Now showing items 1-20 of 32

    • Analysing and evaluating usefulness and usability in electronic information services 

      Τσάκωνας, Γιάννης; Παπαθεοδώρου, Χρήστος; Tsakonas, Giannis; Papatheodorou, Christos (2006)
      Digital libraries, e-journal platforms, portals, e-prints and other web-based information systems provide services supporting users to perform intense work tasks that require complex interaction activities. The main ...
    • Assessing use intention and usability of mobile devices in a hybrid environment 

      Παπαθεοδώρου, Χρήστος; Βερονίκης, Σπύρος; Τσάκωνας, Γιάννης; Veronikis, Spyros; Tsakonas, Giannis; Papatheodorou, Christos (2011)
      During the last decades many information providers, such as libraries, have been collecting, organizing and delivering information in both print and digital format, forming a hybrid information environment. However, ...
    • Discovering the structure and impact of the digital library evaluation domain 

      Παπαχριστόπουλος, Λεωνίδας; Τσάκωνας, Γιάννης; Σφακάκης, Μιχάλης; Κλειδης, Νικος; Λένης, Σέργιος; Παπαθεοδώρου, Χρήστος; Papachristopoulos, Leonidas; Tsakonas, Giannis; Boudourides, Moses; Sfakakis, Michalis; Kleidis, Nikos; Lenis, Sergios; Papatheodorou, Christos (2017-06)
      The multidimensional nature of digital libraries evaluation domain poses several challenges to the research communities that intend to assess criteria, methods, products and tools, and also practice them. The amount of ...
    • Discovering user communities on the Internet using unsupervised machine learning techniques 

      Παπαθεοδώρου, Χρήστος; Καρκαλέτσης, Β.; Σπυρόπουλος, Γ.Δ.; Παλιούρας, Γ.; Papatheodorou, Christos; Karkaletsis, V.; Spyropoulos, C.D.; Paliouras, G. (2002)
      Contribution to special issue on intelligence and interaction in community based systems (Part 1). Argues for the usefulness of constructing communities of users with common behaviour, making use of machine learning ...
    • Encoding of public records and procedures in electronic registries 

      Παπαθεοδώρου, Χρήστος; Προκοπιάδου, Γεωργία; Μοσχόπουλος, Διονύσης; Papatheodorou, Christos; Moschopoulos, Denis; Procopiadou, Georgia (2004)
      An electronic registry is the main mechanism for the official distribution of public records, which are created within the framework of administrative procedures and business transactions. The encoding of public records ...
    • Enhancing library services with web 2.0 functionalities 

      Κακάλη, Κωνσταντία; Γαβρίλης, Δημήτρης; Παπαθεοδώρου, Χρήστος; Kakali, Constantia; Gavrilis, Dimitris; Papatheodorou, Christos (2008)
      In this paper, a prototype of an Online Public Access Catalog (OPAC) is presented. This new OPAC features new functionalities and utilizes web 2.0 technologies in order to deliver improved search and retrieval services. ...
    • Evaluation of digital libraries 

      Τσάκωνας, Γιάννης; Καπιδάκης, Σαράντος; Παπαθεοδώρου, Χρήστος; Landoni, Monica; Micsik, András; Sølvberg, Ingeborg T.; Tsakonas, Giannis; Kapidakis, Sarantos; Papatheodorou, Christos; Fuhr, Norbert; Klas, Claus-Peter; Agosti, Maristella; Peters, Carol; Aalberg, Trond; Hansen, Preben; Kovács, László (2007)
      Digital libraries (DLs) are new and innovative information systems, under constant development and change, and therefore evaluation is of critical importance to ensure not only their correct evolution but also their ...
    • An experimental framework for comparative digital library evaluation: The logging scheme 

      Καπιδάκης, Σαράντος; Παπαθεοδώρου, Χρήστος; Τσάκωνας, Γιάννης; Klas, Claus-Peter; Fuhr, Norbert; Kriewel, S.; Albrechtsen, Hanne; Hansen, Preben; Kovács, László; Micsik, A.; Jacob, E.; Kapidakis, Sarantos; Tsakonas, Giannis; Papatheodorou, Christos (2006)
      Evaluation of digital libraries assesses their effectiveness, quality and overall impact. In this paper we present a novel, multi-level logging framework that will provide complete coverage of the different aspects of DL ...
    • Exploitation of Folksonomies in Subject Analysis 

      Παπαθεοδώρου, Χρήστος; Κακάλη, Κωνσταντία; Kakali, Constantia; Papatheodorou, Christos (2010)
      Social tagging is one of the most popular of social media applications and has attracted the interest of a number of libraries and museums, which have developed services that facilitate user-community collaboration. This ...
    • An exploration of the digital library evaluation literature based on an ontological representation 

      Παπαθεοδώρου, Χρήστος; Τσάκωνας, Γιάννης; Παπαχριστόπουλος, Λεωνίδας; Μητρέλης, Άγγελος; Papatheodorou, Christos; Tsakonas, Giannis; Papachristopoulos, Leonidas; Mitrelis, Angelos (2013)
      Evaluation is a vital research area in the digital library domain, demonstrating a growing literature in conference and journal articles. We explore the directions and the evolution of evaluation research for the period ...
    • Exploring usefulness and usability in the evaluation of open access digital libraries 

      Τσάκωνας, Γιάννης; Παπαθεοδώρου, Χρήστος; Papatheodorou, Christos; Tsakonas, Giannis (2008)
      Advances in the publishing world have emerged new models of digital library development. Open access publishing modes are expanding their presence and realize the digital library idea in various means. While user-centered ...
    • Integrating knowledge management tools for government information 

      Παπαθεοδώρου, Χρήστος; Μοσχόπουλος, Διονύσης; Προκοπιάδου, Γεωργία; Papatheodorou, Christos; Moschopoulos, Denis; Procopiadou, Georgia (2004)
      Government information is considered to be essential for any organization's business transactions, decision making, or information rendering to citizens. However, the public sector lacks information units based on the ...
    • Introduction to the focused issue on the 17th International Conference on Theory and Practice of Digital Libraries (TPDL 2013) 

      Παπαθεοδώρου, Χρήστος; Aalberg, Trond; Papatheodorou, Christos (2014)
      An introduction is presented in which the editor discusses various reports within the issue on topics including document structure analysis of digital scientific articles, the use of Internet archive, and sustainability ...
    • A logging scheme for comparative digital library evaluation 

      Καπιδάκης, Σαράντος; Παπαθεοδώρου, Χρήστος; Klas, Claus-Peter; Albrechtsen, Hanne; Fuhr, Norbert; Hansen, Preben; Kovács, László; Kriewel, S.; Micsik, András; Τσάκωνας, Γιάννης; Jacob, E.; Kapidakis, Sarantos; Tsakonas, Giannis; Papatheodorou, Christos (2006)
      Evaluation of digital libraries assesses their effectiveness, quality and overall impact. To facilitate the comparison of different evaluations and to support the re-use of evaluation data, we are proposing a new logging ...
    • Mapping cultural metadata schemas to CIDOC conceptual reference model 

      Γεργατσούλης, Μανώλης; Μπουντούρη, Λίνα; Παπαθεοδώρου, Χρήστος; Γαϊτάνου, Πανωραία; Gergatsoulis, Manolis; Gaitanou, Panorea; Bountouri, Lina; Papatheodorou, Christos (2010)
      Managing heterogeneous data is a challenge for cultural heritage institutions as they host and develop various collections with heterogeneous types of material, described by different metadata schemas. In this paper, we ...
    • Mapping Derivative Relationships from RDA to BIBFRAME 2 

      Zapounidou, Sofia; Sfakakis, Michalis; Papatheodorou, Christos (2019)
      Semantic interoperability between Resource Description and Access (RDA) and BIBFRAME models is of great interest to the library community. In this context, this work investigates the mapping of core entities, inherent and ...
    • A metadata application profile for collection-level description of digital folklore resources 

      Λουρδή, Ειρήνη; Παπαθεοδώρου, Χρήστος; Lourdi, Eirini; Papatheodorou, Christos (2004)
      The preservation and representation of folklore collections is a basic priority for every country because they are valuable for studying the customs and the tradition of specific groups of people and places. However, for ...
    • Metadata interoperability in public sector information 

      Μπουντούρη, Λίνα; Παπαθεοδώρου, Χρήστος; Σουλίκιας, Βασίλης; Στρατής, Ματθαίος Ν.; Bountouri, Lina; Papatheodorou, Christos; Soulikias, Vasilis; Mathios, Stratis N. (2009)
      Over recent years, there has been a worldwide growing need for interoperability among the systems that manage and reuse Public Sector Information. This paper explores the documentation needs for Public Sector Information ...
    • A methodology for folksonomy evaluation 

      Κακάλη, Κωνσταντία; Παπαθεοδώρου, Χρήστος; Κουμάκη, Μαρίνα; Κακαβούλης, Διονύσιος; Ντάγλας, Σπύρος; Kakali, Constantia; Koumaki, Marina; Kakavoulis, Dionysios; Kakavoulis, Dionysios; Daglas, Spyros; Papatheodorou, Christos (2012)
      In recent years, the folksonomies were created and maintained in libraries and other information organizations alongside the traditional subject indexing systems. Folksonomies, consisting of tags, often express the "wisdom ...
    • Mining digital library evaluation patterns using a domain ontology 

      Παπαθεοδώρου, Χρήστος; Μητρέλης, Άγγελος; Παπαχριστόπουλος, Λεωνίδας; Σφακάκης, Μιχάλης; Τσάκωνας, Γιάννης; Mitrelis, Angelos; Papatheodorou, Christos; Papachristopoulos, Leonidas; Tsakonas, Giannis; Sfakakis, Michalis (2012)
      Scientific literature is vast and therefore the researchers need knowledge organization systems to index, semantically annotate and correlate their bibliographic sources. Additionally they need methods and tools to discover ...