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Information Systems

Journal Papers

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. Giannis Tsakonas, Christos Papatheodorou. Analyzing and evaluating usefulness and usability in electronic information services. Journal of Information Science, 32(5): 400-419, 2006.


  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.

Book Chapters

  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. 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.
  3. Spyridon 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.

Refereed Conference Publications

  1. 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.
  2. 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.
  3. 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.
  4. 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:
  5. 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.
  6. 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.
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  7. 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.
  8. 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.
  9. 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.
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  10. 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.
  11. 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).
  12. 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.
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  13. 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.
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  14. Giannis Tsakonas. Open access through the user’s looking glass. In 1st Workshop on E-Prints for Library and Information Science, October 22, 2005, CERN, Geneva, Switzerland, 2005.
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  15. 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.
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  16. 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.
  17. 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.
  18. 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.
  19. Giannis Tsakonas, Sarantos Kapidakis, Christos Papatheodorou. Evaluation of user interaction in digital libraries. In DELOS Workshop on the Evaluation of Digital Libraries, Department of Information Engineering, University of Padua, Italy, October 4-5, 2004.
    Available at:

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