4113 search results - page 481 / 823 » Watermarking Relational Databases |
143
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PODS
2001
ACM
16 years 5 months ago
2001
ACM
Database systems frequently have to execute a set of related queries, which share several common subexpressions. Multi-query optimization exploits this, by finding evaluation plan...
150
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PODS
2004
ACM
16 years 5 months ago
2004
ACM
We present the Lixto project, which is both a research project in database theory and a commercial enterprise that develops Web data extraction (wrapping) and Web service definiti...
160
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PODS
2008
ACM
16 years 5 months ago
2008
ACM
We consider the navigational core of XPath, extended with two operators: the Kleene star for taking the transitive closure of path expressions, and a subtree relativisation operat...
136
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ICDE
2010
IEEE
16 years 4 months ago
2010
IEEE
Research on spatial network databases has so far considered that there is a single cost value associated with each road segment of the network. In most real-world situations, howev...
144
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ICDE
2010
IEEE
16 years 4 months ago
2010
IEEE
A fundamental problem in XML query processing is tree pattern query (TPQ) matching which computes all data instances in an XML database that match an input TPQ. There is a lot of r...