735 search results - page 48 / 147 » Evaluating Probabilistic Queries over Imprecise Data |
198
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ICDE
2006
IEEE
16 years 1 months ago
2006
IEEE
Until recently, most data integration techniques involved central components, e.g., global schemas, to enable transparent access to heterogeneous databases. Today, however, with t...
103
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DASFAA
2007
IEEE
15 years 3 months ago
2007
IEEE
Abstract. We have defined an XML structural index called the Structure Index Tree (SIT), which eliminates duplicate structures arising from the equivalent subtrees in an XML docume...
174
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CSFW
2011
IEEE
13 years 11 months ago
2011
IEEE
—This paper explores the idea of knowledge-based security policies, which are used to decide whether to answer queries over secret data based on an estimation of the querier’s ...
194
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ICDE
2008
IEEE
16 years 1 months ago
2008
IEEE
Answering queries using materialized views has been well studied in the context of structured queries and has shown significant performance benefits. Despite the popularity of keyw...
ICDIM
2007
IEEE
15 years 6 months ago
2007
IEEE
: Integrated access to distributed data is an important problem faced in scientific and commercial applications. A data integration system provides a unified view for users to subm...