3891 search results - page 113 / 779 » Query Models |
111
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JASIS
2002
15 years 2 months ago
2002
We consider the recently proposed XQL language, which is designed to query XML documents by content and structure. We show that an already existing model, namely \Proximal Nodes&q...
110
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ICFEM
2009
Springer
15 years 9 months ago
2009
Springer
Abstract. We study the problem of generating a database and parameters for a given parameterized SQL query satisfying a given test condition. We introduce a formal background theor...
148
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CORR
2011
Springer
14 years 9 months ago
2011
Springer
We study in this paper provenance information for queries with aggregation. Provenance information was studied in the context of various query languages that do not allow for aggr...
119
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EDBT
2009
ACM
15 years 7 months ago
2009
ACM
We consider a near future scenario in which users of a Web 2.0 application, such as a social network, contribute to the application not only data, but also rules which automatical...
227
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ICDE
2003
IEEE
16 years 3 months ago
2003
IEEE
In moving object environments, it is infeasible for the database tracking the movement of objects to store the exact locations of objects at all times. Typically, the location of a...