8763 search results - page 298 / 1753 » Querying Database Knowledge |
287
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
We study the problem of auditing a batch of SQL queries: Given a forbidden view of a database that should have been kept confidential, a batch of queries that were posed over this ...
284
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PODS
2009
ACM
16 years 7 months ago
2009
ACM
We consider the problem of deciding query equivalence for a conjunctive language in which queries output complex objects composed from a mixture of nested, unordered collection ty...
195
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
Modern database systems provide not only powerful data models but also complex query languages supporting powerful features such as the ability to create new database objects and ...
197
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EDBT
2002
ACM
16 years 6 months ago
2002
ACM
With the emergence of applications that require content-based similarity retrieval, techniques to support such a retrieval paradigm over database systems have emerged as a critica...
177
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VLDB
1999
ACM
15 years 11 months ago
1999
ACM
XML is an emerging standard for data representation and exchange on the World-Wide Web. Due to the nature of information on the Web and the inherent flexibility of XML, we expect...