3269 search results - page 331 / 654 » Query Optimization for XML |
135
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IDEAS
2007
IEEE
15 years 11 months ago
2007
IEEE
In this paper we study the problem of deciding whether a regular path query over views in data-integration systems can be re-expressed without recursion. The problem becomes chall...
117
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VLDB
1998
ACM
15 years 9 months ago
1998
ACM
: Structural queries constitute a special form of content-basedretrieval where the user specifiesa set of spatial constraints among query variables and asks for all configurations ...
143
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CIKM
2006
Springer
15 years 8 months ago
2006
Springer
Monitoring systems today often involve continuous queries over streaming data, in a distributed collaborative system. The distribution of query operators over a network of process...
148
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WEBI
2010
Springer
15 years 2 months ago
2010
Springer
This paper intends to present a straightforward, extensive, and noise resistant method for efficiently tagging a web query, submitted to a search engine, with proper category label...
159
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ACL
2009
15 years 2 months ago
2009
Query segmentation is essential to query processing. It aims to tokenize query words into several semantic segments and help the search engine to improve the precision of retrieva...