Now showing items 1-20 of 42

    • ACM International Conference Proceeding Series 

      Καπιδάκης, Σαράντος; Μάστορα, Άννα; Kapidakis, Sarantos; Mastora, Anna (2012)
      The purpose of this study is to examine the Google facets, namely the suggestions found occasionally under the section "Searches related to" on the Google results page. The study focuses on whether they constitute good ...
    • An adaptable framework for integrating and querying sensor data 

      Καπιδάκης, Σαράντος; Ferdous, S.; Fegaras, L.; Makedon, Filia; Kapidakis, Sarantos (2011)
      Sensor data generated by pervasive applications are very diverse and are rarely described in standard or established formats. Consequently, one of the greatest challenges in pervasive systems is to integrate heterogeneous ...
    • An architecture for online information integration on concurrent resource access on a Z39.50 environment 

      Καπιδάκης, Σαράντος; Σφακάκης, Μιχάλης; Kapidakis, Sarantos; Sfakakis, Michalis (2003)
      The lack of information integration, by the existing online systems, for resource sharing in a distributed environment, impacts directly to the development and the usage of dynamically defined Virtual Union Catalogues. In ...
    • Comparing metadata quality in the Europeana context 

      Καπιδάκης, Σαράντος; Kapidakis, Sarantos (2012)
      The quality of the metadata affects the interoperability of the collections and the quality of all search results, and is important to the success of Europeana. It is not obvious how to define quality metrics, on different ...
    • Computer aided sensor placement and automatic state definition 

      Καπιδάκης, Σαράντος; Ferdous, S.; Makedon, Filia; Papangelis, A.; Galatas, G.; Kapidakis, Sarantos (2010)
      The design of an Finite State Machine for human activity recognition heavily depends on the type, number and deployment of the sensors used. In this work we propose a tool that automatically creates the FSM, independently ...
    • Data Brokers: building collections through automated negotiation 

      Καπιδάκης, Σαράντος; Makedon, Filia; Ye, S.; Zhang, S.; Ford, J.; Shen, L.; Kapidakis, Sarantos (2004)
      Collecting digital materials is time-consuming and can gain from automation. Since each source - and even each acquisition - may involve a separate negotiation of terms, a collector may prefer to use a broker to represent ...
    • Describing immovable monuments with metadata standards 

      Καπιδάκης, Σαράντος; Αγαθός, Μιχαήλ; Agathos, Michail; Kapidakis, Sarantos (2012)
      Collections with immovable monuments are less researched than other material of our culture from the aspect of description. This led us to study the metadata elements hosted in various heterogeneous schemas by local ...
    • Document delivery system for Greek libraries 

      Καπιδάκης, Σαράντος; Kapidakis, Sarantos (2002)
      The capability of the current Union Catalogue application, which assists the cooperation between 232 libraries throughout Greece, is discussed. Using this application, librarians can search for desired scientific journals, ...
    • Duplicate detection algorithms of bibliographic descriptions 

      Σίτας, Ανέστης; Καπιδάκης, Σαράντος; Sitas, Anestis; Kapidakis, Sarantos (2008)
      Purpose - The purpose of this paper is to focus on duplicate record detection algorithms used for detection in bibliographic databases. Design-methodology-approach - Individual algorithms, their application process for ...
    • Editorial for the TPDL 2015 special issue 

      Mazurek, Cezary; Werla, Marcin; Kapidakis, Sarantos; Καπιδάκης, Σαράντος (2016-09)
      An introduction to the journal is presented which discusses articles on topics including a semantic architecture for the preservation and interpretation of Irish historical vital records, the concept of a file history graph ...
    • 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 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; Klas, Claus-Peter; Fuhr, Norbert; Kriewel, S.; Albrechtsen, Hanne; Παπαθεοδώρου, Χρήστος; Τσάκωνας, Γιάννης; 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 ...
    • 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 ...
    • 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 ...
    • A framework for performance monitoring, load balancing, adaptive timeouts and quality of service in digital libraries 

      Καπιδάκης, Σαράντος; Sairamesh, Jakka; Τερζής, Σωτήρης; Kapidakis, Sarantos; Terzis, Sotirios (2000)
      Abstract. In this paper, we investigate the issues of performance management in large scale, autonomous and federated digital library systems, performing the tasks of indexing, searching and retrieval of information objects. ...
    • Geoskills Among Academic Librarians in Greece, Cyprus and Spain 

      Βαρδακώστα, Ιφιγένεια; Aguilar-Moreno, Estefanía; Granell-Canut, Carlos; Καπιδάκης, Σαράντος; Vardakosta, Ifigenia; Kapidakis, Sarantos (2016)
      Existing literature on Geographic Information (GI) and libraries points out that American and Canadian librarians have long been aware of the intimate relationship between geospatial data and libraries. In Europe, though, ...
    • Geospatial Data Collection Policies, Technology and Open Source in Websites of Academic Libraries Worldwide 

      Βαρδακώστα, Ιφιγένεια; Καπιδάκης, Σαράντος; Vardakosta, Ifigenia; Kapidakis, Sarantos (2016)
      The proliferation of geospatial data demands the engagement of information organizations, such as academic libraries, for their management and diffusion. The purpose of this paper is to reveal issues related to the ...
    • Harvesting metadata for immovable monuments from "local inventories" and mapping them to standards 

      Καπιδάκης, Σαράντος; Αγαθός, Μιχαήλ; Agathos, Michail; Kapidakis, Sarantos (2011)
      This work focuses on a harvesting of various metadata elements that exists in informally and heterogeneous schemas for the documentation of immovable monuments used from many Greek public services, working in the field of ...
    • Implementing enhanced OAI-PMH requirements for Europeana 

      Γαρουφάλλου, Εμμανουήλ; Χούσος, Νίκος; Σταμάτης, Κωνσταντίνος; Μπάνος, Ευάγγελος; Καπιδάκης, Σαράντος; Κουλούρης, Αλέξανδρος; Garoufallou, Emmanouel; Kapidakis, Sarantos; Koulouris, Alexandros; Banos, Vangelis; Houssos, Nikos; Stamatis, Kostas (2011)
      Europeana has put in a stretch many known procedures in digital libraries, imposing requirements difficult to be implemented in many small institutions, often without dedicated systems support personnel. Although there are ...