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  1. Proceedings of the 2003 ACM workshop on XML security (XMLSEC '03)
  2. Concept-level access control for the Semantic Web
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Derived access control specification for XML
Grid security: requirements, plans and ongoing efforts
RDF metadata for XML access control
An XML-based approach to combine firewalls and web services security specifications
Concept-level access control for the Semantic Web
An access control framework for business processes for web services
Access control of XML documents considering update operations
Optimistic fair contract signing for Web services
Bulletproof business process automation: securing XML forms with document subset signatures
First experiences using XACML for access control in distributed systems
A bitmap-based access control for restricted views of XML documents
Anonymous authentication scheme for XML security standard with Refreshable Tokens
Certificate validation service using XKMS for computational grid

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Concept-level access control for the Semantic Web

Content Provider ACM Digital Library
Author Atluri, Vijayalakshmi Qin, Li
Abstract Recently, the notion of the Semantic Web has been introduced to define a machine-interpretable web targeted for automation, integration and reuse of data across different applications. Under the Semantic Web, web pages are annotated by concepts that are formally defined in ontologies along with the relationships among them. As information pertaining to different concepts has varying access control requirements, in this paper, we propose an access control model for the semantic web that is capable of specifying authorizations over concepts defined in ontologies and enoforcing them upon data instances annotated by the concepts. It is important to note that semantic relationships among concepts play a key role in making access control decisions. This is because, based on the relationship, one may infer information contained in one concept node from that of the other. Therefore, we first identify the important domain-independent relationships among concepts, categorize them and propose propagation policies based on these categories of relationships. In particular, we allow propagation of authorizations based on the semantic relationships among concepts to prevent illegal inferences. We then show how concept-level security polices can be represented in an OWL-based access control language. Finally, we demonstrate how users' requests can be handled under our access control model. Our concept-level model is especially suitable for the specification and administration of access control over semantically related web data under the Semantic Web even if they conform to different DTDs or use different tag names.
Starting Page 94
Ending Page 103
Page Count 10
File Format PDF
ISBN 158113777X
DOI 10.1145/968559.968575
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2003-10-31
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Semantic web Access control Concept Ontology Propagation
Content Type Text
Resource Type Article
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