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ESORICS
2009
Springer
14 years 8 months ago
A Privacy Preservation Model for Facebook-Style Social Network Systems
Abstract. Recent years have seen unprecedented growth in the popularity of social network systems, with Facebook being an archetypical example. The access control paradigm behind t...
Philip W. L. Fong, Mohd M. Anwar, Zhen Zhao
COMPSEC
2010
122views more  COMPSEC 2010»
13 years 6 months ago
Taming role mining complexity in RBAC
In this paper we address the problem of reducing the role mining complexity in RBAC systems. To this aim, we propose a three steps methodology: first, we associate a weight to rol...
Alessandro Colantonio, Roberto Di Pietro, Alberto ...
RR
2010
Springer
13 years 6 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
ICTAI
2009
IEEE
14 years 2 months ago
Managing Authorization Provenance: A Modal Logic Based Approach
Abstract—In distributed environments, access control decisions depend on statements of multiple agents rather than only one central trusted party. However, existing policy langua...
Jinwei Hu, Yan Zhang, Ruixuan Li, Zhengding Lu
ICEB
2004
152views Business» more  ICEB 2004»
13 years 9 months ago
A Multi-Agent System for E-Business Processes Monitoring in a Web-Based Environment
In this paper, we present a multi-agent system MAGS for the e-business processes monitoring in a web-based environment. We classify the types of agents in MAGS by their monitoring...
Xinyu Zhao, Cen Wu, Runjie Zhang, Chen Zhao, Zuoqu...