3430 search results - page 530 / 686 » Language model for IR using collection information |
185
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CCS
2004
ACM
15 years 12 months ago
2004
ACM
Comparing the expressive power of access control models is recognized as a fundamental problem in computer security. Such comparisons are generally based on simulations between di...
231
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ICDT
2012
ACM
13 years 9 months ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
198
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AH
2008
Springer
16 years 25 days ago
2008
Springer
The information explosion in today’s electronic world has created the need for information filtering techniques that help users filter out extraneous content to identify the righ...
160
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GLOBECOM
2007
IEEE
16 years 24 days ago
2007
IEEE
— Link and node reliability are important metrics in wireless ad hoc networks. Therefore, evaluating and quantifying reliability has become the cornerstone of research in this ...
169
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IPPS
2006
IEEE
16 years 15 days ago
2006
IEEE
While a wireless sensor network is deployed to monitor certain events and pinpoint their locations, the location information is intended only for legitimate users. However, an eav...