Now showing items 1-3 of 3

    • Adaptive time-to-live strategies for query result caching in web search engines 

      Alıcı, Sadiye; Altıngövde, I. Ş.; Rıfat, Özcan; Cambazoğlu, B. Barla; Ulusoy, Özgür (2012)
      An important research problem that has recently started to receive attention is the freshness issue in search engine result caches. In the current techniques in literature, the cached search result pages are associated ...
    • In praise of laziness: A lazy strategy for web information extraction 

      Özcan, Rıfat; Altıngövde, I. Ş.; Ulusoy, Özgür (2012)
      A large number of Web information extraction algorithms are based on machine learning techniques. For such extraction algorithms, we propose employing a lazy learning strategy to build a specialized model for each test ...
    • On the size of full element-indexes for XML keyword search 

      Atilgan, Duygu; Altıngövde, I. Ş.; Ulusoy, Özgür (2012)
      We show that a full element-index can be as space-efficient as a direct index with Dewey ids, after compression using typical techniques. © 2012 Springer-Verlag Berlin Heidelberg.