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204
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ICDIM
2010
IEEE
15 years 3 months ago
2010
IEEE
In a set of access control policies, incompleteness is the existence of situations for which no policy applies. Some of these situations can be exploited by attackers, to obtain un...
154
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IEICET
2010
15 years 3 months ago
2010
Ultra-Wideband is an attractive technology for short range positioning, especially indoors. However, for normal Time of Arrival (ToA) positioning, at least three receivers with unb...
198
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CLEF
2011
Springer
14 years 6 months ago
2011
Springer
Abstract. We propose a generative model for automatic query reformulations from an initial query using the underlying subtopic structure of top ranked retrieved documents. We addre...
203
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CLEF
2011
Springer
14 years 6 months ago
2011
Springer
Wikipedia despite having a very small budget has been among the top ten most visited websites for over half a decade. Being this visible also generated the problem of ill intended ...
179
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
Image spam is a new obfuscating method which spammers invented to more effectively bypass conventional text based spam filters. In this paper, we extract local invariant features ...