2821 search results - page 357 / 565 » Tracing a single user |
158
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AAAI
2008
15 years 9 months ago
2008
Search engines present fix-length passages from documents ranked by relevance against the query. In this paper, we present and compare novel, language-model based methods for extr...
180
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CSCW
2008
ACM
15 years 8 months ago
2008
ACM
Social networks are popular for online communities. This paper evaluates the risk of sophisticated context-aware spam that could result from information sharing on social networks...
172
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JSAC
2008
15 years 6 months ago
2008
We study a sequential auction for sharing a wireless resource (bandwidth or power) among competing transmitters. The resource is assumed to be managed by a spectrum broker (auction...
179
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TCOM
2008
15 years 6 months ago
2008
We consider the problem of differentiated rate scheduling for the downlink (i.e., multi-antenna broadcast channel), in the sense that the rates required by different users must sat...
179
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TKDE
2008
15 years 6 months ago
2008
Malicious users can exploit the correlation among data to infer sensitive information from a series of seemingly innocuous data accesses. Thus, we develop an inference violation d...