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IJCAI
2003
15 years 8 months ago
Concept Linking for Information Integration in Open Book and Sentinel
Opening up large amounts of loosely structured information for easy access and use is a complex problem. This paper describes two systems that address different aspects of the pro...
Stuart Watt
CATA
1998
15 years 8 months ago
QVI: Query-based virtual index for distributed information retrieval
The large unstructured text collections demand full-text search capabilities from IR systems. Current systems typically allow users only to connect to a single database (or site) ...
Dong-gyu Kim, Sang-goo Lee
DMDW
2000
118views Management» more  DMDW 2000»
15 years 8 months ago
View security as the basis for data warehouse security
Access. permissions in a data warehouse are currently managed in a separate world from the sources' policies. The consequences are inconsistencies, slow response to change, a...
Arnon Rosenthal, Edward Sciore
RBAC
1998
101views more  RBAC 1998»
15 years 8 months ago
An Oracle Implementation of the PRA97 Model for Permission-Role Assignment
In role-based access control RBAC permissions are associated with roles, and users are made members of appropriate roles thereby acquiring the roles' permissions. Using RBAC ...
Ravi S. Sandhu, Venkata Bhamidipati
WSC
1998
15 years 8 months ago
Enterprise Architecture for Business Process Simulation
Many simulation systems are standalone, running only on a desktop and having limited capabilities to integrate with other technologies such as company databases, workflow engines,...
Ali Bahrami, Deborah A. Sadowski, Soheila Bahrami