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IFIP
1992
Springer
13 years 11 months ago
Intelligent Access to Data and Knowledge Bases via User's Topics of Interest
Retrieving relevant information in Data and Knowledge Bases containing a large number of di erent types of information is a non trivial problem. That is the reason why, in areas l...
Sylvie Cazalens, Robert Demolombe
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
ICAIL
2003
ACM
14 years 22 days ago
Specifying and Reasoning with Institutional Agents
This paper proposes a logic-oriented framework for institutional agents specification and analysis. Within this framework institutional agents are seen as artificial agents that a...
Filipe Santos, Olga Pacheco
ARGMAS
2004
Springer
14 years 27 days ago
An Argument-Based Framework to Model an Agent's Beliefs in a Dynamic Environment
Abstract. One of the most difficult problems in multiagent systems involves representing knowledge and beliefs of agents in dynamic environments. New perceptions modify an agent’...
Marcela Capobianco, Carlos Iván Chesñ...
POPL
2008
ACM
14 years 7 months ago
A theory of contracts for web services
Contracts are behavioural descriptions of Web services. We devise a theory of contracts that formalises the compatibility of a client to a service, and the safe replacement of a s...
Giuseppe Castagna, Nils Gesbert, Luca Padovani