Επιστημονικές Δημοσιεύσεις

Οι δημοσιεύσεις των μελών του εργαστηρίου σε διεθνή επιστημονικά περιοδικά και συνέδρια από το το 2010 μέχρι τις μέρες μας με χρονολογική σειρά.

Διεθνή Περιοδικά (Refereed)

  1. Eleftherios Kalogeros, Manolis Gergatsoulis and Matthew Damigos. Document-based RDF storage method for parallel evaluation of basic graph pattern queries. International Journal of Metadata, Semantics and Ontologies, 14(1):63–80, 2020. doi: 10.1504/IJMSO.2020.107798.
  2. Christos Papatheodorou. On cultural heritage metadata. International Journal of Metadata, Semantics and Ontologies, 7(3):157-161, 2012.
  3. 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.
  4. 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.
  5. Giannis Tsakonas, Christos Papatheodorou. An ontological representation of the digital library evaluation domain. Journal of the American Society of Information Science and Technology, 62(8): 1577–1593, 2011.
  6. Foto Afrati, Matthew Damigos, Manolis Gergatsoulis. Query Containment under Bag and Bag-set Semantics. Information Processing Letters, 110(10):360-369, 2010.
  7. Constantia Kakali, Christos Papatheodorou. Exploitation of folksonomies in subject analysis. Library & Information Science Research, 32(3): 192-202, 2010.
  8. Panos Constantopoulos, Costis Dallas, Ion Androutsopoulos, Stavros Angelis, Antonis Deligiannakis, Dimitris Gavrilis, Yannis Kotidis, Christos Papatheodorou. DCC&U: An Extended Digital Curation Lifecycle Model. International Journal of Digital Curation, 4(1): 34-45, 2009.
  9. Spyridon Veronikis, Dimitris Gavrilis, Kyriaki Zoutsou, Christos Papatheodorou. Retrieving Information from Hybrid Spaces Using Handhelds. International Journal on Advances in Systems and Measurements, 2(1): 84-96, 2009.
  10. 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.
  11. Irene Lourdi, Christos Papatheodorou, Martin Doerr. Semantic Integration of Collection Description: Combining CIDOC/CRM and Dublin Core Collections Application Profile. D-Lib Magazine, 15(7/8), 2009.
  12. 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. 
  13. Lina Bountouri, Christos Papatheodorou, Vasilis Soulikias, Mathios Stratis. Metadata Interoperability in Public Sector Information. Journal of Information Science, 35(2): 204-231, 2009.
  14. Nikolaos Fousteris, Manolis Gergatsoulis, Yannis Stavrakas. Updating Multidimensional XML documents. International Journal of Web Information Systems, 4(2):142-164, 2008.
  15. Giannis Tsakonas, Christos Papatheodorou. Exploring usefulness and usability in the evaluation of open access digital libraries. Information Processing and Management, 44(3): 1234-1250, 2008.
  16. Foto Afrati, Rada Chirkova, Manolis Gergatsoulis, Vassia Pavlaki. View Selection for Real Conjunctive Queries. Acta Informatica, 44(5):289-321, September 2007.
  17. Norbert Fuhr, Giannis Tsakonas, Trond Aalberg, Maristella Agosti, Preben Hansen, Sarantos Kapidakis, Claus-Peter Klas, Laszlo Kovacs, Monica Landoni, Andras Micsik, Christos Papatheodorou, Carol Peters, Ingeborg Sølvberg. Evaluation of digital libraries. International Journal of Digital Libraries, 8(1): 21-38, 2007.
  18. 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.
  19. Giannis Tsakonas, Christos Papatheodorou. Analyzing and evaluating usefulness and usability in electronic information services. Journal of Information Science, 32(5): 400-419, 2006.
  20. 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.
  21. Manolis Gergatsoulis, Christos Nomikos. A proof procedure for temporal logic programming. InternationalJournalofFoundationsofComputerScience, 15(2):417-443, April 2004.
  22. 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.
  23. Foto Afrati, Manolis Gergatsoulis, Francesca Toni. Linearizability on Datalog Programs. Theoretical Computer Science, 308(1-3):199-226, November 2003.

Βιβλία

  1. Maristella Agosti, José Luis Borbinha, Sarantos Kapidakis, Christos Papatheodorou, Giannis Tsakonas (Eds.). Research and Advanced Technology for Digital Libraries, Proceedings of the  13th European Conference, ECDL 2009, Corfu, Greece, September 27-October 2, 2009, Springer, 2009.
  2. Giannis Tsakonas, Christos Papatheodorou (Eds.). Evaluation of Digital Libraries: An Insight to Useful Applications and Methods, Oxford, Chandos Publishing, 2009.
  3. Giannis Tsakonas (Ed.). Proceedings of the 15th Panhellenic Conference of Academic Libraries. Patras: Library and Information Service, 2006.

Κεφάλαια σε Βιβλία

  1. Spyridon Veronikis, Kyriaki Zoutsou, Giannis Tsakonas, Christos Papatheodorou. Smartphones to Access Hybrid Information Spaces. In Samuel Pierre (ed.), Handbook of Research on Next Generation Mobile Networks and Ubiquitous Computing, pp. 146-155, IGI Global, 2010.
  2. Panorea Gaitanou. Ontologies and Ontology-Based Applications. In M.-A Sicilia, M. D. Lytras (eds), Metadata and Semantics, pp.289-298, Springer US, 2009.
  3. Giannis Tsakonas, Christos Papatheodorou. Extending borders: outcomes assessment in the era of digital libraries. In Giannis Tsakonas, and Christos Papatheodorou (eds.), Evaluation of Digital Libraries: An Insight to Useful Applications and Methods, pp. 173-186, Chandos, 2009.
  4. Spyridon E. Veronikis, Giannis Tsakonas, Christos Papatheodorou. Handhelds for digital libraries. In Yin-Leng Theng et al. (eds.), Handbook of Research on Digital Libraries: Design, Development and Impact, pp. 298-307, IGI Global, 2008.

Διεθνή Συνέδρια με Πρακτικά (Refereed)

  1. Eleftherios Kalogeros, Matthew Damigos, M. Sfakakis, S. Zapounidou, Aggeliki Drakopoulou, C. Zervopoulos, G. Martinis, C. Papatheodorou, and M. Gergatsoulis, “Digitizing, Transcribing and Publishing the Handwritten Music Score Archives of Ionian Islands Philharmonic Bands”. It will be presented at the 15th International Conference on Metadata and Semantics Research (MTSR 2021), November 29 – December 3, 2021
  2. Manolis Gergatsoulis, Georgios Papaioannou, Eleftherios Kalogeros, I. Mpismpikopoulos, K. Tsiouprou, and R. Carter, “Modelling Archaeological Buildings Using CIDOC-CRM and Its Extensions: The Case of Fuwairit, Qatar”, in Towards Open and Trustworthy Digital Societies – 23rd International Conference on Asia-Pacific Digital Libraries, ICADL 2021, Virtual Event, December 1–3, 2021, vol. 13133, pp. 357–372. doi: 10.1007/978-3-030-91669-5_28.
  3. Manolis Gergatsoulis, Georgios Papaioannou, Eleftherios Kalogeros, Robert Carter, “Representing Archeological Excavations Using the CIDOC CRM Based Conceptual Models,” in Metadata and Semantic Research – 14th International Conference, MTSR 2020, Madrid, Spain, December 2-4, 2020, vol. 1355, pp. 355–366. doi: 10.1007/978-3-030-71903-6_33.
  4. Eleftherios Kalogeros, Manolis Gergatsoulis, Matthew Damigos, “Document based RDF storage method for efficient parallel query processing,” in Metadata and Semantic Research – 12th International Conference, MTSR 2018, Limassol, Cyprus, October 23-26, 2018, vol. 846, pp. 13–25. doi: 10.1007/978-3-030-14401-2_2.
  5. Michail Agathos, Eleftherios Kalogeros, Sarantos Kapidakis, “A Case Study of Summarizing and Normalizing the Properties of DBpedia Building Instances,” in Research and Advanced Technology for Digital Libraries – 20th International Conference on Theory and Practice of Digital Libraries, TPDL 2016, Hannover, Germany, September 5-9, 2016, vol. 9819, pp. 398–404. doi: 10.1007/978-3-319-43997-6_33.
  6. Eleftherios Kalogeros, Manolis Gergatsoulis, Matthew Damigos, “Redundancy in Linked Data Partitioning for Efficient Query Evaluation,” in 3rd International Conference on Future Internet of Things and Cloud, FiCloud 2015, Rome, Italy, August 24-26, 2015, pp. 497–504. doi: 10.1109/FiCloud.2015.36.
  7. Matthew Damigos, Manolis Gergatsoulis, Eleftherios Kalogeros, “Distributed evaluation of XPath queries over large integrated XML data,” in 18th Panhellenic Conference on Informatics, PCI 2014, Athens, Greece, October 2-4, 2014, 2014, pp. 1–6. doi: 10.1145/2645791.2645804.
  8. Christos Nomikos, Manolis Gergatsoulis, Eleftherios Kalogeros, and Matthew Damigos, “A Map-Reduce algorithm for querying linked data based on query decomposition into stars,” in Proceedings of the Workshops of the EDBT/ICDT 2014 Joint Conference (EDBT/ICDT 2014), Athens, Greece, March 28, 2014, vol. 1133, pp. 224–231. [Online]. Available: http://ceur-ws.org/Vol-1133/paper-37.pdf.
  9. Manolis Gergatsoulis, Christos Nomikos, Eleftherios Kalogeros, and M. Damigos, “An Algorithm for Querying Linked Data Using Map-Reduce,” in Data Management in Cloud, Grid and P2P Systems – 6th International Conference, Globe 2013, Prague, Czech Republic, August 28-29, 2013, vol. 8059, pp. 51–62. doi: 10.1007/978-3-642-40053-7_5.
  10. 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-Verlag 2012.
  11. Michalis Mikelakis, Christos Papatheodorou. An ontology-based model for preservation workflows. In Proceedings of the 9th International Conference on Digital Preservation (iPRES2012), Toronto, Canada, October 1-5, 2012.
  12. Spyros Daglas, Constantia Kakali, Dionysis Kakavoulis, Marina Koumaki, Christos Papatheodorou. A Methodology for Folksonomy Evaluation. In Panayiotis Zaphiris, George Buchanan, Edie Rasmussen and Fernando Loizides (eds.), Theory and Practice of Digital Libraries Second International Conference, Proceedings (TPDL 2012), Paphos, Cyprus, September 23-27, Lecture Notes in Computer Science (LNCS) Vol. 7489, pp. 247-259, Springer-Verlag, 2012.
  13. Angelos Mitrelis, Leonidas Papachristopoulos, Michalis Sfakakis, Giannis Tsakonas, Christos Papatheodorou. Mining Digital Library Evaluation Patterns Using a Domain Ontology. In P. Herrero, H. Panetto, R. Meersman, T. Dillon (eds.), On the Move to Meaningful Internet Systems: OTM 2012 Workshops, 8th International Workshop on Ontology Content, (OnToContent 2012), Rome, Italy, September 2012. Proceedings. Lecture Notes in Computer Science (LNCS) Vol. 7567, pp. 464-47 Springer-Verlag, 2012.
  14. Giannis Tsakonas, Angelos Mitrelis, Leonidas Papachristopoulos, Christos Papatheodorou. An exploration of the research trends in the digital library evaluation domain. In Karim B. Boughida, Barrie Howard, Michael L. Nelson, Herbert Van de Sompel, Ingeborg Sølvberg (eds.) Proceedings of the 12th ACM/IEEE-CS Joint Conference on Digital Libraries (JCDL2012), pp. 347-348, Washington, DC, USA, June 10-14, ACM, 2012.
  15. Christos Papatheodorou, Costis Dallas, Christian Ertmann-Christiansen, Kate Fernie, Dimitris Gavrilis, Maria Emilia Masci, Panos Constantopoulos, Stavros Angelis. A New Architecture and Approach to Asset Representation for Europeana Aggregation: The CARARE Way. 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 Informaton Science Vol. 240, pp. 412-424 Springer-Verlag, 2011.
    Available at: http://dx.doi.org/10.1007/978-3-642-24731-6_41
  16. Foto Afrati, Matthew Damigos, Manolis Gergatsoulis. Union Rewritings for XPath fragments. In Bipin C. Desai, Isabel F. Cruz, Jorge Bernardino (eds.), Proceedings of the 15th International Database Engineering and Applications Symposium (IDEAS 2011), September 21 – 27, 2011, Lisbon, Portugal, pp. 43-51, ACM 2011.
  17. 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-Verlag 2011.
  18. Foto Afrati, Matthew Damigos, Manolis Gergatsoulis. Rewriting real conjunctive queries using viewsets of minimal-size. Proceedings of the 8th Panhellenic Logic Symposium, Ioannina, Greece, July 4-8, 2011.
  19. Giannis Tsakonas, Christos Papatheodorou. Evaluation of Cultural Heritage Digital Collections: the DiLEO Perspective. Keynote speech In V. Petras, P. Forner, P. D. Clough (eds.) Proceedings of the CLEF 2011 Labs and Workshop, Notebook Papers. In conjunction with Conference on Multilingual and Multimodal Information Access Evaluation (CLEF 2011), Amsterdam, The Netherlands, September 19-22, 2011, pp. 74.
  20. Spyros Veronikis, Giannis Tsakonas, Christos Papatheodorou. Assessing Use Intention and Usability of Mobile Devices in a Hybrid Environment. In S. Gradmann, F. Borri, C. Meghini, H. Schuldt (eds.), Research and Advanced Technology for Digital Libraries – International Conference on Theory and Practice of Digital Libraries, (TPDL 2011), Berlin, Germany, September 2011. Proceedings. Lecture Notes in Computer Science (LNCS) Vol. 6966, pp. 77-88, Springer-Verlag, 2011.
    Available at: http://dx.doi.org/10.1007/978-3-642-24469-8_10
  21. Lina Bountouri, Christos Papatheodorou, Manolis Gergatsoulis. Modelling the Public Sector Information through CIDOC Conceptual Reference Model. In R. Meersman, T. Dillon, P. Herrero, (eds), On the Move to Meaningful Internet Systems: OTM 2010 Workshops, 6th International Workshop on Ontology Content, (OnToContent 2010), Hersonissos, Crete, Greece, October 2010. Proceedings. Lecture Notes in Computer Science (LNCS), Vol. 6428, pp. 404-413 Springer-Verlag, 2010.
  22. D. Gavrilis, Stavros Angelis, Christos Papatheodorou. MOPSEUS – A Digital Repository System with Semantically Enhanced Preservation Services. In, International Conference on Preservation of Digital Objects, (iPRES2010), Vienna, Austria, September 2010, Proceedings, pp. 135-143, 2010.
  23. Dimitris Gavrilis, Christos Papatheodorou, Panos Constantopoulos, Stavros Angelis. Mopseus – A Digital Library Management System Focused on Preservation. In M. Lalmas, J. Joemon, A. Rauber, F. Sebastiani, 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 (LNCS), Vol. 6273, pp. 445-448, Springer-Verlag, 2010.
    Available at: http://dx.doi.org/10.1007/978-3-642-15464-5_53.
  24. Manolis Gergatsoulis, Lina Bountouri, Panorea Gaitanou, Christos Papatheodorou. Query Transformation in a CIDOC CRM Based Cultural Metadata Integration Environment. In M. Lalmas, J. Joemon, A. Rauber, F. Sebastiani, 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 (LNCS), Vol. 6273, pp. 38-45, Springer-Verlag, 2010.
    Available at: http://dx.doi.org/10.1007/978-3-642-15464-5_6.
  25. Constantia Kakali, Christos Papatheodorou. Could Social Tags Enrich the Library Subject Index?, In Libraries in the Digital Age (LIDA) 2010, Zadar, Croatia, May 2010, pp. 116-123, 2010.
  26. Manolis Gergatsoulis, Lina Bountouri, Panorea Gaitanou, Christos Papatheodorou. Mapping Cultural Metadata Schemas to CIDOC Conceptual Reference Model, In S. Konstantopoulos, S. Perantonis, V. Karkaletsis, Constantine Spyropoulos, G. Vouros (eds), Artificial Intelligence: Theories, Models and Applications, 6th Hellenic Conference on Artificial Intelligence (SETN 2010), Athens, Greece, May 2010, Proceedings. Lecture Notes in Artificial Intelligence (LNAI), Vol. 4060, pp. 321-326, Springer-Verlag, 2010.
    Available at: http://dx.doi.org/10.1007/978-3-642-12842-4_37.
  27. 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
  28. 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.
  29. Vera Kriezi, Damiana Koutsomiha, Polina Borisova, Emmanouel Garoufallou, Andreas K. Andreou,  Ioanna Andreou,  Georgia Katsarou,  Panorea Gaitanou. Learning 2.0: a training project for the Greek librarians and information professionals. Ιn Proceedings of the IFLA Satellite Meeting “Service Strategies for Libraries”, Athens, Greece, 19-21 August, 2009.
  30. 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.
  31. 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.
  32. Irene Lourdi, Christos Papatheodorou. Semantic integration of Collection-level information: A Crosswalk between CIDOC/CRM and Dublin Core Collections Application Profile. In Annual Conference of the International Documentation Committee of the International Council of Museums (CIDOC 2008), Athens, Greece, September 2008, Proceedings.
  33. Dimitris  Gavrilis, Constantia Kakali, Christos Papatheodorou. Enhancing Library Services with Web 2.0 Functionalities. In B. Christensen-Dalsgaard, D. Castelli, B. A. Jurik and J. Lippincott (eds.) Research and Advanced Technology for Digital Libraries. 12th European Conference, ECDL 2008, Aarhus, Denmark, September 14-19, 2008, Proceedings, Lecture Notes in Computer Science, Vol. 5173, pp. 148-159, Springer-Verlag, 2008.
  34. Spyridon Veronikis, Dimitris Gavrilis, Kyriaki Zoutsou, Christos Papatheodorou. Using Handhelds to Search in Physical and Digital Information Spaces. In Mobile Ubiquitous Computing, Systems, Services and Technologies, 2008. UBICOMM ’08. The Second International Conference on, Proceedings, pp. 225-230, IEEE Press, 2008.
  35. Panorea Gaitanou, Natassa Tsoubrakakou. Web 2.0, Second Life and Museums: Visit or access to culture? Ιn Proceedings of the International Conference “Digital Heritage in the New Knowledge Environment: Shared spaces & open paths to cultural content”, pp.73-76, Athens, Greece, 31 October – 2 November, 2008.
  36. Dimitris Gavrilis, Giannis Tsakonas, Christos Papatheodorou. Designing interoperable museum information systems. In 14th International on Virtual Systems and MultiMedia (VSMM), 20-26 October 2008, Limassol, Cyprus, 2008.
    Available from: http://eprints.rclis.org/16377/.
  37. Leonidas Papachristopoulos, Giannis Tsakonas, Christos Papatheodorou. Enforcement of information seeking behaviour through digital library services. In Josipa Selthofer, Tatjana Aparac-Jelusic and Maja Krtalic (Eds.). Libraries In the Digital Age (LIDA) 2008, Dubrovnik and Mljet, Croatia, 2-7 June 2008, 97-105, pp. 97-105, 2008.
    Available from: http://eprints.rclis.org/archive/00013833/.
  38. Aggelos Mitrelis, Giannis Tsakonas, Christos Papatheodorou. Using qualitative research methods for the improvement of collaborative information searching tools design. In Josipa Selthofer, Tatjana Aparac-Jelusic and Maja Krtalic (eds). Libraries In the Digital Age (LIDA) 2008, Dubrovnik and Mljet, Croatia, 2-7 June 2008, pp. 111-117, 2008.
    Available from: http://eprints.rclis.org/archive/00013826/.
  39. Ioanna Andreou, Panorea Gaitanou, Emmanouil Garoufallou, Damiana Koutsomiha, Vera Kriezi. Survey for the familiarity of the Greek and Cypriot Information Scientists with Web 2.0 services. Ιn Proceedings of the 17th Pan-Hellenic Academic Libraries Conference, Ioannina, Greece, 24-26 September, 2008. (In Greek).
  40. 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. 
  41. Nikolaos Fousteris, Manolis Gergatsoulis, Yannis Stavrakas. Updating Multidimensional XML documents. In Gabriele Kotsis, David Taniar, Eric Pardede, and Ismail Khalil Ibrahim (eds.), Proceedingsofthe 9th International Conference on Information Integration and Web-based Applications & Services (iiWAS2007), pp. 257-266, Jakarta, Indonesia, December 3-5, 2007.
  42. 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.
  43. 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.
  44. 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.
  45. 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.
  46. Tsakonas Giannis, Papatheodorou Christos. Critical constructs of digital library interaction. In Proceedings of the 11th Panhellenic Conference on Informatics (PCI 2007), Vol. 1, pp. 57-67, New Technologies Publications, 2007.
    Available at: http://eprints.rclis.org/archive/00011654/.
  47. Claus Peter Klas, Giannis Tsakonas, Hanne Albrechtsen, Preben Hansen. A qualitative evaluation of The European Library. In Second DELOS Conference on Digital Libraries, 5-7 December 2007, Tirrenia, Pisa, Italy, 2007.
  48. Panorea Gaitanou. The role of the digital librarian in digital knowledge management. Ιn Proceedings of the 16th Pan-Hellenic Academic Libraries Conference, pp.173-186, Piraeus, Greece, 1-3 October, 2007. (In Greek).
  49. Panorea Gaitanou, Dominiki-Markisia Rouggeri. Information Literacy and Academic Libraries. Ιn Proceedings of the 16th Pan-Hellenic Academic Libraries Conference, pp.154-172, Piraeus, Greece, 1-3 October, 2007. (In Greek).
  50. Claus Peter Klas, Norbert Fuhr, Sascha Kriewel, Hanne Albrechtsen, Laszlo Kovacs, Andras Micsik, Preben Hansen, Giannis Tsakonas, Sarantos Kapidakis, Christos Papatheodorou, Elin Jacob. An experimental framework for comparative digital library evaluation: the logging scheme. In Proceedings of the 6th ACM/IEEE-CS Joint Conference on Digital Libraries, “Opening Information Horizons”, June 11-15, 2006, Chapel Hill, NC, USA, pp. 308-309. ACM Press, 2006.
  51. Claus-Peter Klas, Hanne Albrechtsen, Norbert Fuhr, Preben Hansen, Sarantos Kapidakis, Laszlo Kovacs, Sascha Kriewel, Andras Micsik, Christos Papatheodorou, Giannis Tsakonas, Elin Jacob. A logging scheme for comparative digital library evaluation. InJ. Gonzalo et al. Proceedings of the XXth European Conference on Digital Libraries, “Research and Advanced Technology for Digital Libraries”, Lecture Notes in Computer Science, Vol. 4172, pp. 267-278. Springer Verlag, 2006.
  52. Panorea Gaitanou, Manolis Gergatsoulis. Ontology management: extended study on the main problems and presentation of existent ontology library systems. Ιn Proceedings of the 15th Pan-Hellenic Academic Libraries Conference,pp. 136-150, Patra, Greece,  1-3 November, 2006. (In Greek).
  53. Lina Bountouri, Manolis Gergatsoulis. Ontology–based Semantic Integration. Ιn Proceedings of the 15th Pan-Hellenic Academic Libraries Conference,pp. 110-123, Patra, Greece,  1-3 November, 2006. (In Greek).
  54. Irene Lourdi, Pantelis D. Lilis, Manolis Gergatsoulis. Representing and manipulating time-depended information in cultural heritage collections. Ιn Proceedings of the 15th Pan-Hellenic Academic Libraries Conference, pp. 96-108, Patra, Greece, 1-3 November, 2006. (In Greek).
  55. 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.
  56. 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.
  57. 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. (Η εργασία παρουσιάστηκε στο συνέδριο “Ontologies, Databases and Application of Semantics – ODBASE’05”).
  58. 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.
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    Available at: http://eprints.rclis.org/archive/00005373/.
  60. 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.
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    Available at: http://dlib.ionio.gr/workshop_2004/Tsakonas.pdf.
  62. 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.
  63. 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.
  64. 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. LectureNotesinComputerScience, Volume 2435, pp. 360-373, Springer-Verlag, 2002.
  65. 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.
  66. 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.