Sciweavers

46 search results - page 1 / 10
» Query-Based Access Control for Ontologies
Sort
View
RR
2010
Springer
13 years 3 months ago
Query-Based Access Control for Ontologies
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 ...
Martin Knechtel, Heiner Stuckenschmidt
CBMS
2006
IEEE
13 years 10 months ago
A Query-Based Medical Information Summarization System Using Ontology Knowledge
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...
Ping Chen, Rakesh M. Verma
CSE
2009
IEEE
13 years 11 months ago
Reputation-Based Ontology Alignment for Autonomy and Interoperability in Distributed Access Control
Abstract—Vocabulary alignment is a main challenge in distributed access control as peers should understand each other’s policies unambiguously. Ontologies enable mutual underst...
Daniel Trivellato, Fred Spiessens, Nicola Zannone,...
ITCC
2002
IEEE
13 years 9 months ago
Performance of KDB-Trees with Query-Based Splitting
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...
Yves Lépouchard, John L. Pfaltz, Ratko Orla...
OWLED
2008
13 years 6 months ago
Managing Change: An Ontology Version Control System
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...
Timothy Redmond, Michael Smith, Nick Drummond, Tan...