1168 search results - page 98 / 234 » Optimization strategies for complex queries |
DKE
2007
14 years 10 months ago
2007
We introduce parameterized pattern queries as a new paradigm to extend traditional pattern expressions over sequence databases. A parameterized pattern is essentially a string mad...
103
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SIGMOD
2010
ACM
14 years 10 months ago
2010
ACM
An increasing number of applications operate on data obtained from the Web. These applications typically maintain local copies of the web data to avoid network latency in data acc...
ICRA
2006
IEEE
15 years 4 months ago
2006
IEEE
— This paper presents an interior point approach to exact distance computation between convex objects represented as intersections of implicit surfaces. Exact distance computatio...
EDBT
2010
ACM
15 years 4 months ago
2010
ACM
Schemas, and more generally metadata specifying structural and semantic constraints, are invaluable in data management. They facilitate conceptual design and enable checking of da...
149
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ARTDB
1997
Springer
15 years 2 months ago
1997
Springer
This paper proposes a strategy for parallel composite event detection in Active database systems (DBS). Up to now, the detection is sequential and totally synchronized, and thus p...