2492 search results - page 86 / 499 » Ontology-based Database Access |
112
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SEMWEB
2007
Springer
15 years 6 months ago
2007
Springer
Semantic Web databases allow efficient storage and access to RDF statements. Applications are able to use expressive query languages in order to retrieve relevant metadata to perfo...
ITCC
2005
IEEE
15 years 6 months ago
2005
IEEE
Access control software must be based on a security policy model. Flaws in them may come from a lack of precision or some incoherences in the policy model or from inconsistencies ...
119
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EAGC
2004
Springer
15 years 6 months ago
2004
Springer
Data streams are a prevalent and growing source of timely data. As streams become more prevalent, richer interrogation of the contents of the streams are required. Value of the con...
103
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CAISE
2006
Springer
15 years 4 months ago
2006
Springer
Various kinds of data are processed in workflow management systems: from case data to control data, from internal data to access to external databases or documents exchanged in int...
208
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GIS
2008
ACM
16 years 1 months ago
2008
ACM
In this paper, we follow the role-based access control (RBAC) approach and extend it to provide for the dynamic association of roles with users. In our framework, privileges assoc...