297 search results - page 39 / 60 » On the Decidability of Consistent Query Answering |
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
Text documents often embed data that is structured in nature, and we can expose this structured data using information extraction technology. By processing a text database with inf...
SIGMOD
2004
ACM
14 years 8 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 ...
PODS
2008
ACM
14 years 8 months ago
2008
ACM
We revisit the classical chase procedure, studying its properties as well as its applicability to standard database problems. We settle (in the negative) the open problem of decid...
SIGMOD
1996
ACM
14 years 19 days ago
1996
ACM
Decision support applications involve complex queries on very large databases. Since response times should be small, query optimization is critical. Users typically view the data ...
ATAL
2005
Springer
14 years 2 months ago
2005
Springer
This publication summarizes research on the the design and implementation of liberalized version of existing truth-finding protocols for argumentation, such as the standard two-a...