Browsing by Author "Angelis, Lefteris"

Now showing items 1-7 of 7

    • Book Chapter  

      Clustering web information sources 

      Vakali, Athena I.; Pallis, George C.; Angelis, Lefteris (IGI Global, 2006)
      The explosive growth of the Web has drastically increased information circulation and dissemination rates. As the numbers of both Web users and Web sources grow significantly every day, crucial data management issues, such ...
    • Book Chapter  

      Clustering web information sources 

      Vakali, Athena I.; Pallis, George C.; Angelis, Lefteris (IGI Global, 2008)
      The explosive growth of the Web scale has drastically increased information circulation and dissemination rates. As the number of both Web users and Web sources grows significantly everyday, crucial data management issues, ...
    • Article  

      Establishment of computational biology in Greece and Cyprus: Past, present, and future 

      Chasapi, Anastasia; Aivaliotis, Michalis; Angelis, Lefteris; Chanalaris, Anastasios; Iliopoulos, Ioannis; Kappas, Ilias; Karapiperis, Christos; Kyrpides, Nikos C.; Pafilis, Evangelos; Panteris, Eleftherios; Topalis, Pantelis; Tsiamis, George; Vizirianakis, Ioannis S.; Vlassi, Metaxia; Promponas, Vasilis J.; Ouzounis, Christos A. (2019)
    • Article  

      Model-based cluster analysis for Web users sessions 

      Pallis, George C.; Angelis, Lefteris; Vakali, Athena I. (2005)
      One of the main issues in Web usage mining is the discovery of patterns in the navigational behavior of Web users. Standard approaches, such as clustering of users' sessions and discovering association rules or frequent ...
    • Conference Object  

      A probabilistic validation algorithm for web users' clusters 

      Pallis, George C.; Angelis, Lefteris; Vakali, Athena I.; Pokorný, Jaroslav (2004)
      Cluster analysis is one of the most important aspects in the data mining process for discovering groups and identifying interesting distributions or patterns over the considered data sets. In the context of Web data mining, ...
    • Conference Object  

      A Study on Workload Characterization for a Web Proxy Server 

      Pallis, George C.; Vakali, Athena I.; Angelis, Lefteris; Saïd Hacid, M. (2003)
      The popularity of the World-Wide-Web has increased dramatically in the past few years. Web proxy servers have an important role in reducing server loads, network traffic, and client request latencies. This paper presents ...
    • Article  

      Validation and interpretation of Web users' sessions clusters 

      Pallis, George C.; Angelis, Lefteris; Vakali, Athena I. (2007)
      Understanding users' navigation on the Web is important towards improving the quality of information and the speed of accessing large-scale Web data sources. Clustering of users' navigation into sessions has been proposed ...