Now showing items 415-434 of 3927

    • The exploitation of social tagging in libraries 

      Κακάλη, Κωνσταντία; Παπαθεοδώρου, Χρήστος; Kakali, Constantia; Papatheodorou, Christos (2011)
      Nowadays, many libraries have developed social tagging services, after the considerable use of social tagging and deployment as key components of Web 2.0. Another set of libraries have enriched the search and indexing ...
    • Exploiting individual users and user groups interaction features: methodology and infrastructure design 

      Di Buccio, Emanuele; Melucci, Massimo (2009)
      The user may be a source of evidence for supporting infor- mation access through Digital Library (DL) systems. In particular, the features gathered while monitoring the interaction between the user and a DL system can be ...
    • Exploiting network analysis to investigate topic dynamics in the digital library evaluation domain 

      Παπαχριστόπουλος, Λεωνίδας; Σφακάκης, Μιχάλης; Κλειδης, Νικος; Τσάκωνας, Γιάννης; Παπαθεοδώρου, Χρήστος; Papachristopoulos, Leonidas; Sfakakis, Michalis; Kleidis, Nikos; Tsakonas, Giannis; Papatheodorou, Christos (2016)
      The multidimensional nature of digital libraries evaluation domain and the amount of scientific production published on the field hinders and disorientates the interested researchers who contemplate to focus on the specific ...
    • Exploiting the Search Culture Modulated by the Documentation Retrieval Applications 

      Καρανικόλας, Νικήτας Ν.; Σκουρλάς, Χρίστος; Karanikolas, Nikitas N.; Skourlas, Christos (2011)
      Users Interaction with various wellestablished tools of documentation retrieval and the influence from each tool to the other ones have contributed in the creation of some search culture which is shared between the design ...
    • 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 ...
    • An exploration of the research trends in the digital library evaluation domain 

      Τσάκωνας, Γιάννης; Μητρέλης, Άγγελος; Παπαχριστόπουλος, Λεωνίδας; Παπαθεοδώρου, Χρήστος; Tsakonas, Giannis; Mitrelis, Angelos; Papachristopoulos, Leonidas; Papatheodorou, Christos (2012)
      Evaluation is a vital research area in the digital library domain, demonstrating a growing literature in conference and journal papers. In this poster we present the research trends that governed the field within the decade ...
    • Exploratory Research Regarding Faculty Attitudes towards the Institutional Repository and Self Archiving 

      Κυριακή-Μάνεση, Δάφνη; Κουλούρης, Αλέξανδρος; Γιαννακόπουλος, Γεώργιος Α.; Ζέρβος, Σπύρος; Giannakopoulos, Georgios A.; Zervos, Sryridon; Koulouris, Alexandros; Kyriaki Manesi, Daphne (2012)
      Over the past year the Library of the TEI of Athens has launched an Institutional Repository containing Faculty's published and unpublished work, students’ theses and a major collection called “Institutional Archives”. The ...
    • An Exploratory Study of User Perception in Visual Search Interfaces Based on SKOS 

      Στοΐτσης, Γιάννης; Μπινιάρη, Κατερίνα; Gaona-Garcí, Paulo Alonso; Sánchez-Alonso, Salvador; Stoitsis, Giannis; Biniari, Katerina (2016)
      Repositories are web portals that provide access to learning objects. Resources can be easily located through the use of metadata, an important factor to increase the ease of searching for digital resources in repositories. ...
    • Exploratory Web Searching with Dynamic Taxonomies and Results Clustering 

      Παπαδάκος, Παναγιώτης; Κοπιδάκη, Στέλλα; Τζίτζικας, Ιωάννης; Αρμενατζόγλου, Νίκος; Tzitzikas, Yannis; Armenatzoglou, Nikos; Kopidaki, Stella; Papadakos, Panagiotis (2009)
      This paper proposes exploiting both explicit and mined metadata for enriching Web searching with exploration services. On-line results clustering is useful for providing users with overviews of the results and thus allowing ...
    • Exploratory Web Searching with Dynamic Taxonomies, Results Clustering and Visualization 

      Παπαδάκος, Παναγιώτης; Papadakos, Panagiotis (2009)
      The general objective of this dissertation is to elaborate on methods and techniques for exploring and progressively refining large volumes of heterogeneous information, through the provision of appropriate models of ...
    • Exploring perspectives on the evaluation of digital libraries 

      Τσάκωνας, Γιάννης; Παπαθεοδώρου, Χρήστος; Tsakonas, Giannis; Papatheodorou, Christos (2013-06-12)
    • Exploring query formulation and reformulation: a preliminary study to map users' search behaviour 

      Καπιδάκης, Σαράντος; Μάστορα, Άννα; Μονόπωλη, Μαρία; Kapidakis, Sarantos; Mastora, Anna; Monopoli, Maria (2008)
      This study aims to investigate the query formulation and reformulation patterns such as generalisations, specifications, parallel movements and replacements with synonyms within the search procedure. Results showed that ...
    • Exploring the information seeking behavior of Greek graduate students: A case study set in the University of Macedonia 

      Μάλλιαρη, Αφροδίτη; Κορομπίλη-Ξαντίδου, Στέλλα; Ζαπουνίδου, Σοφία; Zapounidou, Sofia; Korobili - Xantinidou, Stella; Malliari, Aphrodite (2011)
      This paper describes a survey designed to determine the information seeking behavior of graduate students at the University of Macedonia (UoM). The survey is a continuation of a previous one undertaken in the Faculties of ...
    • 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 ...
    • Expression of Z39.50 supported search capabilities by applying formal descriptions 

      Καπιδάκης, Σαράντος; Σφακάκης, Μιχάλης; Kapidakis, Sarantos; Sfakakis, Michalis (2005)
      The wide adoption of the Z39.50 protocol from the Libraries exposes their abilities to participate in a distributed environment. In spite of the protocol specification of a unified global access mechanism, query failures ...
    • Expressiveness and machine processability of Knowledge Organization Systems (KOS): an analysis of concepts and relations 

      Peponakis, Manolis; Mastora, Anna; Kapidakis, Sarantos; Doerr, Martin (2019)
      This study considers the expressiveness (that is, the expressive power or expressivity) of different types of Knowledge Organization Systems (KOS) and discusses its potential to be machine-processable in the context of the ...
    • Extending Convergence and Divergence in Cultural Memory Institutions: the Old Slave Lodge in the New South Africa 

      Dick, Archie L. (2011)
      This paper discusses collaborative knowledge creation by means of a digital cultural heritage project. Using the concepts of production and consumption, the paper proposes their usefulness to extend convergence and divergence ...
    • Extending European information access through mobile library services: some first results 

      Τροχόπουλος, Γιάννης Ισ.; Carpenter, j.; Trohopoulos, Ioannis (1997)
      Provides an overview of Greek public libraries. Focuses on the MOBILE mobile libraries project covering its design and expected outcomes. Considers: user surveys and results; how the surveys were designed and the factors ...
    • An Extensive Experimental Study on the Cluster-based Reference Set Reduction for Speeding-up the k-NN Classifier 

      Δέρβος, Δημήτρης; Ευαγγελίδης, Γεώργιος; Ουγιάρογλου, Στέφανος; Dervos, Dimitris; Evangelidis, Georgios; Ougiaroglou, Stefanos (2011)
      The k-Nearest Neighbor (k-NN) classification algorithm is one of the most widely-used lazy classifiers because of its simplicity and ease of implementation. It is considered to be an effective classifier and has many ...
    • Extracting Useful Information from MEDLINE/PubMed 

      Kapidakis, Sarantos; Pylarinou, Stamatoula; Ligoudistianos, Spyros (2019)
      The article reports that the processing data extracted from MEDLINE/PubMed can offer hospital librarians a chance to improve services in the library. It mentions that scholarly publishing of hospital personnel shows research ...