726 search results - page 132 / 146 » Extended Query Answering Using Integrity Rules |
ICPPW
2003
IEEE
14 years 2 months ago
2003
IEEE
Users have been demanding information “anytime, anywhere”. The notion of accessing diverse and autonomous information repositories with different APIs is not accepted. This ha...
ICDE
1997
IEEE
14 years 10 months ago
1997
IEEE
In recent years, research about distributing databases over networks has become increasingly important. Here we concentrate on the issues of interoperability of heterogeneous DBMS...
AMW
2010
13 years 10 months ago
2010
Abstract. A large volume of data with complex structures is currently represented in GML (Geography Markup Language) for storing and exchanging geographic information. As the size ...
CCS
2007
ACM
14 years 3 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
AAAI
1994
13 years 10 months ago
1994
We introduce a new framework for the study of reasoning. The Learning (in order) to Reason approach developed here views learning as an integral part of the inference process, and ...