Browsing by Subject "Information retrieval"

Now showing items 1-20 of 29

    • CDSware (CERN Document Server Software) 

      Σίτας, Ανέστης; Sitas, Anestis (2006)
      The purpose of this article is to describe CDSware (CERN Document Server Software), a software developed at CERN. Design/methodology/approach – CDSware supports the creation of electronic preprint servers, Online Public ...

    • Developing a Web Tool for Searching and Viewing Collections of High-Quality Cultural Images 

      Λαζαρίνης, Φώτης; Lazarinis, Fotis (2010)
      Searching for information and viewing visual representations of products in e-organisations is a common activity of the e-visitors to these organisations. For example, in e-museums, users are shown images or other visual ...

    • Eliminating query failures in a work-centric library meta-search environment 

      Καπιδάκης, Σαράντος; Σφακάκης, Μιχάλης; Kapidakis, Sarantos; Sfakakis, Michalis (2009)
      Purpose - This paper aims to describe how approaches such as semantic based query rewritings and FRBR work entities composition could solve existing problems and improve the overall behavior of a mediated based meta-search ...

    • Evaluation Insights to Key Processes of Digital Repositories 

      Κουμούτσος, Κωνσταντίνος; Μητρέλης, Άγγελος; Τσάκωνας, Γιάννης; Mitrelis, Angelos; Tsakonas, Giannis; Koumoutsos, Konstantinos (2010)
      Digital repositories are considered essential information tools for scholarly communication. Their acceptability and extensive use by communities and institutions, as well as the users’ commitment in self-archiving, highlight ...

    • 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 ...

    • Hierarchical data placement for navigational multimedia applications 

      Βακάλη, Αθηνά; Τερζή, Εβημαρία; Bertino, Elisa; Elmagarmid, Ahmed; Vakali, Athena; Terzi, Evimaria (2003)
      Navigation has added interactivity in nowadays multimedia applications which support effective accessing to objects of various formats and presentation requirements. Storage issues need to be reconsidered for the new type ...

    • Information seeking in electronic environment: a comparative investigation among computer scientists in British and Greek universities 

      Σιάτρη, Ράνια; Siatri, Rania (1999)
      Examines the information-seeking behaviour of academic computer scientists in an electronic environment. Although there have been many studies examining the behavior of various academic and non-academic groups, none has ...

    • Learners' perceptions on the importance of learning object metadata for relevance judgement 

      Γαρουφάλλου, Εμμανουήλ; Μπαλατσούκας, Παναγιώτης; Ασδέρη, Στυλιανή; Σιάτρη, Ράνια; Morris, A.; O'Brien, A.; Garoufallou, Emmanouel; Balatsoukas, Panos; Asderi, Styliani; Siatri, Rania (2012)
      The purpose of this study was to investigate university students' perceptions on the importance of learning object metadata elements for judging the relevance of learning objects. In order to address this objective an ...

    • 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 ...

    • Reasoning against a semantic digital library framework based on grid technology 

      Παπαδάκης, Ιωάννης; Αβρααμίδης, Αγάπιος; Χρυσικόπουλος, Βασίλειος; Chrissikopoulos, Vassilis; Avramidis, Agapios; Papadakis, Ioannis (2005)
      Purpose - Aims to bridge the gap between grid computing and semantic exploitation of information commonly met in digital library infrastructures. Design/methodology/approach - This paper introduces a semantic digital library ...

    • Semantic Abstractions in the Multimedia Domain 

      Μεγάλου, Ελίνα; Χατζηλάκος, Θανάσης; Megalou, Elina; Hadzilacos, Thanasis (2003)
      Purpose -- Searching for information and viewing visual representations of products in e-organisations is a common activity of the e-visitors to these organisations. For example, in e-museums, users are shown images or ...

    • Towards text copyright detection using metadata in web applications 

      Μπώκος, Γιώργος Δ.; Πούλος, Μάριος Σ.; Κορφιάτης, Νικόλαος; Poulos, Marios S.; Korfiatis, Nikolaos; Bokos, George D. (2011)
      This paper aims to present the semantic content identifier (SCI), a permanent identifier, computed through a linear-time onion-peeling algorithm that enables the extraction of semantic features from a text, and the integration ...

    • User Interface for a Geo-Temporal Search Service Using DIGMAP Components 

      Machado, Jorge; Pedrosa, Gilberto; Freire, Nuno; Martins, Bruno; Manguinhas, Hugo (2009)
      This demo presents a user interface for a Geo-Temporal search service built in the sequence of DIGMAP project. DIGMAP was a co-funded European Union project on old digitized maps and deals with resources rich in geographic and ...

    • Using digital corpora for preserving and processing cultural heritage texts: a case study 

      Γαλιώτου, Ελένη; Galiotou, Eleni (2014)
      The purpose of this paper is to describe the creation and exploitation of a historical corpus in an attempt to contribute to the preservation and availability of cultural heritage documents. Design/methodology/approach – ...

    • Visualizing OPAC subject headings. 

      Παπαδάκης, Ιωάννης; Στεφανιδάκης, Μιχάλης; Τζάλη, Κατερίνα; Papadakis, Ioannis; Stefanidakis, Michalis; Tzali, Katerina (2008)
      This paper aims at providing a robust, user-friendly and efficient navigation procedure in an online library catalog that is based on semantic information encapsulated within subject headings. Instead of relying on a static, ...

    • Web authentic and similar texts detection using AR digital signature 

      Πούλος, Μάριος Σ.; Σκιαδόπουλος, Σπύρος; Μπώκος, Γιώργος Δ.; Poulos, Marios S.; Skiadopoulos, Nikos; Bokos, George D. (2010)
      In this paper, we propose a new identification technique based on an AR model with a complexity of size O(n) times in web form, with the aim of creating a unique serial number for texts and to detect authentic or similar ...

    • Αξιοπιστία και αποτελεσματικότητα των ελληνικών καταλόγων: ασυνέπειες και λάθη στα αρχεία καθιερωμένων ονομάτων 

      Άνθη-Καλοφωλιά, Έλλη; Anthi-Kalofolia, Elli (Ιόνιο Πανεπιστήμιο, 2004)
      Τα αρχεία καθιερωμένων ονομάτων (φυσικών προσώπων και συλλογικών οργάνων) των αυτοματοποιημένων καταλόγων (OPACs) των ελληνικών βιβλιοθηκών, όπως προέκυψε από σχετική έρευνα που πραγματοποιήθηκε, σε περισσότερες από 100 ...

    • Βιβλιοθηκονομία, παρόν και μέλλον 

      Ανδρέου, Ανδρέας Κ. 1972-; Andreou, Andreas K. 1972- (2000)
      Αυτό το άρθρο εξετάζει το μέλλον της επιστήμης της Βιβλιοθηκονομίας και περιγράφει την επιρροή που έχει το διαδίκτυο και οι νέες τεχνολογίες στο επάγγελμα του βιβλιοθηκονόμου. Περιγράφει επίσης γιατί οι βιβλιοθηκονόμοι και ...

    • Ένα εργαλείο σε Java για την ανάκτηση πληροφοριών και τον εντοπισμό ομοιοτήτων σε ακαδημαϊκές εκδόσεις με τη χρήση τεχνικών εξόρυξης δεδομένων 

      Γαρουφάλλου, Εμμανουήλ; Ρουσίδης, Δημήτρης; Μπαλατσούκας, Παναγιώτης; Garoufallou, Emmanouel; Rousidis, Dimitris; Balatsoukas, Panos (Πανεπιστήμιο Πειραιά, 2012)
      Μια πληθώρα νέων δεδομένων και πληροφοριών προσθέτονται κάθε μέρα στον ακαδημαϊκό τομέα. Ο αριθμός των ακαδημαϊκών άρθρων αυξάνεται εκθετικά κάθε χρόνο καθιστώντας αυτή την τεράστια δεξαμενή γνώσης προβληματική ως προς ...

    • Έρευνα για την ανάπτυξη ψηφιακών βιβλιοθηκών από τις ελληνικές ακαδημαϊκές βιβλιοθήκες 

      Γαρουφάλλου, Εμμανουήλ; Μπαλατσούκας, Παναγιώτης; Garoufallou, Emmanouel; Balatsoukas, Panos (Ιόνιο Πανεπιστήμιο, 2004)
      Η παρούσα ανακοίνωση παρουσιάζει τα αποτελέσματα έρευνας που εξέταζε το επίπεδο ανάπτυξης των ψηφιακών βιβλιοθηκών των ελληνικών ακαδημαϊκών βιβλιοθηκών. Η έρευνα πραγματοποιήθηκε την περίοδο Φεβρουαρίου-Ιουνίου 2003 σε ...