a Multidatabase System for Data Warehousing. IEEE Trans. Knowl. Data Eng. 15(5): 1188-1205 (2003)

Nick Bassiliades, Ioannis P. Vlahavas, Demetrios G. Sampson: Using Logic for Querying XML Data. Web-Powered Databases 2003: 1-35

Dimitris Vrakas, Grigorios Tsoumakas, Nick Bassiliades, Ioannis P. Vlahavas: Learning Rules for Adaptive Planning. ICAPS 2003: 82-91

Nick Bassiliades, Ioannis P. Vlahavas: Capturing RDF Descriptive Semantics in an Object Oriented Knowledge Base System. WWW (Posters) 2003

Ioannis P. Vlahavas, Nick Bassiliades, Ilias Sakellariou, Martín Molina, Sascha Ossowski, Ivan Futó, Zoltán Pásztor, János Szeredi, Igor Velbitskiy, Sergey Yershov, Igor Netesin: ExperNet: An Intelligent Multiagent System for WAN Management. IEEE Intelligent Systems 17(1): 62-72 (2002)

Ioannis P. Vlahavas: MACLP: multi agent constraint logic programming. Inf. Sci. 144(1-4): 127-142 (2002)

Fotis Kokkoras, Haitao Jiang, Ioannis P. Vlahavas, Ahmed K. Elmagarmid, Elias N. Houstis, Walid G. Aref: Smart VideoText: a video data model based on conceptual graphs. Multimedia Syst. 8(4): 328-338 (2002)

Dimitris Vrakas, Ioannis P. Vlahavas: A Heuristic for Planning Based on Action Evaluation. AIMSA 2002: 61-70

Grigorios Tsoumakas, Ioannis P. Vlahavas: Effective Stacking of Distributed Classifiers. ECAI 2002: 340-344

Christos Berberidis, Walid G. Aref, Mikhail J. Atallah, Ioannis P. Vlahavas, Ahmed K. Elmagarmid: Multiple and Partial Periodicity Mining in Time Series Databases. ECAI 2002: 370-374

Christos Berberidis, Ioannis P. Vlahavas, Walid G. Aref, Mikhail J. Atallah, Ahmed K. Elmagarmid: On the Discovery of Weak Periodicities in Large Time Series. PKDD 2002: 51-61

Ioannis P. Vlahavas, Ilias Sakellariou, Ivan Futó, Zoltán Pásztor, János Szeredi: CSPCONS: A Communicating Sequential Prolog with Constraints. SETN 2002: 72-84

Nick Bassiliades, Ioannis P. Vlahavas: Intelligent Querying of Web Documents Using a Deductive XML Repository. SETN 2002: 437-448

Ioannis P. Vlahavas, Constantine D. Spyropoulos (Eds.): Methods and Applications of Artificial Intelligence, Second Hellenic Conference on AI, SETN 2002. Thessaloniki, Greece, April 11-12, 2002, Proceedings. Lecture Notes in Computer Science 2308, Springer 2002, isbn 3-540-43472-0

Ioannis Refanidis, Ioannis P. Vlahavas: The GRT Planner. AI Magazine 22(3): 63-66 (2001)

Ioannis Refanidis, Ioannis P. Vlahavas: The GRT Planning System: Backward Heuristic Construction in Forward State-Space Planning. J. Artif. Intell. Res. (JAIR) 15: 115-161 (2001)

Dimitris Vrakas, Ioannis Refanidis, Ioannis P. Vlahavas: Parallel planning via the distribution of operators. J. Exp. Theor. Artif. Intell. 13(3): 211-226 (2001)

Fotis Kokkoras, Demetrios G. Sampson, Ioannis P. Vlahavas: A Knowledge Based Approach on Educational Metadata Use. Panhellenic Conference on Informatics 2001: 201-216

Ioannis Stamelos, Ioannis P. Vlahavas, Ioannis Refanidis, Alexis Tsoukiàs: Knowledge based evaluation of software systems: a case study. Information & Software Technology 42(5): 333-345 (2000)

Nick Bassiliades, Ioannis P. Vlahavas, Ahmed K. Elmagarmid: E-DEVICE: An Extensible Active Knowledge Base System with Multiple Rule Type Support. IEEE Trans. Knowl. Data Eng. 12(5): 824-844 (2000)

Ioannis Refanidis, Ioannis P. Vlahavas: Exploiting State Constraints in Heuristic State-Space Planning. AIPS 2000: 363-370

Ioannis Refanidis, Ioannis P. Vlahavas: Heuristic Planning with Resources. ECAI 2000: 521-525

Ioannis Refanidis, Ioannis P. Vlahavas: The GRT Planner: New Results. Local Search for Planning and Scheduling 2000: 120-138

Ioannis P. Vlahavas, Ioannis Stamelos, Ioannis Refanidis, Alexis Tsoukiàs: ESSE: an expert system for software evaluation. Knowl.-Based Syst. 12(4): 183-197 (1999)

Ioannis P. Vlahavas, Petros Kefalas, Constantin Halatsis: OASys: an AND/OR parallel logic programming system. Parallel Computing 25(3): 321-336 (1999)

Panagiotis Linardis, Ioannis P. Vlahavas: PARCIS: a robust parallel VLSI circuit simulator. Simul. Pr. Theory 7(1): 91-103 (1999)

Ioannis Refanidis, Ioannis P. Vlahavas: GRT: A Domain Independent Heuristic for STRIPS Worlds Based on Greedy Regression Tables. ECP 1999: 347-359

Ioannis P. Vlahavas: Exploiting and-or parallelism in Prolog: The OASys computational model and abstract architecture. Journal of Systems and Software 43(1): 45-57 (1998)

Ioannis P. Vlahavas, Nick Bassiliades, Ilias Sakellariou, Martín Molina, Sascha Ossowski, Ivan Futó, Zoltán Pásztor, János Szeredi, Igor Velbitskiy, Sergey Yershov, Sergey Golub, Igor Netesin: System Architecture of a Distributed Expert System for the Management of a National Data Network. AIMSA 1998: 438-451

Nick Bassiliades, Ioannis P. Vlahavas: Processing Production Rules in DEVICE, and Active Knowledge Base System. Data Knowl. Eng. 24(2): 117-155 (1997)

Nick Bassiliades, Ioannis P. Vlahavas: DEVICE: Compiling production rules into event-driven rules using complex events. Information & Software Technology 39(5): 331-342 (1997)

Nick Bassiliades, Ioannis P. Vlahavas: Hierarchical Query Execution in a Parallel Object-Oriented Database System. Parallel Computing 22(7): 1017-1048 (1996)

Petros Kefalas, Ioannis P. Vlahavas: Multiple OR-Parallel Resolution: Meta-Level Control of Parallel Logic Programs. Euro-Par, Vol. I 1996: 694-703

Fotis Kokkoras, Ioannis P. Vlahavas: Comfresh: A Common Framework for Expert Systems and Hypertext. Inf. Process. Manage. 31(4): 593-604 (1995)

Nick Bassiliades, Ioannis P. Vlahavas: PRACTIC: A Concurrent Object Data Model for a Parallel Object-Oriented Database System. Inf. Sci. 86(1-3): 149-178 (1995)

N. Bassiliades, Ioannis P. Vlahavas: Constraint Checking in a Parallel Object-oriented Database System. Parallel Algorithms Appl. 5(1): 129-147 (1995)

Nick Bassiliades, Ioannis P. Vlahavas: A Non-Uniform Data Fragmentation Strategy for Parallel Main-Menory Database Systems. VLDB 1995: 370-381

Andreas S. Pombortsis, Ioannis P. Vlahavas: A contribution to the problem of avoiding congestion in multistage networks in the presence of unbalanced traffic. Journal of Systems and Software 26(3): 273-284 (1994)

Nick Bassiliades, Ioannis P. Vlahavas: Modelling Constraints with Exceptions in Object-Oriented Databases. ER 1994: 189-204

Andreas S. Pombortsis, Ioannis P. Vlahavas: Flow control and switching strategy for preventing congestion in multistage networks. Architecture and Protocols for High-Speed Networks 1993: 69-86

Ioannis P. Vlahavas, Petros Kefalas: An abstract prolog machine based on parallel resolution principle. Microprocessing and Microprogramming 35(1-5): 755-762 (1992)

Ioannis P. Vlahavas, Petros Kefalas: A parallel Prolog resolution based on multiple unifications. Parallel Computing 18(11): 1275-1283 (1992)

Ioannis P. Vlahavas, Constantin Halatsis: L-machine: A low-cost personal sequential inference machine. Journal of Systems and Software 9(3): 209-223 (1989)