Now showing items 21-40 of 68

    • Exploring perspectives on the evaluation of digital libraries 

      Τσάκωνας, Γιάννης; Παπαθεοδώρου, Χρήστος; Tsakonas, Giannis; Papatheodorou, Christos (2013-06-12)
    • 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 Dublin Core metadata for cultural heritage collections using ontologies 

      Κακάλη, Κωνσταντία; Λουρδή, Ειρήνη; Στασινοπούλου, Θωμαΐς; Μπουντούρη, Λίνα; Παπαθεοδώρου, Χρήστος; Γεργατσούλης, Μανώλης; Doerr, Martin; Kakali, Constantia; Stasinopoulou, Thomais; Gergatsoulis, Manolis; Lourdi, Eirini; Bountouri, Lina; Papatheodorou, Christos (2007)
      Metadata interoperability is an active research area, especially for cultural heritage collections, which consist of heterogeneous objects described by a variety of metadata schemas. In this paper we propose an ontology-based ...
    • 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 ...
    • Mapping the Hierarchy of EAD to VRA Core 4.0 Through CIDOC CRM 

      Παπαθεοδώρου, Χρήστος; Γεργατσούλης, Μανώλης; Μπουντούρη, Λίνα; Σπανουδάκης, Δημήτριος; Γαϊτάνου, Πανωραία; Gaitanou, Panorea; Gergatsoulis, Manolis; Spanoudakis, Dimitrios; Bountouri, Lina; Papatheodorou, Christos (2016)
      Metadata interoperability requires the development of mappings and crosswalks between different schemas. Crosswalks development is a laborious and complex task especially when metadata of compound objects include hierarchical ...
    • 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 ...
    • Mining user communities in digital libraries 

      Παπαθεοδώρου, Χρήστος; Καπιδάκης, Σαράντος; Σφακάκης, Μιχάλης; Βασιλείου, Αλεξάνδρα; Vassiliou, Alexandra; Kapidakis, Sarantos; Sfakakis, Michalis; Papatheodorou, Christos (2010)
      The interest in the analysis of library user behaviour has been increasing rapidly since the advent of digital libraries and the Internet. In this context, the authors analyze the queries posed to a digital library and ...
    • Modelling the Public Sector Information through CIDOC Conceptual Reference Model 

      Μπουντούρη, Λίνα; Παπαθεοδώρου, Χρήστος; Γεργατσούλης, Μανώλης; Gergatsoulis, Manolis; Bountouri, Lina; Papatheodorou, Christos (2010)
      Nowadays, due to the growing development of eGovernment information systems, there is an increasing need to handle Public Sector Information (PSI) in a homogeneous way. Ontologies are currently a powerful tool to act as ...
    • Mopseus - A digital library management system focused on preservation 

      Γαβρίλης, Δημήτρης; Παπαθεοδώρου, Χρήστος; Κωνσταντόπουλος, Πάνος; Αγγελής, Σταύρος; Gavrilis, Dimitris; Constantopoulos, Panos; Angelis, Stavros; Papatheodorou, Christos (2010)
      This paper presents Mopseus, a Fedora-commons based digital repository that focuses on preservation. An overview of the general architecture of the system is presented along with some more in-depth details of its semantic ...
    • MORe: a Micro-service Oriented Aggregator 

      Γαβρίλης, Δημήτρης; Νομικός, Βαγγέλης; Κραββαρίτης, Κωνσταντίνος; Αγγελής, Σταύρος; Παπαθεοδώρου, Χρήστος; Κωνσταντόπουλος, Πάνος; Gavrilis, Dimitris; Nomikos, Vangelis; Kravvaritis, Konstantinos; Angelis, Stavros; Papatheodorou, Christos; Constantopoulos, Panos (2016)
      Metadata aggregation is a task increasingly encountered in many projects involving data repositories. The small number of specialized software for this task indicates that in most cases customized software is used to ...
    • A multi-layer metadata schema for digital folklore collections. 

      Νικολαϊδου, Μάρα; Λουρδή, Ειρήνη; Παπαθεοδώρου, Χρήστος; Nikolaidou, Mara; Lourdi, Eirini; Papatheodorou, Christos (2007)
      Digital folklore collections are valuable sources for studying the cultural and oral tradition of a country. The main difficulty in managing such collections is material heterogeneity (handwritten texts, photographs, 3D ...
    • A New Architecture and Approach to Asset Representation for Europeana Aggregation: The CARARE Way 

      Δάλλας, Κωστής; Παπαθεοδώρου, Χρήστος; Γαβρίλης, Δημήτρης; Κωνσταντόπουλος, Πάνος; Αγγελής, Σταύρος; Ertmann-Christiansen, Christian; Fernie, Kate; Emilia Masci, Maria; Dallas, Costis; Gavrilis, Dimitris; Constantopoulos, Panos; Angelis, Stavros; Papatheodorou, Christos (2011)
      This paper presents a new metadata aggregation approach based on a mediating repository that intends to ensure the integrity, authenticity and semantic enrichment of metadata provided to Europeana by heterogeneous collections. ...
    • The “Nomenclature of Multidimensionality” in the Digital Libraries Evaluation Domain 

      Παπαχριστόπουλος, Λεωνίδας; Τσάκωνας, Γιάννης; Σφακάκης, Μιχάλης; Κλειδης, Νικος; Παπαθεοδώρου, Χρήστος; Papachristopoulos, Leonidas; Tsakonas, Giannis; Sfakakis, Michalis; Kleidis, Nikos; Papatheodorou, Christos (2016)
      Digital libraries evaluation is characterised as an interdisciplinary and multidisciplinary domain posing a set of challenges to the research communities that intend to utilise and assess criteria, methods and tools. The ...