28 search results - page 1 / 6 » Independent Database Schemes under Functional and Inclusion ... |
VLDB
1987
ACM
13 years 8 months ago
1987
ACM
In a context considering in a unique framework all the relations in a database, by means of the notion of global consistency, independent database schemes allow enforcement of con...
CASCON
2004
13 years 5 months ago
2004
For several reasons a database may not satisfy certain integrity constraints (ICs), for example, when it is the result of integrating several independent data sources. However, mo...
WEBDB
2004
Springer
13 years 9 months ago
2004
Springer
Current approaches for answering queries with imprecise constraints require users to provide distance metrics and importance measures for attributes of interest. In this paper we ...
AMW
2009
13 years 5 months ago
2009
Abstract. This paper introduces a formalization of a set of spatial semantic integrity constraints on an extended-relational database model. The formalization extends traditional n...
TCC
2009
Springer
14 years 5 months ago
2009
Springer
We study the possibility of constructing encryption schemes secure under messages that are chosen depending on the key k of the encryption scheme itself. We give the following sep...