298 search results - page 33 / 60 » Query Rewriting in DL-Lite_^(HN)_horn |
109
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SIGMOD
2004
ACM
15 years 11 months ago
2004
ACM
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
194
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ICDE
2006
IEEE
16 years 12 days ago
2006
IEEE
We present ACXESS (Access Control for XML with Enhanced Security Specifications), a system for specifying and enforcing enhanced security constraints on XML via virtual "secu...
108
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EWDW
1994
15 years 3 months ago
1994
For object-oriented databases we propose a new technique for optimizing queries containing method invocations. This technique is based on the definition of inverse methods and que...
VLDB
1993
ACM
15 years 3 months ago
1993
ACM
III this paper we address the problem of controlling the execution of a query optimizer. We describe a control for the optimization process that is based on planning. The controll...
92
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NAACL
2010
14 years 9 months ago
2010
The goal of this work is to integrate query similarity metrics as features into a dense model that can be trained on large amounts of query log data, in order to rank query rewrit...