3969 search results - page 316 / 794 » Query Processing Using Ontologies |
133
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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...
148
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
— The database research community has recently recognized the usefulness of skyline query. As an extension of existing database operator, the skyline query is valuable for multi-...
141
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VLDB
1998
ACM
15 years 8 months ago
1998
ACM
The query execution engine in Microsoft SQL Server employs hash-based algorithms for inner and outer joins, semi-joins, set operations (such as intersection), grouping, and duplic...
149
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ICIP
2010
IEEE
15 years 2 months ago
2010
IEEE
In this paper, we focus on a new application of mobile visual search: snapping a photo with a mobile device of a video playing on a TV screen to automatically retrieve and stream ...
213
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SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
Good cardinality estimates are critical for generating good execution plans during query optimization. Complex predicates, correlations between columns, and user-defined functions...