298 search results - page 40 / 60 » Query Rewriting in DL-Lite_^(HN)_horn |
262
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VLDB
2001
ACM
16 years 6 months ago
2001
ACM
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessing...
159
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ICDE
2010
IEEE
16 years 5 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...
156
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ICDE
2008
IEEE
16 years 16 days ago
2008
IEEE
— If we consider a query involving multiple domains, such as “find all database conferences held within six months in locations whose seasonal average temperature is 28◦ C a...
166
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WIDM
2003
ACM
15 years 11 months ago
2003
ACM
Whenever XML data must be shared by heterogeneous applications, transformations between different applicationspecific XML formats are necessary. The state-of-the-art method transf...
194
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SIGMOD
1997
ACM
15 years 10 months ago
1997
ACM
We study similarity queries for time series data where similarity is defined in terms of a set of linear transformations on the Fourier series representation of a sequence. We ha...