Δημοσιεύσεις

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συγγρ., επιβλέπων, ή editor
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Συνέδρια/Workshops

Exposing Points of Interest as Linked Geospatial Data. Kostas Patroumpas, Dimitrios Skoutas, Georgios Mandilaras, Giorgos Giannopoulos, Spiros Athanasiou. Symposium on Spatial and Temporal Databases (SSTD 2019), 2019 Full text
Merging RDF Characteristic Sets to Optimize SPARQL Queries. M, Meimaris, G. Papastefanatos. 13th International Workshop on Information Search, Integration, and Personalization, 9-10 May, 2019, Heraklion, 2019
Extended Characteristic Sets: Graph Indexing for SPARQL Query Optimization. Marios Meimaris, George Papastefanatos, Nikos Mamoulis, Ioannis Anagnostopoulos. Data Engineering (ICDE), 2017 IEEE 33rd International Conference on, pp. 497-508. IEEE, 2017, 2017 Full text
Distance-Based Triple Reordering for SPARQL Query Optimization. Marios Meimaris, George Papastefanatos. Data Engineering (ICDE), 2017 IEEE 33rd International Conference on, pp. 1559-1562. IEEE, 2017, 2017 Full text
graphVizdb: A Scalable Platform for Interactive Large Graph Visualization. N. Bikakis, J. Liagouris, M. Krommyda, G. Papastefanatos, T.Sellis. In 32nd IEEE International Conference on Data Engineering(ICDE 2016) - Demo, Helsinki, Finland, May 2016, 2016 Full text
A Flexible Framework for Understanding the Dynamics of Evolving RDF Datasets. Yannis Roussakis, Ioannis Chrysakis, Kostas Stefanidis, Giorgos Flouris and Yannis Stavrakas. The 14th Hellenic Data Management Symposium (HDMS 2016), Athens-Greece, July 28-29, 2016
OpenAIRE LOD services: Scholarly Communication Data as Linked Data. Giorgos Alexiou, Sahar Vahdati, Christoph Lange, George Papastefanatos, Steffen Lohmann. Semantics, Analytics, Visualisation: Enhancing Scholarly Data Workshop (SAVE-SD 2016) co-located with the 25th International World Wide Web Conference (WWW 2016) April 11, 2016 - Montreal, Canada, 2016 Full text
The EvoGen Benchmark Suite for Evolving RDF Data. Marios Meimaris, George Papastefanatos. 2nd Workshop on Managing the Evolution and Preservation of the Data Web (MEPDaW 2016) co-located with 13th European Semantic Web Conference (ESWC 2016), Heraklion, Crete, Greece, May 30th, 2016, 2016 Full text
Exploration and Visualization in the Web of Big Linked Data: A Survey of the State of the Art. Nikos Bikakis and Timos Sellis. 6th International Workshop on Linked Web Data Management (LWDM), 2016 Full text
Double Chain-Star: an RDF indexing scheme for fast processing of SPARQL joins. Marios Meimaris, George Papastefanatos. 19th International Conference on Extending Database Technology, EDBT 2016, Bordeaux, France, March 15-16, 2016 Full text
Efficient Computation of Containment and Complementarity in RDF Data Cubes. Marios Meimaris, George Papastefanatos, Panos Vassiliadis, Ioannis Anagnostopoulos. 19th International Conference on Extending Database Technology, EDBT 2016, Bordeaux, France, March 15-16, 2016 Full text
EvoGen: a Generator for Synthetic Versioned RDF. Marios Meimaris . In DIACHRON 2016 (collocated with EDBT 2016), 2016 Full text
A Language for Defining and Detecting Interrelated Complex Changes on RDF(S) Knowledge Bases. Theodora Galani, George Papastefanatos, Yannis Stavrakas. In 18th International Conference on Enterprise Information Systems (ICEIS 2016), 25-28 April 2016, 2016
RDF Keyword Search based on Keywords-To-SPARQL Translation. Katerina Gkirtzou, George Papastefanatos, Theodore Dalamagas. 1st International Workshop on Novel Web Search Interfaces and Systems, NWSearch 2015 (with CIKM15), Melbourne, Australia, October 23, 2015. , 2015 Full text
An Archiving System for Managing Evolution in the Data Web. Marios Meimaris, George Papastefanatos, Christos Pateritsas. MEPDaW First Diachron Workshop (hosted by ESWC 2015), June 2015 , 2015 Full text
Towards Scalable Visual Exploration of Very Large RDF Graphs. Nikos Bikakis, John Liagouris, Maria Kromida, George Papastefanatos, and Timos Sellis. 12th Extended Semantic Web Conference (ESWC 2015), 2015 Full text
RDF Resource Search and Exploration with LinkZoo. Marios Meimaris, George Alexiou, Katerina Gkirtzou, George Papastefanatos, Theodore Dalamagas. In DATA 2015 pp. 232-239, 2015 Full text
A Flexible Framework for Understanding the Dynamics of Evolving RDF Datasets. Yannis Roussakis, Ioannis Chrysakis, Kostas Stefanidis, Giorgos Flouris and Yannis Stavrakas. The 14th International Semantic Web Conference (ISWC 2015), October 11-15, 2015, 2015
Supporting Complex Changes in RDF(S) Knowledge Bases. Theodora Galani, Yannis Stavrakas, George Papastefanatos, and Giorgos Flouris. MEPDaW First Diachron Workshop (hosted by ESWC 2015), June 2015, 2015 Full text
Keywords-To-SPARQL translation for RDF data search and exploration. Katerina Gkirtzou, Kostis Karozos, Vassilis Vassalos and Theodore Dalamagas. TPDL 2015, 2015
Towards a methodology for publishing Linked Open Statistical Data. Irene Petrou, Marios Meimaris, George Papastefanatos. Samos 2014 Summit on ICT-enabled Governance, June 30 – July 5, 2014, Samos, Greece. , 2014 Full text
Supporting SPARQL Update Queries in RDF-XML Integration. Bikakis Nikos, Tsinaraki Chrisa, Stavrakantonakis Ioannis, Christodoulakis Stavros. 13th International Semantic Web Conference (ISWC '14), 2014 Full text
Publishing Diachronic Life Science Linked Data. Katerina Gkirtzou, Thanasis Vergoulis, Artemis Hatzigeorgiou, Timos Sellis, Theodore Dalamagas. SWAT4LS 2014, 2014 Full text
rdf:SynopsViz: A Framework for Hierarchical Linked Data Visual Exploration and Analysis. Nikos Bikakis, Melina Skourla, George Papastefanatos. 11th Extended Semantic Web Conference (ESWC2014) – Demo Track, Anissaras, Crete, Greece, May 2014, 2014 Full text
LinkZoo: A linked data platform for collaborative management of heterogeneous resources. Marios Meimaris, George Alexiou, George Papastefanatos. 11th Extended Semantic Web Conference (ESWC2014) – Demo Track, Anissaras, Crete, Greece, May 2014, 2014 Full text
Containment and Complementarity Relationships in Multidimensional Linked Open Data. Marios Meimaris, George Papastefanatos. In Semantic Statistics (SEMSTATS) 2014, collocated with ISWC 2014, electronic proceedings in CEUR-WS.org, 2014 Full text
Insights in Global Public Spending. Michalis Vafopoulos, Marios Meimaris, Jose Maria Alvarez Rodriguez, Ioannis Xidias, Michalis Klonaras, Giorgos Vafeiadis. In I-SEMANTICS 2013 Proceedings of the 9th International Conference on Semantic Systems, pp. 135-139, 2014 Full text
Personalizing keyword search on RDF data. Giorgos Giannopoulos, Evmorfia Biliri and Timos Sellis. TPDL 2013: 272-278, 2013 Full text
Challenges and Opportunities in the Evolving Data web. George Papastefanatos. 1st International Workshop on Modeling and Management of Big Data (MoBiD ), November 13, 2013, Hong Kong, 2013
RDivF: Diversifying Keyword Search on RDF Graphs. • Nikos Bikakis, Giorgos Giannopoulos, John Liagouris, Dimitrios Skoutas, Theodore Dalamagas, and Timos Sellis. 17th International Conference on Theory and Practice of Digital Libraries (TPDL '13), 2013 Full text
Publishing Census as Linked Open Data. A Case Study. Irene Petrou , George Papastefanatos, Theodore Dalamagas . 2nd International Workshop on Open Data (WOD13), 2013
SPARQL-RW: Transparent Query Access over Mapped RDF Data Sources. Makris Konstantinos, Bikakis Nikos, Gioldasis Nektarios, Christodoulakis Stavros. Proceedings of the 15th International Conference on Extending Database Technology (EDBT '12), 2012 Full text
Optimizing Query Shortcuts in RDF Databases. Vicky Dritsou, Panos Constantopoulos, Antonios Deligiannakis, Yannis Kotidis. 8th Extended Semantic Web Conference (ESWC 2011), Creete, Greece, May 2011, 2011
Shortcut Selection in RDF Databases. Vicky Dritsou, Panos Constantopoulos, Antonios Deligiannakis, Yannis Kotidis. ICDE Workshop on Data Engineering meets the Semantic Web (DESWeb 2011), Hannover, Germany, April 2011, 2011
Adaptive Natural Language Interaction. S. Konstantopoulos, A. Tegos, D. Bilidas, I. Androutsopoulos, G. Lampouras, P. Malakasiotis, C. Matheson and O. Deroo. System demonstration, 12th Conference of the European Chapter of the Association for Computational Linguistics (EACL 2009), Athens, Greece, 2009., 2009 Full text
An Open-Source Natural Language Generator for OWL Ontologies and its Use in Protege and Second Life. D. Galanis, G. Karakatsiotis, G. Lampouras and I. Androutsopoulos. System demonstration, 12th Conference of the European Chapter of the Association for Computational Linguistics (EACL 2009), Athens, Greece, 2009., 2009 Full text
INDIGO: Interaction with Personality and Dialogue Enabled Robots. S. Konstantopoulos, I. Androutsopoulos, H. Baltzakis, V. Karkaletsis, C. Matheson, A. Tegos and P. Trahanias. System demonstration, 18th European Conference on Artificial Intelligence (ECAI 2008), Patras, Greece, 2008, 2008 Full text
NaturalOWL: Generating Texts from OWL Ontologies in Protege and in Second Life. G. Karakatsiotis, D. Galanis, G. Lampouras and I. Androutsopoulos. System demonstration, 18th European Conference on Artificial Intelligence (ECAI 2008), Patras, Greece, 2008., 2008 Full text
Building an Adaptive Museum Gallery in Second Life. J. Oberlander, G. Karakatsiotis, A. Isard and I. Androutsopoulos. Proceedings of Museums and the Web, Montreal, Quebec, Canada, 2008., 2008 Full text
A Conversant Robotic Guide to Art Collections. D. Vogiatzis, D. Galanis, V. Karkaletsis, I. Androutsopoulos and C.D. Spyropoulos. Proceedings of the 2nd Workshop on Language Technology for Cultural Heritage Data, Language Resources and Evaluation Conference (LREC 2008), Marrakech, Morocco, 2008., 2008 Full text

Περιοδικά

Computational Methods and Optimizations for Containment and Complementarity in Web Data Cubes. M. Meimaris, G. Papastefanatos, P. Vassiliadis, I. Anagnostopoulos. Information Systems 75: 56-74 (2018)., 2018 Full text
A Query Language for Multi Version Data Web Archives. Marios Meimaris, George Papastefanatos, Stratis Viglas, Yannis Stavrakas, Christos Pateritsas, Ioannis Anagnostopoulos. Expert Systems 33(4): 383-404 (2016), 2016 Full text
A Hierarchical Aggregation Framework for Efficient Multilevel Visual Exploration and Analysis. Nikos Bikakis, George Papastefanatos, Melina Skourla, Timos Sellis. Semantic Web Journal (SWJ) vol. Preprint, no. Preprint, pp. 1-41, 2016, 2016 Full text
Towards a methodology for publishing Linked Open Statistical Data. Irene Petrou, Marios Meimaris, George Papastefanatos. eJournal of eDemocracy and Open Government (JeDEM), Vol 6, No 1 (2014), 2014 Full text
Publishing Greek Census Data as Linked Open Data. Irene Petrou, George Papastefanatos . ERCIM News 2014(96), 2014 Full text
Public spending as LOD: the case of Greece. Michalis Vafopoulos, Marios Meimaris, Ioannis Anagnostopoulos, Agis Papantoniou, Ioannis Xidias, Giorgos Alexiou, Giorgos Vafeiadis, Michalis Klonaras, Vassili Loumos. In Semantic Web Journal, available at SSRN 2233998, 2014 Full text
The SPARQL2XQuery Interoperability Framework. Bikakis Nikos, Tsinaraki Chrisa, Stavrakantonakis Ioannis, Gioldasis Nektarios, Christodoulakis Stavros. World Wide Web Journal (to appear), 2013 Full text

Τεχνικές Αναφορές

Efficient Identification of Implicit Facts in Incomplete OWL Knowledge Bases. John Liagouris and Manolis Terrovitis. Technical Report TR-IMIS-2014-1, 2014 Full text

Διδακτορικές Διατριβές

Methods on retrieving sources and data from the Web, for supporting scientific innovation. Giorgos Giannopoulos. National Technical University of Athens, Greece, 2013 Full text

Διπλωματικές Εργασίες

Techniques for the integration of semantic geospatial data. Thomas Maroulis. Diploma Thesis, School of Electrical and Computer Engineering, National Technical University of Athens, Greece, 2013 Full text

Βιβλία

The XML and Semantic Web Worlds: Technologies, Interoperability and Integration. A survey of the State of the Art. Bikakis Nikos, Tsinaraki Chrisa, Gioldasis Nektarios, Stavrakantonakis Ioannis, Christodoulakis Stavros. Semantic Hyper/Multi-media Adaptation: Schemes and Applications, Springer 2013, 2013 Full text