Address:

Database & Information Systems Group (DBIS),
Laboratory on Digital Libraries & Electronic Publishing,

Department of Archives, Library Science and Museology,

Faculty of Information Science and Informatics
Ionian University
Ioannou Theotoki 72, 49100 Corfu
GREECE

Phone: 26610 87427
E-mail: manolis@ionio.gr

   mgerg@otenet.gr

Url: http://www.ionio.gr/~manolis

Studies:

• Diploma in Physics, Department of Physics, University of Athens
• M.Sc. in Electronics and Computers, University of Athens
• Ph.D. in Computer Science, Department of Informatics, University of Athens

CV:

Short CV (in Greek)

Short CV (in English)

Research Interests:

• Deductive Databases and Query Languages
• XML and Semistructured Data
• Metadata for Libraries archives and Museums
• Information Integration and Metadata Interoperability
• Programming Languages and Logic Programming  
• Program and Query Transformation
• Semantic Web

Teaching Activities:

Undergraduate courses:

o    Databases

o    Informatics II

• Recent Topics in Database Systems
• Information Retrieval
• Knowledge Management
• Multimedia and Authoring Tools
• Metadata
• Data Encoding Standards for Archives, Libraries and Museums

Postgraduate courses:

• Knowledge Management
• Information Systems
• Electronic Publishing
• Metadata for Archives, Libraries and Museums

Professional Activities:

Conference Chair:

• 12th International Symposium on Languages for Intensional Programming (ISLIP' 99), Athens, Greece, 28-30 June 1999.

Special Track Chair:

• Co-chair of the Special Track on Metadata & Semantics for Cultural Collections & Applications. Part of the Fifth International Conference on Metadata and Semantic Research (MTSR 2011), Yasar University, October 12-14, 2011, Izmir, Turkey.
• Co-chair of the Special Track on Metadata & Semantics for Cultural Collections & Applications. Part of the Sixth International Conference on Metadata and Semantic Research (MTSR 2012), Cadiz, Spain, November 28-30, 2012.
• Chair of the Special Track on Metadata & Semantics for Cultural Collections & Applications. Part of the Seventh International Conference on Metadata and Semantic Research (MTSR 2013), Thessaloniki, Greece, November 19-22, 2013.

Special Session (Co-)Organizer:

• Big Data, Metadata and Knowledge. Special Session in  18th Panhellenic Conference on Informatics (PCI 2014), Athens, Greece, October 2-4, 2014.

Workshop Chair and Program Committee Member:

• 13th European Conference on Digital Libraries (ECDL 2009), Corfu, Greece, September 27 to October 2, 2009.

Organizing Committee Member:

• Fifth Panhellenic Logic Symposium (PLS' 2005), Athens, Greece, 25-28 July 2005.
• 8th Panhellenic Logic Symposium (PLS' 2011), Ioannina, Greece, 11-15 July 2011.

Program Committee Member:

• 4th International Conference on Distributed Communities on the Web (DCW' 2002), Sydney, Australia, 3-5 April, 2002. 
• 2nd Hellenic Conference on Artificial Intelligence (SETN'2002), Thessaloniki, Greece, April 11-12, 2002.
• 3rd Hellenic Conference on Artificial Intelligence (SETN'2004), Pythagorion, Samos, Greece, May 5-8, 2004.
• The First International Conference on Complex Medical Engineering (CME2005), Takamatsu, Japan, May 15-18, 2005.
• 4th Hellenic Conference on Artificial Intelligence (SETN' 06), Heraklion, Crete, Greece, 18-20 May, 2006.
• 2007 IEEE/ICME International Conference on Complex Medical Engineering-CME2007 , Beijing, China, May 23-27 2007.
• The Third Australasian Ontology Workshop (AOW' 07), Queensland, Australia, 2-6 December, 2007.
• 5th Hellenic Conference on Artificial Intelligence (SETN' 08), Syros, Greece,  2-4 October 2008.
• 3rd IEEE International Workshop on Engineering Semantic Agent Systems (ESAS 2008),Turku, Finland, July 28 - August 1, 2008.
• 1st IEEE International Workshop on Software Engineering for Context Aware Systems and Applications (SECASA2008), Turku, Finland, July 28 - August 1, 2008.
• Knowledge Representation Ontology Workshop (KROW 2008), Sydney, Australia, September, 2008. 
• 21st Australasian Joint Conference on Artificial Intelligence - AI-08,  Auckland, New Zealand, December 2008.
• Workshop on Logics for Intelligent Agents and Multi-Agent Systems (WLIAMAS 2008), Sydney, NSW, Australia, December 2008.
• 2009 IEEE/ICME International Conference on Complex Medical Engineering-CME2009 , Tempe, Arizona, U.S.A., April 9-11, 2009.
• 4th IEEE International Workshop on Engineering Semantic Agent Systems (ESAS 2009), Seattle, Washington, U.S.A., July 20 - 24, 2009.
• 2nd IEEE International Workshop on Software Engineering for Context Aware Systems and Applications (SECASA2009), Seattle, Washington, U.S.A., July 20 - 24, 2009.
• CASTA 2009: Workshop on Context-Aware Software Technology and Applications. Co-located with ESEC/FSE 2009, August 24-28, 2009, Amsterdam, The Netherlands.
• 20th International Conference on Database and Expert Systems Applications - DEXA 2009, Linz, Austria, August 31 - September 4, 2009.
• Third VLDB Workshop on Management of Uncertain Data (MUD 2009), Lyon, France, August 28, 2009.  
• The 2nd Workshop on Logics for Intelligent Agents and Multi-Agent Systems (WLIAMAS 2009), University of Milano Bicocca, Milano, Italy, 15-18 September 2009. In Conjunction with The 2009 IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT'09)  
• 22nd Australasian Joint Conference on Artificial Intelligence - AI-09,  Melbourne, Australia, 1-4 December, 2009.
• Eleventh International Conference on Information Integration and Web-based Applications & Services (iiWAS2009), Kuala Lumpur, Malaysia, December 14 - 16, 2009. 
• 6th Hellenic Conference on Artificial Intelligence (SETN 2010), Athens, Greece, 5-7 May 2010. 
• 5th IEEE Workshop on Engineering Semantic Agent Systems (ESAS 2010), Seoul, Corea, July 19- 23, 2010.  In conjunction with 34th Annual IEEE Computer Software and Applications Conference (COMPSAC  2010).
• 21st International Conference on Database and Expert Systems Applications - DEXA 2010, Bilbao, August 30-September 3, 2010.
• The 3nd Workshop on Logics for Intelligent Agents and Multi-Agent Systems (WLIAMAS 2010), August 31 - September 3, 2010, Toronto, Canada. In conjunction with The 2010 IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT'10).  
• Fourth VLDB Workshop on Management of Uncertain Data (MUD'10), Singapore, September 13th, 2010.  In conjunction with VLDB'10.
• 19th Hellenic Conference of Academic Libraries, Athens, 3-5 November, 2010.
• 12th International Conference on Information Integration and Web-based Applications & Services (iiWAS 2010), Paris, France, November 28-10, 2010.
• 23rd Australasian Joint Conference on Artificial Intelligence - AI-2010,  Adelaide, South Australia, 7-10 December, 2010.
• Fourth International Workshop on REsource Discovery (RED) 2011, Heraklion, Greece, May 29-June 2, 2011. In conjunction with 8th Extended Semantic Web Conference (ESWC 2011).
• 6th IEEE International Workshop on Engineering Semantic Agent Systems (ESAS 2011), Munich, Germany, July 18-22, 2011.  In conjunction with 35th Annual IEEE Computer Software and Applications Conference (COMPSAC  2011).
• 22st International Conference on Database and Expert Systems Applications - DEXA 2011, Toulouse, France, August 29 - September 2, 2011.
• Fifth VLDB Workshop on Management of Uncertain Data (MUD'11), August 29, 2011. Seattle, USA. In conjunction with VLDB'11.
• 15th International Database Engineering & Applications Symposium  (IDEAS 2011), Lisbon, Portugal, 28-30 September, 2011.
• 13th International Conference on Information Integration and Web-based Applications & Services (iiWAS 2011), Ho Chi Minh City, Vietnam, 5 - 7 December 2011.
• 24th Australasian Joint Conference on Artificial Intelligence - AI-2011, 5th-8th December 2011, Murdoch University, Western Australia.
• 7th Hellenic Conference on Artificial Intelligence (SETN' 12), Lamia, Greece, May 28-31, 2012.
• Fifth International Workshop on REsource Discovery (RED) 2012, Heraklion, Greece, May 27-31, 2012. In conjunction with 9th Extended Semantic Web Conference (ESWC 2012).
• AAAI-12 Special Track on Artificial Intelligence and the Web, Toronto, Ontario, Canada, July 22–26, 2012
• 23rd International Conference on Database and Expert Systems Applications - DEXA 2012, Vienna, Austria, September 3-7, 2012.
• Fourteenth International Conference on Information Integration and Web-based Applications & Services (iiWAS 2012), Bali, Indonesia, 3-5 December 2012.
• 25th Australasian Joint Conference on Artificial Intelligence - AI-2012, 4th-7th December 2012, Sydney, Australia.
• The Eighth Australasian Ontology Workshop (AOW 2012), Sydney, Australia, 4 December 2012.
• 10th Extended Semantic Web Conference (ESWC 2013), Montpellier, France, May 26-30, 2013.
• Sixth International Workshop on REsource Discovery (RED) 2013, Montpellier, France, May 26-30, 2013. In conjunction with 10th Extended Semantic Web Conference (ESWC 2013).
• 24th International Conference on Database and Expert Systems Applications - DEXA 2013, Prague, Czech Republic, August 26 - 30, 2013.
• KEOD 2013 - 5th International Conference on Knowledge Engineering and Ontology Development, Vilamoura, Algarve,  Portugal.  September 19-22, 2013. 
• 17th International Conference on Theory and Practice of Digital Libraries - TPDL 2013, Valletta, Malta, September 22-26, 2013.
• MTSR 2013 - 7th Metadata and Semantics Research Conference, Thessaloniki, Greece, November 19-22, 2013. 
• The 15th International Conference on Information Integration and Web-based Applications & Services (iiWAS 2013), Vienna, Austria, 2-4 December 2013.
• 26th Australasian Joint Conference on Artificial Intelligence - AI-2013, Dunedin, New Zealand from 3-6 December 2013.
• 8th Hellenic Conference on Artificial Intelligence (SETN' 14), Ioannina, Greece, May 15-17, 2014.
• 11th Extended Semantic Web Conference (ESWC 2014), Crete, Greece, May 25-29, 2014.
• 25th International Conference on Database and Expert Systems Applications - DEXA 2014, Munich, Germany, September 1 - 5, 2014.
• Digital Libraries 2014, ACM/IEEE Joint Conference on Digital Libraries (JCDL 2014), and International Conference on Theory and Practice of Digital Libraries (TPDL 2014), London, 8th-12th September 2014.
• 18th Panhellenic Conference on Informatics (PCI 2014), Athens, Greece, October 2-4, 2014.
• 6th International Conference on Knowledge Engineering and Ontology Development - KEOD 2014, Rome, Italy. October 14 - 16, 2014.
• MTSR 2014: 8th Metadata and Semantics Research Conference, Karlsruhe Institute of Technology (KIT) Germany, November 26-28, 2014.
• The 16th International Conference on Information Integration and Web-based Applications & Services (iiWAS 2014), Hanoi, Vietnam, 4 - 6 December 2014.
• Joint Conference on Digital Libraries 2015. Knoxville, Tennessee, USA, June 21-25, 2015.
• OBD 2015, The International Conference on Open and Big Data.  Rome, Italy, 24-26 August 2015.
• International Symposium on Foundations and Applications of Big Data Analytics- FAB 2015. Paris, France, August 27-28, 2015.
• 26th International Conference on Database and Expert Systems Applications - DEXA 2015, Valencia, Spain, September 1 - 4, 2015.
• MTSR 2015 - 9th Metadata and Semantics Research Conference. 9 - 11 September 2015, Manchester, UK.
• 19th  International Conference on Theory and Practice of Digital Libraries (TPDL 2015), Poznań, Poland, 14-18 September 2015.
• 19th Panhellenic Conference on Informatics (PCI 2015), Athens, Greece, 1st-3rd October 2015.
• 7th International Conference on Knowledge Engineering and Ontology Development - KEOD 2015, Lisbon, Portugal. 12-14 November, 2015.
• The 17th International Conference on Information Integration and Web-based Applications & Services (iiWAS 2015), Brussel, Belgium, 10 - 12 December 2015.  
• International Symposium on Big Data Management and Analytics (BIDMA 2016), Calgary, Canada, April 25-26, 2016.
• 9th Hellenic Conference on Artificial Intelligence (SETN' 16), Thessaloniki, Greece, May 18-20, 2016.
• ACM/IEEE-CS Joint Conference on Digital Libraries, 2016 (JCDL 2016), Rutgers University, Newark, NJ, USA. June 19-23, 2016.
• International Symposium on Foundations and Applications of Big Data Analytics (FAB 2016), UC Davis, Davis, CA, USA, Aug 20-21, 2016.
• OBD 2016, The International Conference on Open and Big Data.  Vienna, Austria, 22-24 August 2016.
• 27th International Conference on Database and Expert Systems Applications - DEXA 2016, Porto, Portugal, September 5 - 8, 2016.
• 8th International Conference on Knowledge Engineering and Ontology Development - KEOD 2016, Porto, Portugal. 9-11 November, 2016.

Publications:

Books:

• Manolis Gergatsoulis, Panos Rondogiannis (eds.). Intensional Programming II. World Scientific, 2000. (ISBN 981-02-4095-3).
• Maria Katzouraki, Manolis Gergatsoulis, Savros Kokkotos. PROgramming in LOGic: with Applications in Artificial Intelligence. Hellenic Computer Society, 1991.

Refereed Journal and Conference Publications (by year):

2015-

• Eleftherios Kalogeros, Manolis Gergatsoulis, Matthew Damigos. Redundancy in linked data partitioning for efficient query evaluation. It will be presented at The International Conference on Open and Big Data - OBD 2015.  Rome, Italy, 24-26 August 2015. 
• Foto Afrati, Matthew Damigos, Manolis Gergatsoulis. Lower Bounds on the Communication of XPath queries in MapReduce.  In Peter M. Fischer, Gustavo Alonso, Marcelo Arenas, and Floris Geerts (eds.), Proceedings of the Workshops of the EDBT/ICDT 2015 Joint Conference (EDBT/ICDT  2015) March 27, 2015, Brussels, Belgium. CEUR Workshop Proceedings, Volume 1330, pp. 38-41, 2015.     

2014

• Matthew Damigos, Manolis Gergatsoulis, Eleftherios Kalogeros. Distributed evaluation of XPath queries over large integrated XML data. In  S. K. Katsikas, M. Hatzopoulos, Th. Apostolopoulos, D. Anagnostopoulos, E. Carayiannis, Th. A. Varvarigou, M. Nikolaidou (Eds.): 18th Panhellenic Conference on Informatics, PCI '14, Athens, Greece, October 2-4, 2014. ACM 2014.   
• Christos Nomikos, Manolis Gergatsoulis, Eleftherios Kalogeros, Matthew Damigos. A Map-Reduce algorithm for querying linked data based on query decomposition into stars. In K. Selçuk Candan, Sihem Amer-Yahia, Nicole Schweikardt, Vassilis Christophides and Vincent Leroy (eds.), Proceedings of the Workshops of the EDBT/ICDT 2014 Joint Conference (EDBT/ICDT 2014), Athens, Greece, March 28, 2014,  CEUR Workshop Proceedings, Volume 1133, pp. 224-231, 2014.

[PDF].

• Foto Afrati, Matthew Damigos, Manolis Gergatsoulis. On Solving Efficiently the View Selection Problem under Bag and Bag-Set semantics. Information Systems,  42: 153-176, 2014. [PDF].

2013

• Manolis Gergatsoulis, Christos Nomikos, Eleftherios Kalogeros, and Matthew Damigos. An algorithm for querying linked data using Map-Reduce. In Abdelkader Hameurlain, Wenny Rahayu, David Taniar (eds.), Data Management in Cloud, Grid and P2P Systems - 6th International Conference, Globe 2013, Prague, Czech Republic, August 28-29, 2013. Proceedings. Lecture Notes in Computer Science, Vol. 8059, pp. 51-62, Springer-Verlag, 2013.

[PDF].

• Matthew Damigos, Manolis Gergatsoulis, and Stathis Plitsos. Distributed processing of XPath queries using Map-Reduce. In Barbara Catania, Tania Cerquitelli, Silvia Chiusano, Giovanna Guerrini, Mirko Kämpf, Alfons Kemper, Boris Novikov, Themis Palpanas, Jaroslav Pokorný, Athena Vakali (eds.), New Trends in Databases and Information Systems, 17th East European Conference on Advances in Databases and Information Systems, ADBIS 2013, Genoa, Italy, September 1-4, 2013. Advances in Intelligent Systems and Computing, Volume 241, pp. 69-77, Springer, 2014.

 [PDF]. [Citations].

• Nikolaos Fousteris, Manolis Gergatsoulis, and Yannis Stavrakas. MXML Path-based Storage and Ordered-based Context Manipulation". In Hendrik Decker, Lenka Lhotská, Sebastian Link, Josef Basl, A Min Tjoa (eds.), Database and Expert Systems Applications - 24th International Conference, DEXA 2013, Prague, Czech Republic, August 26-29, 2013. Proceedings, Part II, Lecture Notes in Computer Science, Vol. 8056, pp. 203-212, Springer-Verlag, 2013.

[PDF].

• Manolis Gergatsoulis, Lina Bountouri, Panorea Gaitanou, Christos Papatheodorou. On the integration of cultural metadata schemas using CIDOC Conceptual Reference Model. Submitted for publication.

2012

• Panorea Gaitanou, Lina Bountouri, Manolis Gergatsoulis. Automatic Generation of Crosswalks through CIDOC CRM. In J. M. Dodero, M. Palomo-Duarte, P. Karampiperis (eds.), 6th Research Conference, MTSR 2012, Cádiz, Spain, November 28-30, 2012. Proceedings, Communications in Computer and Information Science, pages. 264-275, Springer 2012. [PDF].
  [Citations].
• Panorea Gaitanou, Manolis Gergatsoulis. Defining a semantic mapping of VRA Core 4.0 to the CIDOC Conceptual Reference Model. International Journal of Metadata, Semantics and Ontologies, 7(2):140-156, 2012.

[PDF].

• Nikolaos Fousteris, Manolis Gergatsoulis, and Yannis Stavrakas. Path-based MXML Storage and Querying. Proceedings of the Second Workshop on Digital Information Management, pp. 51-65, Corfu, Greece, April 25-26, 2012.

2011

• Lina Bountouri, Manolis Gergatsoulis. The Semantic Mapping of Archival Metadata to the CIDOC CRM ontology. Journal of Archival Organization, 9(3&4):174-207, 2011. [PDF]
  [Citations].
•  Foto Afrati, Matthew Damigos, Manolis Gergatsoulis. Union Rewritings for XPath fragments. In Bipin C. Desai, Isabel F. Cruz, Jorge Bernardino (Eds.): 15th International Database Engineering and Applications Symposium (IDEAS 2011), September 21 - 27, 2011, Lisbon, Portugal. Pages 43-51, ACM 2011. [abstract].
  (Accepted 15.38%)

[PDF].
[Citations].

• Panorea Gaitanou, Manolis Gergatsoulis. A semantic mapping of VRA Core 4.0 to the CIDOC Conceptual Reference Model. In E. García-Barriocanal, Z. Cebeci, M. C. Okur, A. Öztürk (eds.), Metadata and Semantic Research, 5th International Conference MTSR 2011, Izmir, Turkey, October 12-14, 2011, Proceedings, Communications in Computer and Information Science, Vol. 240, pp. 387-399, Springer 2011. [abstract].

[PDF].

• Foto Afrati, Matthew Damigos, Manolis Gergatsoulis. Rewriting real conjunctive queries using viewsets of minimal-size. In Proceedings of the 8th Panhellenic Logic Symposium, Ioannina, Greece, July 4-8 2011. [abstract].

[PDF].

• Lina Bountouri, Manolis Gergatsoulis. Mapping Encoded Archival Description to CIDOC CRM. In Proceedings of the First Workshop on Digital Information Management, pp. 8-25, Corfu, Greece, March 30-31, 2011. [PDF].
  [Citations].
• Panorea Gaitanou, Manolis Gergatsoulis. Mapping VRA Core 4.0 to the CIDOC/CRM ontology. In Proceedings of the First Workshop on Digital Information Management, pp. 26-38, Corfu, Greece, March 30-31, 2011. [PDF].
  [Citations].
• Nikolaos Fousteris, Manolis Gergatsoulis, Yannis Stavrakas. MXML Storage and the problem of manipulation of context. In Proceedings of the First Workshop on Digital Information Management, pp. 45-60, Corfu, Greece, March 30-31, 2011. [PDF].

2010

• Lina Bountouri, Christos Papatheodorou, Manolis Gergatsoulis. Modelling the Public Sector Information through CIDOC Conceptual Reference Model. In  R. Meersman, T. Dillon and P. Herrero (eds.), On the Move to Meaningful Internet Systems: OTM 2010 Workshops (6th International Workshop on Ontology Content (OnToContent 2010)). Crete, Greece, October 25 - 29, 2010. Lecture Notes in Computer Science, Vol.  6428, pp. 404-413 , Springer-Verlag, 2010. [abstract]. [PDF].
  [Citations].
• Manolis Gergatsoulis, Lina Bountouri, Panorea Gaitanou, Christos Papatheodorou. Query transformation in a CIDOC CRM based cultural metadata integration environment. In M. Lalmas, J. Jose, A. Rauber, F. Sebastiani and I. Frommholz (eds.), Research and Advanced Technology for Digital Libraries  14th European Conference, ECDL 2010, Glasgow, UK, September 6-10, 2010. Proceedings. Lecture Notes in Computer Science, 2010, Vol. 6273, pp. 38-45, Springer, 2010. [abstract]. [PDF].

(Accepted 35.29%)[Citations].

• Foto Afrati, Matthew Damigos, Manolis Gergatsoulis. Query Containment under Bag and Bag-set Semantics. Information Processing Letters, 110(10):360-369, April 2010. [abstract]. [PDF].
  [Citations].
• Manolis Gergatsoulis, Lina Bountouri, Panorea Gaitanou, Christos Papatheodorou. Mapping Cultural Metadata Schemas to CIDOC Conceptual Reference Model. In S. Konstantopoulos et al. (eds.), Proceedings of the 6th Hellenic Conference on Artificial Intelligence. Athens, Greece, 4-7 May, 2010. Lecture Notes in Artificial Intelligence, Vol. 6040, pp. 321–326, Springer-Verlag, 2010. [abstract].[PDF].

2009

• Manolis Gergatsoulis, Pantelis D. Lilis, Irene Lourdi, Christos Papatheodorou. Representing Context-Dependent Information in Cultural Collections. International Journal of Semantic Computing, 3(2):255-276, June 2009. [abstract].

[PDF].

• Lina Bountouri, Manolis Gergatsoulis. Interoperability between archival and bibliographic metadata: an EAD to MODS crosswalk. Journal of Library Metadata, 9(1&2):98-133, 2009. [abstract]. [PDF].
  [Citations].
• Lina Bountouri, Manolis Gergatsoulis, Christos Papatheodorou. Integrating Cultural Heritage Information Sources. Presented at the First workshop on 'Large Scale and Federated Information Spaces' organized by the ERCIM-DIS working group, Paris France, May 27th 2009.
  Available at: http://www.ercim-dis.org/ercim_dis_09.pdf. [abstract].
  [Citations].

·         Foto Afrati, Rada Chirkova, Manolis Gergatsoulis, Benny Kimelfeld, Vassia Pavlaki, Yehoshua Sagiv. On Rewriting XPath Queries using Views. In M. Kersten, B. Novikov, J. Teubner, V. Polutin, and S. Manegold (eds.), Advances in Database Technology - EDBT 2009, Proceedings of the 12th International Conference on Extending Database Technology, pp. 168-179, Saint Petersburg, Russia, March 24-26, ACM 2009. [abstract], [PDF].
(Accepted 22.55%) [Citations].

2008

• Nikolaos Fousteris, Yannis Stavrakas, Manolis Gergatsoulis. Multidimensional XPath. In Gabriele Kotsis, David Taniar, Eric Pardede, and Ismail Khalil Ibrahim (eds.), Proceedings of the 10th International Conference on Information Integration and Web-based Applications & Services (iiWAS 2008), pp. 162-169, Linz, Austria, November 24-26, ACM 2008. [abstract], [PDF].
  [Citations].
• Foto Afrati, Matthew Damigos, Manolis Gergatsoulis. On solving efficiently the View Selection Problem under Bag-semantics. In Malu Castellanos, Umesh Dayal, and Timos Sellis (eds.), Business Intelligence for the Real-Time Enterprise, Second International Workshop, BIRTE 2008, Auckland, New Zealand, August 2008, Revised Selected Papers, Lecture Notes in Business Information Processing, Vol. 27, pp. 12-28, Springer 2009.   [abstract], [PDF].
  [Citations].
• Nikolaos Fousteris, Manolis Gergatsoulis, Yannis Stavrakas. Updating Multidimensional XML documents. International Journal of Web Information Systems, 4(2):142-164, 2008. [abstract] [PDF].
  [Citations].

2007

• Thomais Stasinopoulou, Lina Bountouri, Constantia Kakali, Irene Lourdi, Christos Papatheodorou, Martin Doerr, Manolis Gergatsoulis. Ontology-based Metadata Integration in the Cultural Heritage Domain. In D.H.-L. Goh, I. Sølvberg, E. Rasmussen, and T.H. Cao (eds.), Asian Digital Libraries - Looking Back 10 Years and Forging New Frontiers. 10th International Conference on Asian Digital Libraries, ICADL 2007, Hanoi, Vietnam, December 10-13, 2007, Proceedings. Lecture Notes in Computer Science, Vol. 4822, pp. 165-175, Springer-Verlag, 2007. [abstract], [PDF].
  (Accepted 26.62%)

 [Citations].

• Nikolaos Fousteris, Manolis Gergatsoulis, Yannis Stavrakas. Updating Multidimensional XML documents. In Gabriele Kotsis, David Taniar, Eric Pardede, and Ismail Khalil Ibrahim (eds.), Proceedings of the 9th International Conference on Information Integration and Web-based Applications & Services (iiWAS2007), pp. 257-266, Jakarta, Indonesia, December 3-5, 2007.  [abstract], [PDF].
  (Accepted 28%) 
• Lina Bountouri, Manolis Gergatsoulis. Interoperability between archival and bibliographic metadata (poster). In Proceedings of the First International Workshop on Cultural Heritage on the Semantic Web, pp. 107-108, Busan, Korea, 12 November, 2007.

[abstract].

• Nikolaos Fousteris, Yannis Stavrakas, Manolis Gergatsoulis. Storing-updating and querying Multidimensional XML documents using relational databases. In Pedro Isaías, Miguel Baptista Nunes and João Barroso (eds.), Proceedings of the IADIS International Conference WWW/INTERNET 2007, Vol. I, pp. 288-298, Vila Real, Portugal, October 5-8, 2007.  [abstract], [PDF].

(Accepted 21%) 

• Nikolaos Fousteris, Manolis Gergatsoulis, Yannis Stavrakas. Storing Multidimensional XML documents in Relational Databases. In R. Wagner, N. Revell, and G. Pernul (eds.), Database and Expert Systems Applications (DEXA' 2007), International Conference, Regensburg, Germany, 3-7 September, 2007, Proceedings, Lecture Notes in Computer Science, Vol. 4653, pp. 23-33, Springer-Verlag, 2007. [abstract], [PDF].

(Accepted 32.21%) 

[Citations].

·         Constantia Kakali, Irene Lourdi, Thomais Stasinopoulou, Lina Bountouri, Christos Papatheodorou, Martin Doerr, Manolis Gergatsoulis. Integrating Dublin Core metadata for cultural heritage collections using ontologies. In Proceedings of the International Conference on Dublin Core and Metadata Applications 2007, pp. 128-139, Singapore, August 27-31, 2007. [abstract], [PDF].

[Citations].

• Foto Afrati, Rada Chirkova, Manolis Gergatsoulis, Vassia Pavlaki. View Selection for Real Conjunctive Queries. Acta Informatica, 44(5):289-321, September 2007. [abstract]. [PDF].

[Citations].

2006

• Petros Potikas, Panos Rondogiannis, Manolis Gergatsoulis. A Value-propagating Transformation Technique for Datalog Programs Based on Non-deterministic Constructs. Fundamenta Informaticae, 72(4):485-527, August 2006. [abstract]. [PDF]. [Citations].
• Foto Afrati, Rada Chirkova, Manolis Gergatsoulis, Vassia Pavlaki. Finding Equivalent Rewritings in the Presence of Arithmetic Comparisons. In Y. E. Ioannidis, M. H. Scholl, J. W. Schmidt, F. Matthes, M. Hatzopoulos, K. Böhm, A. Kemper, T. Grust, and C. Böhm (eds.), Advances in Database Technology - EDBT 2006, 10th International Conference on Extending Database Technology, Munich, Germany, March 26-31, 2006, Proceedings. Lecture Notes in Computer Science, Vol. 3896, pp. 942-960, Springer-Verlag, 2006. [abstract], [PDF].
  (Accepted 15.91%)   [Citations].

·         Lina Bountouri, Manolis Gergatsoulis. Ontology – based Semantic Integration. Ιn Proceedings of the 15th Pan-Hellenic Academic Libraries Conference, pages 110-123, Patra, Greece,  1-3 November, 2006. (in Greek).  [PDF].

[Citations].

·         Irene Lourdi, Pantelis D. Lilis, Manolis Gergatsoulis. Representing and manipulating time-depended information in cultural collections. Ιn Proceedings of the 15th Pan-Hellenic Academic Libraries Conference, pages 96-108, Patra, Greece, 1-3 November, 2006. (in Greek).

·         Panorea Gaitanou, Manolis Gergatsoulis. Ontology management: a thorough study of main issues and presentation of existent ontology libraries. Ιn Proceedings of the 15th Pan-Hellenic Academic Libraries Conference, pages 136-150, Patra, Greece, 1-3 November, 2006. (In Greek).

[Citations].

2005

• Pantelis Lilis, Irene Lourdi, Chistos Papatheodorou, Manolis Gergatsoulis. A metadata model for representing time-dependent information in cultural collections. In Salvador Sanchez-Alonso (ed.), Advances in Metadata Research, Proceedings of First on-line Conference on Metadata and Semantics Research (MTSR'05), pp. 1-12, 21-30 November, 2005, Rinton Press, 2006. [abstract]. [Citations].

·         Manolis Gergatsoulis, Pantelis Lilis. Multidimensional RDF. In Robert Meersman, and Zahir Tari (eds.), On the Move to Meaningful Internet Systems 2005: CoopIS, DOA, and ODBASE 2005, Agia Napa, Cyprus, October 31 - November 4, 2005, Proceedings Part II. Lecture Notes in Computer Science, Vol. 3761, pp. 1188-1205, Springer-Verlag, 2005. [abstract], [PDF].
(Accepted 21.9%) 

[Citations].

·         Christos Nomikos, Panos Rondogiannis, Manolis Gergatsoulis. Temporal Stratification Tests for Linear and Branching-time Deductive Databases. Theoretical Computer Science, 342(2-3):382-415, September 2005. [abstract]. [PDF].

[Citations].

• Foto Afrati, Rada Chirkova, Manolis Gergatsoulis, Vassia Pavlaki. Designing Views to Efficiently Answer Real SQL Queries. In Jean-Daniel Zucker, Lorenza Saitta (eds.), Abstraction, Reformulation and Approximation, 6th International Symposium, SARA 2005, Airth Castle, Scotland, UK, July 2005, Proceedings. Lecture Notes in Artificial Intelligence, Vol. 3607, pp. 332-346, Springer-Verlag, 2005.  [abstract], [PDF].
  [Citations].

2004

• Manolis Gergatsoulis, Christos Nomikos. A proof procedure for temporal logic programming. International Journal of Foundations of Computer Science, 15(2):417-443, April 2004. [abstract]. [PDF].
  [Citations]
• Yannis Stavrakas, Manolis Gergatsoulis, Christos Doulkeridis, Vassilis Zafeiris. Representing and Querying Histories of Semistructured Databases using Multidimensional OEM. Information Systems, 29(6):461-482, September 2004. [abstract]. [PDF].
  [Citations].
• Petros Potikas, Manolis Gergatsoulis, Panos Rondogiannis. Using Branching-time Logic to Optimize an Extended Class of Datalog Programs. In G. Vouros and Th. Panayiotopoulos (eds.), Proceedings of the 3rd Hellenic Conference on Artificial Intelligence (SETN'04), (Companion Volume), pp. 197-206, Samos, Greece, 5-8 May, 2004. [abstract], [PDF].

2003

• Foto Afrati, Manolis Gergatsoulis, Francesca Toni. Linearizability on Datalog Programs. Theoretical Computer Science, 308(1-3):199-226, November 2003. [PDF].
  [Citations]
• Manolis Gergatsoulis, Yannis Stavrakas. Representing Changes in XML Documents using Dimensions. In Z. Bellahsene, A. B. Chaudhri, E. Rahm, M. Rys, and R. Unland (eds.), Database and XML Technologies, Proceedings of the Fifth International XML Database Symposium, XSym 2003, Berlin, Germany, September 8, 2003. Lecture Notes in Computer Science, Vol. 2824, pp. 208-222, Springer-Verlag, 2003. [abstract],

[PDF].
(Accepted 27.7%)  [ Citations]

2002

·         Yannis Stavrakas, Manolis Gergatsoulis, Christos Doulkeridis, Vassilis Zafeiris. Accommodating Changes in Semistructured Databases Using Multidimensional OEM. In Y. Manolopoulos and P. Navat (eds.), Advances in Databases and Information Systems, Proceedings of the Fifth East-European Conference (ADBIS' 2002), Bratislava, Slovakia, September 8-11, 2002. Lecture Notes in Computer Science, Volume 2435, pp. 360-373, Springer-Verlag, 2002. [PDF].
(Accepted 21.7%) [Citations]

• Vassilis Zafeiris, Christos Doulkeridis, Yannis Stavrakas, Manolis Gergatsoulis. An Infrastructure for Manipulating Multidimensional Semistructured Data. In Proceedings of the Hellenic Data Management Symposium (HDMS'02), Athens, Greece, July 22-23, 2002. [PDF].
  (Accepted 42.9%) [Citations]
• Yannis Stavrakas, Manolis Gergatsoulis. Multidimensional Semistructured Data: Representing Context-Dependent Information on the Web. In A. B. Pidduck, J. Mylopoulos, C. Woo, and T. Oszu (eds.), Advanced Information Systems Engineering, 14th International Conference (CAISE' 2002), Toronto, Ontario, Canada, May 27-31, 2002, Proceedings. Lecture Notes in Computer Science, Vol. 2348, pp. 183-199, Springer-Verlag, 2002. [PDF].
  (Accepted 24.3%) [Citations].

2001

• Manolis Gergatsoulis, Panos Rondogiannis, Themis Panayiotopoulos. Temporal Disjunctive Logic Programming. New Generation Computing, 19(1):87-100, 2001. [PDF] [Citations].

·         Panos Rondogiannis, Manolis Gergatsoulis. The Branching-time Transformation Technique for Chain Datalog Programs. Journal of Intelligent Information Systems, 17(1):71-94, November 2001. [PDF].
[Citations].

• Theodoros Mitakos, Manolis Gergatsoulis, Yannis Stavrakas, Efstathios V. Ioannidis. Representing Time-Dependent Information in Multidimensional XML. Journal of Computing and Information Technology, 9(3):233-238, September 2001. [PDF].
  [Citations].
• Manolis Gergatsoulis. Temporal and modal logic programming languages. In Allen Kent, and James G. Williams (Executive Editots), Encyclopedia of Microcomputers, Vol. 27, Supplement 6, pp. 393-408, Marcel Dekker, Inc., New York, 2001. [PDF].
  [Citations].
• Manolis Gergatsoulis, Yannis Stavrakas, Dimitris Karteris. Incorporating Dimensions in XML and DTD. In H. C. Mayr, J. Lazansky, G. Quirchmayr and P. Vogel (eds.), Database and Expert Systems Applications (DEXA' 2001), International Conference, Munich, Germany, September 2001, Proceedings, Lecture Notes in Computer Science, Vol. 2113, pp. 646-656, Springer-Verlag, 2001. [PDF].
  (Accepted 53.14%) [Citations].
• Manolis Gergatsoulis, Yannis Stavrakas, Dimitris Karteris, Athina Mouzaki, Dimitris Sterpis. A web-based system for handling multidimensional information through MXML. In A. Caplinskas and J. Eder (eds.), Advances in Databases and Information Systems, Proceedings of the Fifth East-European Conference (ADBIS' 2001), Vilnius, Lithuania, September 25-28, 2001. Lecture Notes in Computer Science, Vol. 2151, pp. 352-365, Springer-Verlag, 2001. [PDF].
  (Accepted 30.5%) [ Citations].
• Theodoros Mitakos, Manolis Gergatsoulis, Yannis Stavrakas, Efstathios V. Ioannidis. Representing Time-Dependent Information in Multidimensional XML. In Damir Kalpic and Vesna Hljuz Dobric (eds.), Proceedings of the 23rd International Conference Information Technology Interfaces (ITI'2001), pp. 111-116, Pula, Croatia, June 19-22, 2001. [PDF].
  [Citations].
• Christos Nomikos, Panos Rondogiannis, Manolis Gergatsoulis. A Stratification Test for Temporal Logic Programs. In Proceedings of the 3rd Panhellenic Logic Symposium, Crete, Greece, July 17-21, 2001. [PDF]
• Petros Potikas, Panos Rondogiannis, Manolis Gergatsoulis. A transformation Technique for Datalog Programs Based on Non-Deterministic Constructs. In A. Pettorossi (ed.), Logic-Based Program Synthesis and Transformation, 11th International Workshop, LOPSTR 2001, Paphos, Cyprus, November 28-30, Selected Papers, Lecture Notes in Computer Science, Vol. 2372, pp. 25-45, 2002. A preliminary version also appears in the Pre-Proceedings of LOPSTR'01, pp. 1-8. [PDF (of full version)].

2000

• Manolis Gergatsoulis. Extensions of the branching-time logic programming language Cactus. In Manolis Gergatsoulis, and P. Rondogiannis (eds.), Intensional Programming II, pp. 117-132, World Scientific, 2000. [PDF] [Citations].

·         Yannis Stavrakas, Manolis Gergatsoulis, Panos Rondogiannis. Multidimensional XML. In P. Kropf, G. Babin, J. Plaice and H. Unger (eds.), Distributed Communities on the Web (DCW 2000), 3rd International Workshop, Quebec City, Canada, 19-21 June, 2000. Lecture Notes in Computer Science, Vol. 1830, pp. 100-109, Springer-Verlag, 2000. 

[PDF] (Accepted 63.3%) [Citations].

• Yannis Stavrakas, Manolis Gergatsoulis, Theodoros Mitakos. Representing Context-Dependent Information Using Multidimensional XML (short paper). In J. Borbinha and T. Baker (eds.), Research and Advanced Technology for Digital Libraries, Proceedings of the 4th European Conference ECDL'2000), Lisbon, Portugal, September 2000, Lecture Notes in Computer Science, Vol. 1923, pp. 368-371, Springer-Verlag, 2000. [PDF].
  [Citations].

1999

• Foto Afrati, Manolis Gergatsoulis, Theodoros Kavalieros. Answering Queries Using Materialized Views with Disjunctions. In C. Beeri, and P. Buneman (eds.), Proceedings of the 7th International Conference on Database Theory (ICDT’99), Jerusalem, Israel, 10-12 January, 1999. Lecture Notes in Computer Science, Vol. 1540, pp. 435-452, Springer Verlag, 1999.  [PDF].
   (Accepted 29.2%) [ Citations].

1998

• Panos Rondogiannis, Manolis Gergatsoulis, Themis Panayiotopoulos Branching-Time Logic Programming: The Language Cactus and its Applications. Computer Languages, 24(3):155-178, October 1998. [PDF], 
  [Citations].
• Manolis Gergatsoulis, Costas Spyropoulos. Transformations Techniques for Branching-time Logic programs. In W. W. Wadge (ed.), Proceedings of the 11th International Symposium on Languages for Intensional Programming (ISLIP'98), pp. 65-80, Palo Alto, California, May 7-9, 1998. [PDF]
  [Citations].
• Panos Rondogiannis, Manolis Gergatsoulis. The Intensional Implementation Technique for Chain Datalog Programs. In W. W. Wadge (ed.), Proceedings of the 11th International Symposium on Languages for Intensional Programming (ISLIP'98), pp. 55-64, Palo Alto, California, May 7-9, 1998. [PDF]
  [Citations].
• Manolis Gergatsoulis, Panos Rondogiannis. Temporal and Multidimensional Logic Programming Languages. In Proceedings of the 2nd Conference on Technology and Automation, pp. 223-227, Thessaloniki, Greece, October 2-3, 1998.

1997

• Manolis Gergatsoulis. Unfold/fold transformations for Disjunctive Logic programs. Information Processing Letters, 62(1):23-29, April 1997. [PDF]
  [Citations].
• Manolis Gergatsoulis, Panos Rondogiannis, Themis Panayiotopoulos. Proof Procedures for Branching time Logic Programs. In W. W. Wadge (ed.), Proceedings of the 10th International Symposium on Languages for Intensional Programming (ISLIP'97), pp. 12-26,Victoria, BC Canada, May 15-17, 1997. [abstract], [PDF]
• Panos Rondogiannis, Manolis Gergatsoulis, Themis Panayiotopoulos. Cactus: A Branching-time Logic Programming Language. In D. M. Gabbay, R. Kruse and H. J. Ohlbach (eds.), Qualitative and Quantitative Practical Reasoning, First International Joint Conference on Qualitative and Quantitative Practical Reasoning (ECSQARU/FAPR'97), Bad Honnef, Germany, June 9-12, 1997, Proceedings. Lecture Notes in Artificial Intelligence, Vol. 1244, pp. 511-524, Springer Verlag, 1997. [PDF]
  [Citations].

1996

• Foto Afrati, Manolis Gergatsoulis, Maria Katzouraki. On Transformations into Linear Database Logic Programs. In D. Bjorner, M. Broy, I. V. Pottosin (eds.), Perspectives of systems Informatics, Second International Andrei Ershov Memorial Conference, Akademgorodok, Novosibirsk, Russia, June 25-28, 1996, Lecture Notes in Computer Science, Vol. 1181, pp. 433-444, Springer-Verlag, 1996. [PDF].
  (Accepted 34.6%) [Citations].
• Manolis Gergatsoulis, Panos Rondogiannis, Themis Panayiotopoulos Disjunctive Cronolog. In M. Chacravarty, Y Guo, and T. Ida (eds.), Proceedings of the JICSLP'96 Post-Conference Workshop on "Multi-Paradigm Logic Programming", pp. 129-136, Bonn, Germany, 5-6 September, 1996. [abstract], [PDF]
   [Citations].
• Manolis Gergatsoulis. Logic-based Programming Languages. In Proceedings of the 1st Symposium on Artificial Intelligence (SETN’96), pp. 50-54, 1996.

·         Nikos Gaitanis, Maria Katzouraki, Manolis Gergatsoulis. Fast and efficient multilingual alphanumeric ordering systems. In Proceedings of the Andrei Ershov Second International Memorial Conference "Perspectives on systems Informatics" (PSI'96), pp. 250-255, Novosibirsk, Akademgorodok, June 25-28, 1996. [PDF]
(Accepted 65.3%)

1995

• Themis Panayiotopoulos, Manolis Gergatsoulis. A Prolog-like temporal reasoning system. In M. H. Hamza (ed.), Proceedings of the 13th IASTED International Conference on Applied Informatics, pp. 123-126, Innsbruck, Austria, February 21-23, 1995.  [PDF], 
  [Citations]
• Themis Panayiotopoulos, Manolis Gergatsoulis. Intelligent Information Processing using TRLi. In N. Revell, A. Min Tjoa (eds.), Sixth International Conference and Workshop on “Data Base and Expert Systems Applications (DEXA' 95)”, Workshop Proceedings, pp., 494-501, London, UK, September 4-8, 1995. [PDF].
  (Accepted 40%) [Citations]

·         Maria Katzouraki, Maria Samarakou, Maria Grigoriadou, Manolis Gergatsoulis, Panos Kostarakis. NEFELI: An Intelligent control system for renewable energy sources. In Proceedings of the Symposium on Industrial Applications of Prolog (INAP'95), pp. 111-117, Tokyo, Japan, 19-20 October, 1995.

• Maria Katzouraki, Manolis Gergatsoulis, Panos Kostarakis. An Intelligent Environment for solving Elliptic Partial Differential Equations. In A. S. Alekseev, N. S. Bakhvalov (eds.), International Conference on Advanced Mathematics: Computations and Applications (AMCA-95), pp. 667-674, Novosibirsk, Russia, June 20-24, NCC Publisher, 1995.

1994

• Manolis Gergatsoulis, Maria Katzouraki. Unfold/fold Transformations for definite clause Programs. In M. Hermenegildo, and J. Penjam (eds.), Proceedings of the International Conference on Programming Language Implementation and Logic Programming (PLILP' 94), Lecture Notes in Computer Science, Vol. 844, pp. 340-354, Springer-Verlag, 1994. [abstract], [PDF].
  (Accepted 40.3%)  [Citations]
• Manolis Gergatsoulis, Maria Katzouraki. An extension of Tamaki and Sato's Unfold/fold Transformations. In Elias Lipitakis (ed.), Proceedings of the Second Hellenic European Conference on Mathematics and Informatics (HERMIS'94), Vol. II, pp. 887-896, Athens, 1994.

1993

• Manolis Gergatsoulis, Maria Katzouraki. Program Transformations for Non-linear recursive Logic Programs. In Vlatko Ceric and Vesna Hljuz Dobric (eds.), Proceedings of the 15th International Conference “Information Technology Interfaces” (ITI-93), pp. 155-160, Pula, Croatia, June 15-18, 1993. [abstract],  [PDF]
• Manolis Gergatsoulis, Maria Katzouraki. Improving the efficiency of Logic Programs through transformations. In Proceedings of the 4th Panhellenic Conference on Informatics, Vol. I, pp. 275-286, Patra, Greece, 1993. (In Greek). [PDF]

1992

• Manolis Gergatsoulis, Maria Katzouraki. A transformation for tupling generalization of Logic Programs. In Proceedings of the Canadian Conference on Electrical and Computer Engineering (CCECE-92), Toronto, Ontario, September 13-16, Vol. II, 1992. 

1991

·         Costas Halatsis, Maria Katzouraki, Michalis Hatzopoulos, Panayiotis Stamatopoulos, Izambo Karali, Costas Mourlas, Manolis Gergatsoulis, Evangelos Pelecanos. PETINA: PErsonalized Tourist INformation Advisor. In Proceedings of the 3rd Panhellenic Conference on Informatics, Vol. 2, pp. 590-605, Athens, Greece, Hellenic Computer Society 1991. [PDF] 

[Citations].

• Costas Halatsis, Maria Katzouraki, Costas Mourlas, Manolis Gergatsoulis. ElipSys Language Extensions to Support Numerical and Real-Time Applications. In Proceedings of the 3rd Panhellenic Conference on Informatics, Vol. 1, pp. 69-86, Athens, Greece, 1991. [PDF]

1988

• Manolis Gergatsoulis, Maria Katzouraki. D-Prolog: An implementation of Prolog. In Proceedings of the 2nd Panhellenic Conference on Informatics, Vol. 2, pp. 418-426, Thessaloniki, Greece, Hellenic Computer Society, 1988 (in Greek).

Links:

• Links to co-authors: Foto Afrati, Rada Chirkova, Matthew Damigos, Martin Doerr, Christos Doulkeridis, Constantia Kakali, Irene Lourdi, Christos Nomikos, Themis Panayiotopoulos, Christos Papatheodorou, Vassia Pavlaki, Petros Potikas

, Panos Rondogiannis, Thomais Stasinopoulou, Yannis Stavrakas, Francesca Toni, Vassilis Zafeiris.

• Phd Students: Lina Bountouri, Nikos Fousteris, Panorea Gaitanou, Eleftherios Kalogeros.
• Database & Information Systems Group (DBIS).
• Laboratory on Digital Libraries and Electronic Publishing.
• Hellenic Artificial Intelligence Society (ΕΕΤΝ)

Partial list of CITATIONS on my articles from

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Last updated: January 2016.