620 search results - page 83 / 124 » Optimizing Path Expression Queries of XML Data |
222
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SIGMOD
2008
ACM
16 years 3 months ago
2008
ACM
Text documents often embed data that is structured in nature. This structured data is increasingly exposed using information extraction systems, which generate structured relation...
129
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SEMWEB
2010
Springer
15 years 28 days ago
2010
Springer
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
217
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SIGMOD
2007
ACM
16 years 3 months ago
2007
ACM
Managing uncertain data using probabilistic frameworks has attracted much interest lately in the database literature, and a central computational challenge is probabilistic infere...
125
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DOCENG
2006
ACM
15 years 9 months ago
2006
ACM
Mash-ups extract data fragments from disparate sources, and combine and transform the extracted fragments for display. Currently, mash-up developers tend to employ ad hoc represen...
128
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SACMAT
2005
ACM
15 years 8 months ago
2005
ACM
We investigate a generalization of the notion of XML security view introduced by Stoica and Farkas [17] and later refined by Fan et al. [8]. The model consists of access control ...