2070 search results - page 128 / 414 » Querying Communities in Relational Databases |
CCS
2007
ACM
15 years 5 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 ...
ICDE
2007
IEEE
15 years 5 months ago
2007
IEEE
The ability to query data streams is of increasing importance and has been identified as a crucial element for modern organizations and agencies. This paper identifies a class o...
AAAI
1990
15 years 11 days ago
1990
The Intelligent Database Interface (IDI) is a cache-based interface that is designed to provide Artificial Intelligence systems with efficient access to one or more databases on o...
176
click to vote
VLDB
2001
ACM
15 years 11 months ago
2001
ACM
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessin...
163
click to vote
ICDE
2007
IEEE
16 years 17 days ago
2007
IEEE
We present a system that optimizes sequences of related client requests by combining small requests into larger ones, thus reducing per-request overhead. The system predicts upcom...