2608 search results - page 167 / 522 » Inferring Answers to Queries |
267
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
In location-based services, it is common for a user to issue a query based on his/her current position. One such example is "find the available cabs within two miles of my cu...
241
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VLDB
2001
ACM
16 years 6 months ago
2001
ACM
Approximate query processing has emerged as a costeffective approach for dealing with the huge data volumes and stringent response-time requirements of today's decision-suppo...
150
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PODS
2006
ACM
16 years 6 months ago
2006
ACM
The query equivalence problem has been studied extensively for set-semantics and, more recently, for bag-set semantics. However, SQL queries often combine set and bag-set semantic...
165
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EDBT
2002
ACM
16 years 6 months ago
2002
ACM
Abstract. We present a simple query language for XML, which supports hierarchical, Boolean-connected query patterns. The interpretation of a query is founded on cost-based query tr...
158
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ICEIS
2009
IEEE
16 years 27 days ago
2009
IEEE
Today XML is an essential technology for knowledge management within enterprises and dissemination of data over the Web. Therefore the efficient evaluation of XML queries has been ...