1933 search results - page 135 / 387 » Query Containment Using Views |
VLDB
2004
ACM
15 years 8 months ago
2004
ACM
Query processing in database systems has developed beyond mere exact matching of attribute values. Scoring database objects and retrieving only the top k matches or Pareto-optimal...
147
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CSCW
2011
ACM
14 years 10 months ago
2011
ACM
Internet search engines display understanding or misunderstanding of user intent in and through the particular batches of results they retrieve and their perceived relevance. Yet ...
216
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ICDE
2005
IEEE
16 years 4 months ago
2005
IEEE
Vertical partitioning is a well-known technique for optimizing query performance in relational databases. An extreme form of this technique, which we call vectorization, is to sto...
161
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XSYM
2007
Springer
15 years 9 months ago
2007
Springer
Several web applications (such as processing RSS feeds or web service messages) rely on XPath-based data manipulation tools. Web developers need to use XPath queries effectively o...
132
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SIGMOD
1996
ACM
15 years 7 months ago
1996
ACM
Object-Relational and Object-Oriented DBMSs allow users to invoke time-consuming ("expensive") methods in their queries. When queries containing these expensive methods a...