1497 search results - page 208 / 300 » Constraint Databases: A Survey |
144
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ICDT
1995
ACM
15 years 10 months ago
1995
ACM
A tuple t1 of relation R subsumes tuple t2 of R, with respect to a query Q if for every database, tuple t1 derives all, and possibly more, answers to query Q than derived by tuple ...
147
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VLDB
1995
ACM
15 years 10 months ago
1995
ACM
: This paper defines a framework for explaining redo recovery after a system crash. In this framework, an installation graph explains the order in which operations must be install...
156
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LREC
2008
15 years 7 months ago
2008
Semantic databases are a stable starting point in developing knowledge based systems. Since creating language resources demands many temporal, financial and human resources, a pos...
167
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ACTAC
2008
15 years 6 months ago
2008
Rules provide an expressive means for implementing database behavior: They cope with changes and their ramifications. Rules are commonly used for integrity enforcement, i.e., for ...
164
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TKDE
2008
15 years 6 months ago
2008
Secure chips, e.g., present in smart cards, USB dongles, i-buttons, are now ubiquitous in applications with strong security requirements. Moreover, they require embedded data manag...