Now showing items 1-3 of 3

    • Efficiency and effectiveness of XML keyword search using a full element index 

      Atılgan, Duygu (Bilkent University, 2010)
      In the last decade, both the academia and industry proposed several techniques to allow keyword search on XML databases and document collections. A common data structure employed in most of these approaches is an inverted ...
    • Exploiting index pruning methods for clustering XML collections 

      Altıngövde, İsmail Şengör; Atılgan, Duygu; Ulusoy, Özgür (Springer, Berlin, Heidelberg, 2010)
      In this paper, we first employ the well known Cover-Coefficient Based Clustering Methodology (C3M) for clustering XML documents. Next, we apply index pruning techniques from the literature to reduce the size of the document ...
    • XML retrieval using pruned element-index files 

      Altıngövde, İsmail Şengör; Atılgan, Duygu; Ulusoy, Özgür (Springer, Berlin, Heidelberg, 2010)
      An element-index is a crucial mechanism for supporting content-only (CO) queries over XML collections. A full element-index that indexes each element along with the content of its descendants involves a high redundancy and ...