14248 search results - page 214 / 2850 » Queries |
153
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ACL
2012
13 years 7 months ago
2012
Syntactic analysis of search queries is important for a variety of information-retrieval tasks; however, the lack of annotated data makes training query analysis models difficult...
165
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CADE
2012
Springer
13 years 7 months ago
2012
Springer
The problem of SPARQL query containment is defined as determining if the result of one query is included in the result of another for any RDF graph. Query containment is important...
273
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ICDE
2008
IEEE
16 years 6 months ago
2008
IEEE
This paper introduces U-relations, a succinct and purely relational representation system for uncertain databases. U-relations support attribute-level uncertainty using vertical pa...
243
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ICDE
2005
IEEE
16 years 6 months ago
2005
IEEE
Recently, progress indicators have been proposed for long-running SQL queries in RDBMSs. Although the proposed techniques work well for a subset of SQL queries, they are prelimina...
229
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ICDE
2003
IEEE
16 years 6 months ago
2003
IEEE
In order to publish a nested XML document from flat relational data, multiple SQL queries are often needed. The efficiency of publishing relies on how fast these queries can be ev...