2034 search results - page 252 / 407 » Substring Selectivity Estimation |
167
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DEXAW
2007
IEEE
15 years 6 months ago
2007
IEEE
Due to the lack of efficient native XML database management systems, XML data manipulation and query evaluation may be resource-consuming, and represent a bottleneck for several ...
161
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ECAI
2008
Springer
15 years 6 months ago
2008
Springer
Automation of Web service composition is one of the most interesting challenges facing the Semantic Web today. Since Web services have been enhanced with formal semantic descriptio...
157
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GEOINFO
2003
15 years 6 months ago
2003
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existing...
140
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AAAI
1994
15 years 6 months ago
1994
This article shows how rational analysis can be used to minimize learning cost for a general class of statistical learning problems. We discuss the factors that influence learning...
159
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CIDR
2009
15 years 6 months ago
2009
In database query processing, actual run-time conditions (e.g., actual selectivities and actual available memory) very often differ from compile-time expectations of run-time cond...