46 search results - page 1 / 10 » Query-Based Access Control for Ontologies |
RR
2010
Springer
13 years 9 months ago
2010
Springer
Role-based access control is a standard mechanism in information systems. Based on the role a user has, certain information is kept from the user even if requested. For ontologies ...
CBMS
2006
IEEE
14 years 4 months ago
2006
IEEE
As huge amounts of knowledge are created rapidly, effective information access becomes an important issue. Especially for critical domains, such as medical and financial areas, e...
CSE
2009
IEEE
14 years 5 months ago
2009
IEEE
Abstract—Vocabulary alignment is a main challenge in distributed access control as peers should understand each other’s policies unambiguously. Ontologies enable mutual underst...
ITCC
2002
IEEE
14 years 3 months ago
2002
IEEE
While the persistent data of many advanced database applications, such as OLAP and scientific studies, are characterized by very high dimensionality, typical queries posed on thes...
OWLED
2008
14 years 4 days ago
2008
In this paper we present the basic requirements and initial design of a system which manages and facilitates changes to an OWL ontology in a multi-editor environment. This system u...