4445 search results - page 170 / 889 » Reflective Authorization Systems |
129
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SIGIR
2008
ACM
15 years 4 months ago
2008
ACM
Evaluation measures act as objective functions to be optimized by information retrieval systems. Such objective functions must accurately reflect user requirements, particularly w...
121
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AIRS
2010
Springer
15 years 2 months ago
2010
Springer
The dominant method for evaluating search engines is the Cranfield paradigm, but the existing metrics do not consider some modern search engines features, such as document snippets...
134
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WIKIS
2009
ACM
15 years 11 months ago
2009
ACM
Wikipedia has been very successful as an open encyclopedia which is editable by anybody. However, the anonymous nature of Wikipedia means that readers may have less trust since th...
140
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ICDCS
2008
IEEE
15 years 11 months ago
2008
IEEE
We present a simple, yet powerful, approach for the specification and enforcement of authorizations regulating data release among data holders collaborating in a distributed comp...
151
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INFOCOM
2008
IEEE
15 years 11 months ago
2008
IEEE
Abstract. One important problem for such public broadcast LBS is to enforce access control on a large number of subscribers. In such a system a user typically subscribes to a LBS f...