17185 search results - page 3263 / 3437 » Computational and Quantitative Studies |
243
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SACMAT
2009
ACM
16 years 1 months ago
2009
ACM
An access control system is often viewed as a state transition system. Given a set of access control policies, a general safety requirement in such a system is to determine whethe...
191
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SIGCOMM
2009
ACM
16 years 1 months ago
2009
ACM
While some empirical studies on Online Social Networks (OSNs) have examined the growth of these systems, little is known about the patterns of decline in user population or user a...
186
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SIGECOM
2009
ACM
16 years 1 months ago
2009
ACM
We study the relationship between the social cost of correlated equilibria and the social cost of Nash equilibria. In contrast to previous work focusing on the possible benefits ...
177
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SIGECOM
2009
ACM
16 years 1 months ago
2009
ACM
There is significant experimental evidence that prediction markets are efficient mechanisms for aggregating information and are more accurate in forecasting events than tradition...
203
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
As an indispensable technique in the field of Information Filtering, Recommender System has been well studied and developed both in academia and in industry recently. However, mo...