14248 search results - page 161 / 2850 » Queries |
115
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XIMEP
2005
ACM
15 years 8 months ago
2005
ACM
We present in this paper a system for rewriting user-specific XPath queries for higher sharing of common sub-expressions in a streaming environment. We rewrite these queries acco...
120
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VL
2003
IEEE
15 years 7 months ago
2003
IEEE
We introduce FoXQ, a visual language that would enable end users to query XML. Our aim is to develop a language that would bring a lot of the functionality of XQuery within the re...
104
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VLDB
2001
ACM
15 years 7 months ago
2001
ACM
We are interested in de ning and querying views in a huge and highly heterogeneous XML repository Web scale . In this context, view de nitions are very large and there is no appa...
83
Voted
SIGMOD
1997
ACM
15 years 6 months ago
1997
ACM
In this paper, we study a simple SQL extension that enables query writers to explicitly limit the cardinality of a query result. We examine its impact on the query optimization an...
153
Voted
DEXA
2008
Springer
15 years 4 months ago
2008
Springer
In professional environments which are characterized by a domain (Medicine, Law, etc.), information retrieval systems must be able to process precise queries, mostly because of the...