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    • closedAccess   Fragment-based approximate retrieval in highly heterogeneous XML collections 

      Sanz, Ismael; Mesiti, Marco; Guerrini, G.; Berlanga Llavori, Rafael Elsevier (2008)
      Due to the heterogeneous nature of XML data for internet applications exact matching of queries is often inadequate. The need arises to quickly identify subtrees of XML documents in a collection that are similar to a given ...