ICS Publications - ISL

Conferences (53)

    Papers in Proceedings (full-paper reviewed)

  1. Efthymiou, V., Hassanzadeh, O., Rodriquez-Muro, M., & Christophides, V. (2017). Matching Web Tables with Knowledge Base Entities: From Entity Lookups to Entity Embeddings. ISWC 2017.
  2. Stefanidis, K., Christophides, V., & Efthymiou, V. (2017). Web-scale Blocking, Iterative and Progressive Entity Resolution.  ICDE 2017.
  3. Efthymiou, V., Stefanidis, K., & Christophides, V. (2015). Big Data Entity Resolution: From Highly to Somehow Similar Entity Descriptions in the WebIn Proceedings of 2015 International Conference on Big Data (IEEE BigData 2015), Santa Clara, CA, USA, Oct. 29 2015-Nov. 1 2015 (pp. 401-410). IEEE.
  4. Stefanidis, K., Efthymiou, V., & Herschel, M. , Christophides, V. (2014). Entity Resolution in the Web of Data (tutorial)In proceedings of the 23rd International World Wide Web Conference (WWW 2014), Seoul, Korea, 7-11 April 2014 (pp. 203-204). International World Wide Web Conferences Steering Committee (pdf).
  5. Seliniotaki, A., Tzagkarakis, G., Christophides, V., & Tsakalides, P. (2014). Stream Correlation Monitoring for Uncertainty-Aware Data Processing SystemsIn IEEE International Conference on Information, Intelligence, Systems and Applications, Chania-Greece, 07-09 July, 2014 (pp. 342-347). IEEE.
  6. Efthymiou, V., Stefanidis, K., & Christophides, V. (2014). Συσταδοποίηση Οντοτήτων Δεδομένων στον Παγκόσμιο Ιστό Χρησιμοποιώντας Σύμπλεγμα Υπολογιστών. HDMS 2014.
  7. Geerts, F., Karvounarakis, G., Christophides, V., & Fundulaki, I. (2013). Algebraic structures for capturing the provenance of SPARQL queriesICDT '13 Proceedings of the 16th International Conference on Database Theory, March 18-22, 2013 - Genoa, Italy, (pp. 153-164).
  8. Stefanidis, K., Efthymiou, V., & Herschel, M. , Christophides, V. (2013). Entity Resolution in the Web of Data (tutorial)ACM International Conference on Information and Knowledge Management (CIKM 2013), San Franscisco, CA, USA, October 27th - November 1st, 2013.
  9. Anagnostopoulos-Tsialiamanis, P., Sidirourgos, L., Fundulaki, I., Christophides, V., & Boncz, P. (2012). Heuristic-based Query Optimisation for SPARQLElke A. Rundensteiner, Volker Markl, Ioana Manolescu, Sihem Amer-Yahia, Felix Naumann, Ismail Ari (Eds.): 15th International Conference on Extending Database Technology, EDBT '12. Proceedings. ACM 2012, Berlin, Germany, March 27-30 (pp. 324-335). (978-1-4503-0790-1).
  10. Vouzoukidou, N., Amann, B., & Christophides, V. (2012). Processing Continuous Text Queries Featuring Non-Homogeneous Scoring FunctionsCIKM '12 Proceedings of the 21st ACM international conference on Information and knowledge management, Maui Hawaii, USA, October 29–November 2 (pp. 1065-1074). ACM New York, NY, USA ©2012 (978-1-4503-1156-4).
  11. Hmedhe, Z., Kourdounakis, H., Christophides, V., Mouza, C., Scholl, M., & Travers, N. (2012). Subscription Indexes for Web Syndication SystemsElke A. Rundensteiner, Volker Markl, Ioana Manolescu, Sihem Amer-Yahia, Felix Naumann, Ismail Ari (Eds.): 15th International Conference on Extending Database Technology, EDBT '12. Proceedings. ACM 2012,  Berlin, Germany, March 27-30 (pp. 312-323). (978-1-4503-0790-1).
  12. Hmedeh, Z., Vouzoukidou, N., Travers, N., Christophides, V., Mouza, C., & Scholl, M. (2011). Characterizing Web Syndication Behavior and ContentWISE'11 Proceedings of the 12th international conference on Web information system engineering , Sydney, Australia, October 13 – 14 (pp. 29-42). Springer.
  13. Roussakis, I., Flouris, G., & Christophides, V. (2011). Declarative Repairing Policies for Curated KBs. In Proceedings of the 10th Hellenic Data Management Symposium (HDMS-11), 2011, Athens 17-18.
  14. Creus, J., Amann, B., Christophides, V., Travers, N., & Vodislav , D. (2011). Optimizing large collections of continuous content-based RSS aggregation queries. 27èmes Journées Bases de Données Avancées (BDA), 24-27 Octobre, Rabat, Maroc.
  15. Theoharis, Y., Karvounarakis, G., Fundulaki, I., & Christophides, V. (2010). On provenance of queries on web data. Proceedings of the Hellenic Data Management Symposium, Agia Napa, Cyprus.
  16. Flouris, G., Fundulaki, I., Pediaditis, P., Theoharis, Y., & Christophides, V. (2009). Coloring RDF Triples to Capture Provenance. The Semantic Web - ISWC 2009, 8th International Semantic Web Conference, Chantilly, VA, USA, October 25-29 (pp. 196-212). (pdf).
  17. Papavasiliou, V., Flouris, G., Fundulaki, I., Kotzinos, D., & Christophides, V. (2009). On Detecting High-Level Changes in RDF/S KBs. The Semantic Web - ISWC 2009, 8th International Semantic Web Conference, Chantilly, VA, USA, October 25-29 (pp. 473-488). (pdf).
  18. Konstantinidis, G., Flouris, G., Antoniou, G., & Christophides, V. (2008). A Formal Approach for RDF/S Ontology EvolutionECAI 2008 - 18th European Conference on Artificial Intelligence, Patras, Greece, July 21-25 (pp. 70-74). IOS Press (pdf).
  19. Georgiadis, P., Kapantaidakis, I., Christophides, V., Nguer, E.M., & Spyratos, N. (2008). Efficient rewriting algorithms for preference queries2008 IEEE 24th International Conference on Data Engineering, ICDE '08, Cancun, 7 April 2008 through 12 April 2008 (pp. 1101-1110). (10844627; 9781424418374 (ISBN)).
  20. Zeginis, D., Tzitzikas, Y., & Christophides, V. (2008). On Computing Deltas of RDF/S Knowledge Bases. Proceedings of the 7th Hellenic Data Management Symposium (HDMS'2008), Heraklion, Greece, July 2008..
  21. Georgiadis, P., Christophides, V., & Spyratos, N. (2007). Designing personalized curricula based on student preferences. SIGDOC '07: 25th ACM International Conference on Design of Communication, El Paso, TX, 22 October 2007 through 24 October 2007 (pp. 55-62). (9781595935885 (ISBN)).
  22. Zeginis, D., Tzitzikas, Y., & Christophides, V. (2007). On the foundations of computing deltas between RDF models. 6th International Semantic Web Conference, ISWC 2007 and 2nd Asian Semantic Web Conference, ASWC 2007, Busan, 11 November 2007 through 15 November 2007 (vol. 4825 LNCS, pp. 637-651). (03029743; 3540762973 (ISBN); 9783540762973 (ISBN)).
  23. Theoharis, Y., Christophides, V., & Tzitzikas, Y. (2006). On Graph Features of Semantic Web Schemas. Proceedings of the 5th Hellenic Data Management Symposium (HDMS'2006), Thessaloniki, Greece, September 2006.
  24. Theoharis, Y., Christophides, V., & Karvounarakis, G. (2005). Benchmarking database representations of RDF/S stores. 4th International Semantic Web Conference, ISWC 2005, Galway, 6 November 2005 through 10 November 2005 (vol. 3729 LNCS, pp. 685-701). (03029743; 3540297545 (ISBN); 9783540297543 (ISBN)).
  25. Serfiotis, G., Koffina, I., Christophides, V., & Tannen, V. (2005). Containment and minimization of RDF/S query patterns. 4th International Semantic Web Conference, ISWC 2005, Galway, 6 November 2005 through 10 November 2005 (vol. 3729 LNCS, pp. 607-623). (03029743; 3540297545 (ISBN); 9783540297543 (ISBN)).
  26. Koffina, I., Serfiotis, G., Christophides, V., Tannen, V., & Deutsch, A. (2005). Integrating XML Data Sources using RDF/S Schemas: The ICS-FORTH Semantic Web Integration Middleware (SWIM). Semantic Interoperability and Integration.
  27. Kotzinos, D., Pediaditaki, S., Apostolidis, A., Athanasis, N., & Christophides, V. (2005). Online curriculum on the semantic Web: the CSD-UoC portal for peer-to-peer e-learning. WWW, (pp. 307-314).
  28. Magiridou, M., Sahtouris, S., Christophides, V., & Koubarakis, M. (2005). RUL: A declarative update language for RDF. 4th International Semantic Web Conference, ISWC 2005, Galway, 6 November 2005 through 10 November 2005 (vol. 3729 LNCS, pp. 506-521). (03029743; 3540297545 (ISBN); 9783540297543 (ISBN)).
  29. Athanasis, N., Christophides, V., & Kotzinos, D. (2004). Generating on the fly queries for the semantic web: The ICS-FORTH graphical RQL interface (GRQL). (vol. 3298, pp. 486-501). (03029743).
  30. Keenoy, K., Poulovassilis, A., Christophides, V., Rigaux, Ph., Papamarkos, G., Magkanaraki, A., Stratakis, M., Spyratos, N., & Wood, P.T. (2004). Personalisation Services for Self E-learning Networks. ICWE, Munich, Germany, July 26-30 (pp. 215-219).
  31. Karvounarakis, G., Magkanaraki, A., Alexaki, S., Christophides, V., Plexousakis, D., Scholl, M., & Tolle, K. (2004). RQL: A Functional Query Language for RDF. The Functional Approach to Data Management: Modelling, Analyzing and Integrating Heterogeneous Data, (pp. 435-465). Springer-Verlag.
  32. Houstis, C.E., Lalis, S., Christophides, V., Plexousakis, D., Vavalis, M., Pitikakis, M., Kritikos, K., & Smardas, A. (2003). A Data, Computation and Knowledge Grid the Case of the Arion System. In Proceedings of the International Conference on Enterprise Information Systems, Angers, France, April (pp. 359-365).
  33. Hull, R., Benedikt, M., Christophides, V., & Su, J. (2003). E-Services: A Look behind the Curtain. Twenty second ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Database Systems, PODS 2003, San Diego, CA, 9 June 2003 through 11 June 2003 (vol. 22, pp. 1-14).
  34. Christophides, V., Plexousakis, D., Scholl, M., & Tourtounis, S. (2003). On labeling schemes for the semantic web. WWW, Budapest, Hungary(pp. 544-555).
  35. Christophides, V., Plexousakis, D., Scholl, M., & Tourtounis, S. (2003). Optimizing Semantic Web Queries using Labeling Schemes. In Proceedings of the 2nd Hellenic Data Management Symposium, Athens, Greece, September.
  36. Magkanaraki, A., Tannen, V., Christophides, V., & Plexousakis, D. (2003). Viewing the Semantic Web through RVL lenses. (vol. 2870, pp. 96-112). (03029743).
  37. Magkanaraki, A., Alexaki, S., Christophides, V., & Plexousakis, D. (2002). Benchmarking RDF Schemas for the Semantic Web. International Semantic Web Conference, Sardinia, Italy, June 9-12 (pp. 132-146).
  38. Spyratos, N., Tzitzikas, Y., & Christophides, V. (2002). On Personalizing the Catalogs of Web Portals. FLAIRS Conference, Pensacola Beach, Florida, USA, May 14-16 (pp. 430-434).
  39. Karvounarakis, G., Alexaki, S., Christophides, V., Plexousakis, D., & Scholl, M. (2002). RQL: A Declarative Query Language for RDF. Hawaii, jan # ~01 (pp. 592-603).
  40. Christophides, V., Hull, R., & Kumar, A. (2001). Querying and Splicing of XML Workflows.  In Proc. of the Sixth International Conference on Cooperative Information Systems (CoopIS’01), Trento, Italy, September 5-7 .
  41. Karvounarakis, G., Christophides, V., Plexousakis, D., & Alexaki, S. (2001). Querying RDF Descriptions for Community Web Portals. BDA, 29 October- 2 November.
  42. Christophides, V., Cluet, S., & Simeon, J. (2000). On wrapping query languages and efficient XML integration. Dallas, Texas, USA, May 16-18 (vol. 29, pp. 141-152). (01635808).
  43. Velegrakis, Y., Christophides, V., & Constantopoulos, P. (1999). Declarative specification of Z39.50 wrappers using description logics. Paris, France, September 22-24 (vol. 1696, pp. 383-402).
  44. Christophides, V., Doerr, M., & Fundulaki, I. (1997). A semantic network approach to semi-structured documents repositories. Pisa, Italy, September 1–3 (pp. 305-324).
  45. Doerr, M., Christophides, V., & Fundulaki, I. (1997). The specialist seeks expert views - Managing digital folders in the Aquarelle projectIn Museums and the Web, 1997, Selected Papers from an International Conference, Los Angeles, CA, USA, 15-19 March (pp. 261-270).
      Poster presentations (abstract reviewed)

    1. Efthymiou, V., Stefanidis, K., & Christophides, V. (2016). Minoan ER: Progressive Entity Resolution in the Web of DataIn the proceedings of the 19th International Conference on Extending Database Technology, EDBT 2016, Bordeaux, France, March 15-16, 2016 (pp. 670-671).
    2. Christophides, V., Stefanidis, K., & Efthymiou, V. (2015). WebER: Resolving Entities in the WebIn the European Data Forum (EDF2015), Luxembourg, 16-17 November.
    3. Tzitzikas, Y., Christophides, V., Flouris, G., Kotzinos, D., Markkanen, H., Plexousakis, D., & Spyratos, N. (2006). Trialogical E-learning and emergent knowledge artifacts. 1st European Conference on Technology Enhanced Learning, EC-TEL 2006, Crete, 1 October 2006 through 4 October 2006 (vol. 4227 LNCS, pp. 703-708). (03029743; 3540457771 (ISBN); 9783540457770 (ISBN)).
    4. Kokkinidis, G., Sidirourgos, L., Christophides, V., Dalamagas, T., Sellis, T., & Vigias, S.D. (2005). P2P Digital Libraries. 9th European Conference on Research and Advanced Technology for Digital Libraries, Vienna, Austria, September 18-23.
              Edited Proceedings

            1. Christophides, V., Collard, M., & Gutierrez, C. (2008). Semantic Web, Ontologies and Databases, VLDB Workshop, SWDB-ODBIS 2007, Vienna, Austria, September 24, 2007, Revised Selected Papers. SWDB-ODBIS; Lecture Notes in Computer Science, Springer (978-3-540-70959-6).
            2. Bertino, E., Christodoulakis, S., Plexousakis, D., Christophides, V., Koubarakis, M., Bohm, K., & Ferrari, E. (2004). Advances in Database Technology - EDBT 2004, 9th International Conference on Extending Database Technology, Heraklion, Crete, Greece, March 14-18, 2004, Proceedings. EDBT; Lecture Notes in Computer Science, Springer (3-540-21200-0).
            3. Christophides, V., & Freire, J. (2003). International Workshop on Web and Databases, San Diego, California, June 12-13, 2003. WebDB.
            4. Keenoy, K., Poulovassilis, A., & Christophides, V. (2003). MMGPS, IST Workshop on Metadata Management in Grid and P2P Systems: Models, Services and Architectures, London, December 16, 2003. MMGPS; CEUR Workshop Proceedings, CEUR-WS.org.

              WorkShops (21)

                Papers in Proceedings (full-paper reviewed)

              1. Auer, S., Dalamagas, T., Parkinson, H., Bancilhon, F., Flouris, G., Sacharidis, D., Buneman, P., Kotzinos, D., Stavrakas, Y., Christophides, V., Papastefanatos, G., & Thiveos, K. (2012). Diachronic Linked Data: Towards Long-term Preservation of Structured Interrelated Information. In Proc. of the 1st Int. Workshop on Open Data (WOD), May 25, Nantes, France.
              2. Kleisarchaki, S., Kotzinos, D., Tsamardinos, I., & Christophides, V. (2012). Towards a Realistic Social Text Stream WorkbenchNikolaos Avouris, Evaggelia Pitoura (Eds.): Intersocial workshop on Online Social Neteworks Challenges and Perspectives (IWOSN), Proceedings.,  Patra, Greece, June 15.
              3. Flouris, G., Fundulaki, I., Pediaditis, P., Theoharis, Y., & Christophides, V. (2009). Capturing Provenance of RDF Triples through Colours. In Proceedings of the 8th Hellenic Data Management Symposium (HDMS-09), Athens, 31 August - 1 September.
              4. Pediaditis, P., Flouris, G., Fundulaki, I., & Christophides, V. (2009). On Explicit Provenance Management in RDF/S Graphs. First Workshop on the Theory and Practice of Provenance, San Francisco, CA, USA, February 23. (pdf).
              5. Konstantinidis, G., Flouris, G., Antoniou, G., & Christophides, V. (2008). On RDF/S ontology evolutionVLDB Workshop on the Semantic Web, Ontologies and Databases, SWDB-ODBIS 2007 [Revised Selected Papers], Vienna, 24 September 2007 through 24 September 2007 (vol. 5005 LNCS, pp. 21-42). (03029743; 3540709592 (ISBN); 9783540709596 (ISBN)).
              6. Theoharis, Y., Georgakopoulos, G.F., & Christophides, V. (2008). On the synthetic generation of semantic web schemasVLDB Workshop on the Semantic Web, Ontologies and Databases, SWDB-ODBIS 2007, Vienna, 24 September 2007 through 24 September 2007 (vol. 5005 LNCS, pp. 98-116). (03029743; 3540709592 (ISBN); 9783540709596 (ISBN)).
              7. Konstantinidis, G., Flouris, G., Antoniou, G., & Christophides, V. (2007). Ontology evolution: A framework and its application to RDF. Proceedings of the SWDB-ODBIS07: Joint ODBIS & SWDB workshop on Semantic Web, Ontologies, Databases. Colocated with VLDB2007, Vienna, Austria(pp. 238-245).
              8. Georgiadis, P., Christophides, V., & Spyratos, N. (2007). Preference-Based Queries for Course Sequencing. In Proceedings of the 10th DELOS Thematic Workshop on 'Personalized Access, ProfileManagement, and Context Awareness in Digital Libraries' (PersDL 2007, in conj. with the 11th Int'l Conference on User Modeling (UM2007), Corfu, Greece, 29-30 June. (pdf).
              9. Tzitzikas, Y., Christophides, V., Flouris, G., Kotzinos, D., Markkanen, H., Plexousakis, D., & Spyratos, N. (2006). Emergent Knowledge Artifacts for Supporting Trialogical E-Learning. In Proceedings of the 1st International Workshop on Building Technology Enhanced Learning solutions for Communities of Practice, TEL-CoPS 2006, Heraklion, Greece, October.
              10. Spyratos, N., & Christophides, V. (2006). Querying with preferences in a digital library. International Workshop - Federation over the Web, Dagstuhl, Castle, 1 May 2005 through 6 May 2005 (vol. 3847 LNAI, pp. 130-142). (03029743; 3540310185 (ISBN); 9783540310181 (ISBN)).
              11. Spyratos, N., Christophides, V., Georgiadis, P., & Nguer, M. (2006). Semantics and Pragmatics of Preference Queries in Digital Libraries. Proceedings of the International Workshop on Knowledge Media Science, Meiningen, Germany, October.
              12. Kokkinidis, G., & Christophides, V. (2004). Semantic query routing and processing in P2P database systems: The ICS-FORTH SQPeer middleware. (vol. 3268, pp. 486-495). (03029743).
              13. Christophides, V., Karvounarakis, G., Koffina, I., Kokkinidis, G., Magkanaraki, A., Plexousakis, D., Serfiotis, G., & Tannen, V. (2003). The ICS-FORTH SWIM: A Powerful Semantic Web Integration Middleware. SWDB, Berlin, Germany, September 7-8 (pp. 381-393).
              14. Houstis, C.E., Lalis, S., Christophides, V., Plexousakis, D., Vavalis, M., Pitikakis, M., Kritikos, K., Smardas, A., & Gikas, Ch. (2002). A Service Infrastructure for e-Science: The Case of the ARION SystemWES; Web Services, {E}-Business, and the Semantic Web, {CA}i{SE} 2002 International Workshop, {WES} 2002, Toronto, Canada, May 27-28, 2002, Revised Papers; Lecture Notes in Computer Science, Toronto, Canada, (vol. 2512, pp. 175-187). Springer (3-540-00198-0).
              15. Christophides, V., Hull, R., Karvounarakis, G., Kumar, A., Tong, G., & Xiong, M. (2001). Beyond Discrete E-Services: Composing Session-Oriented Services in Telecommunications. TES, Rome, Italy, September 14-15 (pp. 58-73).
              16. Alexaki, S., Christophides, V., Karvounarakis, G., & Plexousakis, D. (2001). On Storing Voluminous RDF Descriptions: The Case of Web Portal Catalogs. WebDB, (pp. 43-48).
              17. Alexaki, S., Christophides, V., Karvounarakis, G., Plexousakis, D., & Tolle, K. (2001). The ICS-FORTH RDFSuite: Managing Voluminous RDF Description Bases. SemWeb, Hong-Kong, May 1st (pp. 1-13).
              18. Christophides, V., Plexousakis, D., Karvounarakis, G., & Alexaki, S. (2000). Declarative Languages for Querying Portal Catalogs. DELOS Workshop: Information Seeking, Searching and Querying in Digital Libraries.
              19. Alexaki, S., Christophides, V., Karvounarakis, G., Plexousakis, D., Tolle, K., Amann, B., Fundulaki, I., Scholl, M., & Vercoustre, A.M. (2000). Managing RDF Metadata for Community Webs. ER (Workshops), Salt Lake, Utah, USA, October 9-12 (pp. 140-151).
              20. Christophides, V., Houstis, C.E., Lalis, S., & Tsalapata, H. (1999). Ontology-Driven Integration of Scientific Repositories. Israel, July (pp. 717-717).
              21. Christophides, V., Houstis, C.E., Nikolaou, Ch., Lalis, S., & Kapidakis, S. (1998). Open Scientific Data Repositories Architecture. Proceedings of the NSF Invitational Workshop on Distributed Information, Computation, and Process Management for Scientific and Engineering Environments (DICPM).

                            Books (11)

                              Whole Book

                            1. Christophides, V., Efthymiou, V., & Stefanidis, K. (2015).  Entity Resolution in the Web of DataSynthesis Lectures on The Semantic Web: Theory and Technology.  Morgan and Claypool.
                                Chapters (in book)

                              1. Richter, C., Simonenko, E., Sugibuchi, T., Spyratos, N., Babic, F., Wagner, J., Paralic, J., Racek, M., Damşa, C., & Christophides, V. (2012). Mirroring Tools for Practice TransformationCollaborative Knowledge Creation: Practices, Tools, Concepts.  Sense Publishers.
                              2. Richter, C., Allert, H., Tchoumatchenko, V., Furnadziev, I., Vasileva, T., Kotzinos, D., Flouris, G., & Christophides, V. (2012). Pragmatic Approach to Collaborative Semantic Modeling: The Visual Modeling (Language) EditorCollaborative Knowledge Creation: Practices, Tools, Concepts.  Sense Publishers.
                              3. Doerr, M., Kritsotaki, A., Kotzinos, D., & Christophides, V. (2012). Reference Ontology for Knowledge Creation ProcessesCollaborative Knowledge Creation: Practices, Tools, Concepts.  Sense Publishers.
                              4. Tzitzikas, Y., Marketakis, Y., & Christophides, V. (2011). Preservation of Intelligibility of Digital Objects. Advanced Digital Preservation.  Springer.
                              5. Christophides, V. (2009). Resource Description Framework (RDF) Schema (RDFS). Encyclopedia of Database Systems.  (pp. 2425 - 2428), Springer US.
                              6. Keenoy, K., Christophides, V., Papamarkos, G., Poulovassilis, A., Rigaux, Ph., Spyratos, N., & Wood, P.T. (2008). Personalisation Services for Self e-Learning Networks. The Learning Grid Handbook: Concepts, Technologies and Applications.  (pp. 157 - 172), IOS Press.
                              7. Kotzinos, D., Flouris, G., Tzitzikas, Y., Andreou, D., & Christophides, V. (2008). Supporting Evolution of Knowledge Artifacts in Web Based Learning Environments. Solutions and Innovations in Web-Based Technologies for Augmented Learning.  (IX) (pp. 142 - 167).
                              8. Kokkinidis, G., Sidirourgos, L., & Christophides, V. (2006). Query Processing in RDF/S-based P2P Database Systems. Semantic Web and Peer-to-Peer.  Springer-Verlag.
                              9. Antoniou, G., Christophides, V., & Plexousakis, D. (2005). Semantic Web Fundamentals. Encyclopedia of Information Science and Technology (V).  (pp. 2464 - 2468).
                              10. Karvounarakis, G., Magkanaraki, A., Alexaki, S., Christophides, V., Plexousakis, D., & Scholl, M. (2003). RQL: A Functional Query Language for RDF. in P. Gray et al. (eds), "The Functional Approach to Data Management: Modeling, Analyzing and Integrating Heterogeneous Data", Springer Verlag. .

                                    Periodicals (34)

                                      Journal Articles

                                    1. Efthymiou, V., Stefanidis, K., & Christophides, V. (2017). Benchmarking Blocking Algorithms for Web Entities. IEEE Transactions on Big Data (accepted, pre-print published in 2017).
                                    2. Geerts, F., Unger, T., Karvounarakis, G., Fundulaki, I., & Christophides, V. (2016). Algebraic Structures for Capturing the Provenance of SPARQL QueriesJournal of the ACM (JACM)63(1).
                                    3. Kleisarchaki, S., Kotzinos, D., Tsamardinos, I., & Christophides, V. (2013). A Methodological Framework for Statistical Analysis of Social Text StreamSpringer Series “Communications in Computer and Information Science”146, 101-110, Springer Berlin Heidelberg (978-3-642-40139-8 (print), 978-3-642-40140-4 (online)).
                                    4. Papavasileiou, V., Flouris, G., Fundulaki, I., Kotzinos, D., & Christophides, V. (2013). High-level change detection in RDF(S) KBs ACM Transactions on Database Systems38(1).
                                    5. Karvounarakis, G., Fundulaki, I., & Christophides, V. (2013). Provenance for Linked Data. , 8000, 366-381, Springer Berlin Heidelberg (978-3-642-41659-0 (Print) 978-3-642-41660-6 (Online)).
                                    6. Flouris, G., Konstantinidis, G., Antoniou, G., & Christophides, V. (2012). Formal Foundations for RDF/S KB EvolutionKnowledge and Information Systems (KAIS), Springer (electronic version: May 2012, and printed: January 2013, Vol. 34, No 1).
                                    7. Theoharis, Y., Georgakopoulos, G.F., & Christophides, V. (2012). PoweRGen: A power-law based generator of RDFS schemasInformation Systems37(4), 306-319, Elsevier.
                                    8. Zeginis, D., Tzitzikas, Y., & Christophides, V. (2011). On Computing Deltas of RDF/S Knowledge Bases. ACM Transactions on the Web (TWEB)5(3), 14.
                                    9. Theoharis, Y., Fundulaki, I., Karvounarakis, G., & Christophides, V. (2011). On Provenance of Queries on Semantic Web Data. IEEE Internet Computing15(1), 31-39.
                                    10. Sidirourgos, L., Kokkinidis, G., Dalamagas, T., Christophides, V., & Sellis, T. (2008). Indexing views to route queries in a PDMS. Journal of Distributed and Parallel Databases23(1), 45-68, (0926-8782).
                                    11. Theoharis, Y., Tzitzikas, Y., Kotzinos, D., & Christophides, V. (2008). On Graph Features of Semantic Web Schemas. IEEE Transactions on Knowledge and Data Engineering20(5), 692-702, (1041-4347).
                                    12. Tzitzikas, Y., Christophides, V., Flouris, G., Kotzinos, D., Markkanen, H., Plexousakis, D., & Spyratos, N. (2007). Emergent Knowledge Artifacts for Supporting Trialogical E-Learning:. International Journal of Web-based Learning and TeachIng Technologies2(3), 19-41, USA: IGI Global.
                                    13. Koffina, I., Serfiotis, G., Christophides, V., & Tannen, V. (2006). Mediating RDF/S Queries to Relational and XML Sources. Journal on semantic Web & Information System2(4), 68-91.
                                    14. Christophides, V., Karvounarakis, G., Plexousakis, D., Scholl, M., & Tourtounis, S. (2004). Optimizing taxonomic semantic web queries using labeling schemes. Web Semant.1(2), 207-228, (15708268), (pdf).
                                    15. Magkanaraki, A., Tannen, V., Christophides, V., & Plexousakis, D. (2004). Viewing the semantic web through RVL lenses. Web Semantics: Science, Services and Agents on the World Wide Web1(4), 359-375, (1570-8268), (pdf).
                                    16. Karvounarakis, G., Magkanaraki, A., Alexaki, S., Christophides, V., Plexousakis, D., Scholl, M., & Tolle, K. (2003). Querying the Semantic Web with RQL. Comput.Networks42(5 SPEC.), 617-640, (13891286), (pdf).
                                    17. Robie, J., Garshol, L.M., Newcomb, S., Biezinski, M., Fuchs, M., Miller, L., Brickley, D., Christophides, V., & Karvounarakis, G. (2001). The syntactic web: Syntax and semantics on the web. Extreme Markup Languages.
                                    18. Velegrakis, Y., Christophides, V., & Constantopoulos, P. (2000). On Z39.50 wrapping and description logics. International Journal on Digital Libraries3(3), 208-220, (pdf).
                                    19. Michard, A., Christophides, V., Scholl, M., Stapleton, M., Sutcliffe, D.C., & Vercoustre, A.M. (1998). The Aquarelle Resource Discovery System. Computer Networks30(13), 1185-1200, (pdf).
                                          Magazine article

                                        1. Creus, J., Amann, B., Christophides, V., Travers, N., & Vodislav , D. (2012). RoSeS: Un moteur de requêtes continues pour la syndication RSS à large-échelleJournal Ingénierie des systèmes d’information17(5), 57-85, Lavoisier.
                                        2. Keenoy, K., Poulovassilis, A., Christophides, V., Loizou, G., Kokkinidis, G., Samaras, G., & Spyratos, N. (2004). Report on the workshop on Metadata Management in Grid and Peer-to-Peer Systems, London, December 16 2003. SIGMOD Rec.33(3), 96-100, (01635808).
                                        3. Christophides, V., Karvounarakis, G., Magkanaraki, A., Plexousakis, D., & Tannen, V. (2003). The ICS-FORTH Semantic Web Integration Middleware (SWIM). IEEE Data Eng.Bull.26(4), 11-18.
                                        4. Constantopoulos, P., Christophides, V., & Plexousakis, D. (2001). Conference review: Semantic Web Workshop: : models, architectures and management. Intelligence12(2), 39-44, (pdf).
                                        5. Karvounarakis, G., Christophides, V., & Plexousakis, D. (2001). RQL: A declarative query language for RDF. D-Lib Mag.7(12), (10829873), (pdf).
                                        6. Constantopoulos, P., Christophides, V., & Plexousakis, D. (2001). Semantic Web Workshop: Models, Architectures and Management. SIGMOD Record30(3), 96-100, (pdf).
                                        7. Christophides, V., Hull, R., Kumar, A., & Simeon, J. (2001). Workflow Mediation using VorteXML. IEEE Data Eng.Bull.24(1), 40-45, (pdf).
                                        8. Christophides, V., Cluet, S., Moerkotte, G., & Simeon, J. (1998). Optimizing Generalized Path Expressions Using Full Text Indexes. Networking and Information Systems1(2-3), 177-194, (pdf).
                                              ERCIM News

                                            1. Tzitzikas, Y., & Christophides, V. (2010). Knowledge Management for Digital PreservationERCIM News80, 41-42, January 2010.
                                            2. Kotzinos, D., Christophides, V., & Ilomäki, L. (2007). The KP-Lab Framework for Knowledge Creation PracticesERCIM News71, 26-27, October 2007.
                                            3. Georgiades, P., Spyratos, N., Christophides, V., & Meghini, C. (2006). Personalizing Digital Library Access with Preference-Based QueriesERCIM News66, 34-35, July 2006.
                                            4. Alexaki, S., Athanasis, N., Christophides, V., Karvounarakis, G., Magkanaraki, A., Plexousakis, D., & Tolle, K. (2002). The ICS-FORTH RDFSuite: High-level Scalable Tools for the Semantic WebERCIM News51, 18-19, October 2002.
                                            5. Tolle, K., & Christophides, V. (2000). ICS-VRP: a Tool for Parsing and Validating RDF Metadata & SchemasERCIM News41, April 2000.
                                            6. Amann, B., Christophides, V., Fundulaki, I., Scholl, M., & Vercoustre, A.M. (1998). Intelligent Mediation of Cultural Information Sources. . .
                                            7. Christophides, V., Scholl, M., & Vercoustre, A.M. (1998). Querying Heterogeneous Semi-Structured DataERCIM News33, April 1998.

                                                Talks (1)

                                                    Invited Talks

                                                  1. Christophides, V. (2012). Vassilis Christophides: Continuous Queries over Text Streams . Seminar Talk at INRIA/LRI research group OAK, Orsay, December 18.

                                                    Technical & Research Reports (4)

                                                          ICS-FORTH Technical Reports

                                                        1. Theoharis, Y., Fundulaki, I., Karvounarakis, G., & Christophides, V. (2010). On Provenance of Queries on Linked Web Data. 2010.TR406_Provenance_Queries_Linked_Web_Data.pdf.
                                                        2. Papavassiliou, V., Flouris, G., Fundulaki, I., Kotzinos, D., & Christophides, V. (2009). Formalizing High-Level Change Detection for RDF/S KBs. 2009.TR398_Formalizing_High-Level_Change_Detection.pdf.
                                                        3. Magkanaraki, A., Karvounarakis, G., Ta, T.A., Christophides, V., & Plexousakis, D. (2002). Ontology Storage and Querying. 2002.TR308.Ontology_Storage_and_Querying.pdf.gz.
                                                        4. Karvounarakis, G., Christophides, V., & Plexousakis, D. (2000). Querying Semistructured (Meta) Data and Schemas on the Web: The case of RDF & RDFS. 2000.TR269.RDF.Querying.ps.gz.

                                                                Others (6)

                                                                      Miscellaneous

                                                                    1. Christophides, V., & Heflin, J. (2009). Editorial Special Issue on Scalability and Performance of Semantic Web Systems. 5 (2).
                                                                    2. Vigias, S.D., Dalamagas, T., Christophides, V., Sellis, T., & Dimitriou, A. (2007). Application of the peer-to-peer paradigm in digital libraries. 1st International DELOS Conference. Pisa, 13 February 2007 through 14 February 2007, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 4877 LNCS, (pp. 318-327).
                                                                    3. Giaretta, D., Fusco, L., Ross, S., Guercio, M., Hernandez, M., Meghini, C., Giammatteo, U.D., Bjelogrlic, Z., Naor, D., Boi, S., Terrugi, D., Ng, K., Briguglio, L., Christophides, V., Bachimont, B., Vinet, H., & Sedlak, P. (2007). CASPAR project and the validation of digital preservation techniquesProceedings of {PV-2007}: Ensuring the Long-Term Preservation and Value Adding to Scientific and Technical Data. 9-11 October, We{ss}ling, Germany.
                                                                    4. Christophides, V., & Buneman, P. (2007). Report on the First International Workshop on Database Preservation (PresDB"07). SIGMOD Rec., New York, NY, USA: ACM, 36 (3), (pp. 55-58).
                                                                    5. Keenoy, K., Poulovassilis, A., Papamarkos, G., Wood, P.T., Christophides, V., Magkanaraki, A., Stratakis, M., Rigaux, Ph., & Spyratos, N. (2005). Adaptive Personalisation in Self e-Learning NetworksFirst International Kaleidoscope Learning Grid SIG Workshop on Distributed e-Learning Environments. Napoli, Italy, March 14, First International Kaleidoscope Learning Grid SIG Workshop on Distributed e-Learning Environments.
                                                                        Others

                                                                      1. Christophides, V., Collard, M., & Gutierrez, C. (2008). Lecture Notes in Computer Science: Preface. VLDB Workshop on the Semantic Web, Ontologies and Databases,SWDB-ODBIS 2007. Lect. Notes Comput. Sci. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 5005 LNCS.
                                                                      Found: 130 publications
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