3021 search results - page 227 / 605 » Trust in recommender systems |
171
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SACMAT
2003
ACM
15 years 12 months ago
2003
ACM
We investigate the cost of changing access control policies dynamically as a response action in computer network defense. We compare and contrast the use of access lists and capab...
211
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IEEESCC
2010
IEEE
15 years 10 months ago
2010
IEEE
—Gathering functionally similar agent-based Web services into communities has been proposed and promoted on many occasions. In this paper, we compare the performance of these com...
184
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CSE
2009
IEEE
16 years 1 months ago
2009
IEEE
—Reputation mechanisms are essential for online transactions, where the parties have little prior experience with one another. This is especially true when transactions result in...
176
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ESORICS
2006
Springer
15 years 10 months ago
2006
Springer
Abstract. Many theoretical PIR (Private Information Retrieval) constructions have been proposed in the past years. Though information theoretically secure, most of them are impract...
164
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PST
2004
15 years 8 months ago
2004
The paper reports on ongoing research into the development of a management system to co-ordinate a set of activities of a virtual organisation for the production of chemicals. The...