Now showing items 1-5 of 5

    • AssetCollector: a system for managing collections of cultural assets 

      Στυλιάρας, Γεώργιος Δ.; Τσώλης, Γεώργιος Κ.; Παπατέρπος, Χρήστος; Styliaras, Georgios; Tsolis, Georgios; Papaterpos, Chris (2007)
      In this paper, AssetCollector is presented, which is a system for managing collections of cultural assets. AssetCollector covers the needs of collection curators towards defining, populating and searching a collection in ...
    • 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 ...
    • Mapping objects 

      Ιωαννίδης, Γιάννης; Πεντάρης, Φραγκίσκος; Ioannidis, Yannis; Pentaris, Fragkiskos (2004)
      We present a technique that is based on volatile mapping objects and enables wrappers-based mediation architectures to describe bi-directional (read– write) interschema mappings of multiple, disparate data sources. We ...
    • Merging Controlled Vocabularies for More Efficient Subject-Based IR Systems 

      Παπαδάκης, Ιωάννης; Κυπριανός, Κωνσταντίνος; Papadakis, Ioannis; Kyprianos, Konstantinos (2011)
      The article presents a methodology designed to provide a common structure that consists of terms belonging to Library of Congress Subject Headings (LCSH) and/or a thesaurus. It notes that this common structure is a Simple ...
    • View selection for real conjunctive queries 

      Αφράτη, Φώτο; Γεργατσούλης, Μανώλης; Παυλάκη, Βάσια; Chirkova, Rada; Afrati, Foto; Gergatsoulis, Manolis; Pavlaki, Vassia (2007)
      Given a query workload, a database and a set of constraints, the view-selection problem is to select views to materialize so that the constraints are satisfied and the views can be used to compute the queries in the workload ...