Now showing items 1-20 of 30

    • 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 ...
    • Computing, explaining and visualizing shape similarity in content-based image retrieval 

      Ανδρέου, Ιωάννης; Σγουρός, Νικήτας Μ.; Andreou, Ioannis; Sgouros, Nikitas M (2005)
      Although there is a growing need for Content-Based Image Retrieval systems, their use is often hampered by significant computational complexity and their inability to explain to their users the reasoning behind the similarity ...
    • 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 ...
    • Encoding of public records and procedures in electronic registries 

      Παπαθεοδώρου, Χρήστος; Προκοπιάδου, Γεωργία; Μοσχόπουλος, Διονύσης; Papatheodorou, Christos; Moschopoulos, Denis; Procopiadou, Georgia (2004)
      An electronic registry is the main mechanism for the official distribution of public records, which are created within the framework of administrative procedures and business transactions. The encoding of public records ...
    • 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 ...
    • g-binary: a new non-parameterized code for improved inverted file compression 

      Νίτσος, Ηλίας; Δέρβος, Δημήτρης; Ευαγγελίδης, Γεώργιος; Dervos, Dimitris; Evangelidis, Georgios; Nitsos, Ilias (2003)
      The inverted file is a popular and efficient method for indexing text databases and is being used widely in information retrieval applications. As a result, the research literature is rich in models (global and local) that ...
    • Guest Editorial 

      Σακάς, Δαμιανός Π.; Γιαννακόπουλος, Γεώργιος Α.; Giannakopoulos, Georgios A.; Sakas, Damianos P. (2014)
      An introduction is presented in which the guest editors express their gratitude to the journal for allowing them to publish some important contributions to the International Conference on Integrated Information (IC-ININFO) ...
    • Information technology in Greek libraries: an update 

      Τροχόπουλος, Γιάννης Ισ.; Hartley, R.J.; Trohopoulos, Ioannis (1991)
      Update of a previous article (see 91/1258), reporting on a Second studytour to observe progress in the application of information technology in Greek libraries. From Spring 90-Nov 90 there were advances in the availability ...
    • Information technology in Greek libraries: problems and prospects 

      Τροχόπουλος, Γιάννης Ισ.; Hartley, R.J.; Trohopoulos, Ioannis (1990)
      The authors undertook a tour of Greek libraries in Spring 90 in order to present a report to their sponsors (the British Council and the Greek Ministry of Education) on the possibilities for and the problems associated ...
    • Linked data for libraries: creating a global knowledge space, a systematic literature review 

      Gaitanou, Panorea; Andreou, Ioanna; Sicilia, Miguel-Ángel; Garoufallou, Emmanouel (2022-05)
      The Semantic Web in general and the Linked Open Data Initiative, in particular, are a growing movement for organisations to make their existing data available in a machine-readable format. Thus, institutions are highly ...
    • Management Information Services for Enhancing Interoperability in Radiology through Segmentation Techniques 

      Κωσταγιόλας, Πέτρος; Ζημέρας, Στέλιος; Karangelis, George; Zimeras, Stelios; Kostagiolas, Petros (2007)
      An efficient information sharing environment can enhance interoperability within any organization. Healthcare organizations and hospitals, in particular, are no exception. Indeed, managing hospital processes, through the ...
    • 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 ...
    • PROJECT VERITY: virtual and Electronic Resources for Information Skills Training for Young People 

      Παπάζογλου, Αλεξάνδρα; Papazoglou, Alexandra (1999)
      Introduces VERITY (Virtual and Electronic Resources for Information Skills Training for Young People) and its Virtual Librarian to help young people with their information seeking process. VERITY, funded by the Libraries ...
    • The role of libraries in the fake news era: a survey of information scientists and library science students in Greece 

      Skarpa, Paraskevi El.; Garoufallou, Emmanouel (2022)
      Currently, knowing where to seek for reliable information may be one of the most important human skills. Data reliability is a matter of debate. The online dissemination of information has been a field for the reproduction ...
    • A semantics-based substitution for unsupported Z39.50 Bib-1 access points 

      Καπιδάκης, Σαράντος; Σφακάκης, Μιχάλης; Kapidakis, Sarantos; Sfakakis, Michalis (2007)
      Unsupported Z39.50 Access Points result to query failures and/or inconsistent answers, in spite of the protocol specification for a unified global access mechanism. A challenge to this issue is to substitute an unsupported ...
    • Temporal disjunctive logic programming 

      Γεργατσούλης, Μανώλης; Ροντογιάννης, Παναγιώτης; Παναγιωτόπουλος, Θέμης; Gergatsoulis, Manolis; Rondogiannis, Panos; Panayiotopoulos, Themis (2001)
      In this paper we introduce the logic programming language Disjunctive Chronolog which combines the programming paradigms of temporal and disjunctive logic programming. Disjunctive Chronolog is capable of expressing dynamic ...
    • Unfold/fold transformations for disjunctive logic programs 

      Γεργατσούλης, Μανώλης; Ροντογιάννης, Παναγιώτης; Gergatsoulis, Manolis; Rondogiannis, Panos (1997)
      Unfold/fold transformation rules for disjunctive logic programs are proposed in this paper. Our transformation rules preserve the meaning of the programs.
    • Union rewritings for XPath fragments 

      Γεργατσούλης, Μανώλης; Αφράτη, Φώτο; Damigos, M.; Gergatsoulis, Manolis; Afrati, Foto (2011)
      In this paper, we study the problem of finding an equivalent rewriting of an XPath query using multiple views, and we show that the union operator may be required in order to find such a rewriting. In particular, focusing ...