5166 search results - page 230 / 1034 » Web Query Optimizer |
306
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ICDE
2003
IEEE
16 years 7 months ago
2003
IEEE
The XML Wrapper is a new feature of the federated database capabilities of DB2/UDB v8. It enables users and applications to issue SQL queries against XML data from a variety of so...
201
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PVLDB
2008
15 years 5 months ago
2008
Supporting graceful schema evolution represents an unsolved problem for traditional information systems that is further exacerbated in web information systems, such as Wikipedia a...
158
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DEBS
2007
ACM
15 years 10 months ago
2007
ACM
Queries for composite events typically involve the four complementary dimensions of event data, event composition, relationships between events (esp. temporal and causal), and acc...
166
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IPM
2007
15 years 6 months ago
2007
The performance of parallel query processing in a cluster of index servers is crucial for modern web search systems. In such a scenario, the response time basically depends on the...
172
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AGENTS
1998
Springer
15 years 10 months ago
1998
Springer
We propose an agent for exploring and categorizing documents on the World Wide Web based on a user pro le. The heart of the agent is an automatic categorization of a set of docume...