Relaxing XML Preference Queries for Cooperative Retrieval

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Relaxing XML Preference Queries for Cooperative Retrieval
Today XML is an essential technology for knowledge management within enterprises and dissemination of data over the Web. Therefore the efficient evaluation of XML queries has been thoroughly researched. But given the ever growing amount of information available in different sources, also querying becomes more complex. In contrast to simple exact match retrieval, approximate matches become far more appropriate over collections of complex XML documents. Only recently approximate XML query processing has been proposed where structure and value are subject to necessary relaxations. All the possible query relaxations determined by the user's preferences are generated in a way that predicates are progressively relaxed until a suitable set of best possible results is retrieved. In this paper we present a novel framework for developing preference relaxations to the query permitting additional flexibility in order to fulfil a user’s wishes. We also design IPX, an interface for XML prefer...
SungRan Cho, Wolf-Tilo Balke
Added 23 May 2010
Updated 23 May 2010
Type Conference
Year 2009
Authors SungRan Cho, Wolf-Tilo Balke
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