Now showing items 1-14 of 14

    • Development, integration and test of an automatic UAV recovery system for the CL227 VTOL-UAV 

      Μπώκος, Γιώργος Δ.; Ferrier, Bernard; Bokos, George D. (1995)
      The CL227 autoland program was designed to operate at sea from small ship combatants. This article highlights the evolution of the automated ship recovery system being developed in support of the CL227 UAV. Test results ...
    • Disaster management approaches for academic libraries: an issue not to be neglected in Greece 

      Κωσταγιόλας, Πέτρος; Αρακά, Ηλιάνα; Θεοδώρου, Ρωξάνα; Μπώκος, Γιώργος Δ.; Araka, Iliana; Theodorou, Roxana; Kostagiolas, Petros; Bokos, George D. (2011)
      Although issues on disaster prevention have extensively been studied in the literature and have been embedded in everyday library practices all over the world, the vast majority of Greek libraries have not developed any ...
    • Evaluating authoritative sources using social networks: an insight from Wikipedia 

      Μπώκος, Γιώργος Δ.; Κορφιάτης, Νικόλαος; Πούλος, Μάριος Σ.; Korfiatis, Nikolaos; Poulos, Marios S.; Bokos, George D. (2006)
      The purpose of this paper is to present an approach to evaluating contributions in collaborative authoring environments, and in particular, Wikis using social network measures. Design/methodology/approach – A social ...
    • Main subject detection of image by cropping specific sharp area 

      Μπώκος, Γιώργος Δ.; Βαιούλης, Φώτιος; Πούλος, Μάριος Σ.; Αλεξανδρής, Νικόλαος Α.; Vaioulis, Fotios; Poulos, Marios S.; Alexandris, Nikolaos A.; Bokos, George D. (2005)
      In this paper we faced the problem of main subject detection of an image. We used a method called Composition-Guided Image Acquisition in order to get a mask around the main subject of the image. Then we cropped an area ...
    • National Library of Greece: automation and choice of format 

      Μπώκος, Γιώργος Δ.; Bokos, George D. (1992)
      Discusses the current state of library automation and choice of formats in libraries in Greece focusing on the automation activities of the National Library of Greece and reasons for the selection of UNIMARC. Examines basic ...
    • A non-linear index to evaluate a journal's scientific impact 

      Μπώκος, Γιώργος Δ.; Παπαβλασόπουλος, Σώζων; Πούλος, Μάριος Σ.; Κορφιάτης, Νικόλαος; Sozon Papavlasopoulos; Korfiatis, Nikolaos; Bokos, George D.; Poulos, Marios S. (2010)
      The purpose of this study is to define a bibliometric indicator of the scientific impact of a journal, which combines objectivity with the ability to bridge many different bibliometric factors and in particular the side ...
    • An OCR system for Greek printed early books based on computational geometry algorithms 

      Μπώκος, Γιώργος Δ.; Πούλος, Μάριος Σ.; Κόκκωνας, Ιωάννης; Παπαβλασόπουλος, Σώζων; Poulos, Marios S.; Kokkonas, Yannis; Papavlasopoulos, Sozon; Bokos, George D. (2010)
      In this paper we propose a novel OCR system for Greek printed early books, combining image preprocessing with computational geometry technologies. Our aim was to carry out OCR digitalisation of a large collection of ...
    • Social metadata for the impact factor 

      Κορφιάτης, Νικόλαος; Μπώκος, Γιώργος Δ.; Πούλος, Μάριος Σ.; Korfiatis, Nikolaos; Poulos, Marios S.; Bokos, George D. (2007)
      The purpose of this research is to address the need for a definition of metadata descriptors for use in enhancing the accuracy of bibliometric instruments of scholarly evaluation, such as the impact factor. Design/met ...
    • Specific Selection of FFT Amplitudes from Audio Sports and News Broadcasting for Classification Purposes 

      Μπώκος, Γιώργος Δ.; Πούλος, Μάριος Σ.; Παπαβλασόπουλος, Σώζων; Κανελλόπουλος, Νικόλαος; Poulos, Marios S.; Papavlasopoulos, Sozon; Kanellopoulos, Nikolaos; Bokos, George D. (2007)
      In this paper we investigate the problem of classification between sports and news broadcasting. We detect and classify files that consist of speech and music or background noise (news broadcasting), and speech and a noisy ...
    • 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 ...
    • Towards the Semantic Extraction of Digital Signatures for Librarian Image-Identification Purposes 

      Πούλος, Μάριος Σ.; Μπώκος, Γιώργος Δ.; Βαιούλης, Φώτιος; Poulos, Marios S.; Vaioulis, Fotios; Bokos, George D. (2008)
      In study we attempt to solve the problem of determining how authentic published images on the Internet are, and to what degree they may be identified by comparison to the original image. The technique proposed aims to serve ...
    • UNIMARC, CDS/ISIS and conversion of records in the national library of Greece 

      Μπώκος, Γιώργος Δ.; Bokos, George D. (1993)
      Presents the results of the LIBACT1/GR project concerning the implementation of UNIMARC and CDS/ISIS in the National Library of Greece and the conversion of the existing records of the Library into the UNIMARC format. ...
    • 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 ...
    • An XML schema for the sharing and communication of heterogeneous EEG data for diagnostic and research purposes 

      Μπώκος, Γιώργος Δ.; Πούλος, Μάριος Σ.; Παπαβλασόπουλος, Σώζων; Ευαγγέλου, Άγγελος Μ.; Poulos, Marios S.; Papavlasopoulos, Sozon; Evangelou, Angelos M.; Bokos, George D. (2006)
      In this paper we address the problem of developing appropriate data formats and structural descriptions for the electroencephalogram (EEG). Facilitating data interchange and interoperability of EEGs, including search and ...