1004 search results - page 65 / 201 » Safe Constraint Queries |
TIME
1998
IEEE
14 years 1 months ago
1998
IEEE
The use of causal rules or fluent dependency constraints has proven to provide a versatile means of dealing with the ramification problem. In this paper we show how fluent depende...
FOIKS
2004
Springer
14 years 21 days ago
2004
Springer
When two or more databases are combined into a global one, integrity may be violated even when each database is consistent with its own local integrity constraints. Efficient metho...
DANTE
1999
IEEE
14 years 1 months ago
1999
IEEE
Because performance is a crucial issue in database systems, data caching techniques have been studied in database research field, especially in client-server databases and distrib...
BALT
2006
14 years 21 days ago
2006
In many application domains (e.g., WWW mining, molecular biology), large string datasets are available and yet under-exploited. The inductive database framework assumes that both s...
SIGMOD
2005
ACM
14 years 9 months ago
2005
ACM
We give semantic characterizations of the expressive power of navigational XPath (also called Core XPath) in terms of first order logic. XPath can be used to specify sets of nodes...