6155 search results - page 1121 / 1231 » A language for multiple models of computation |
179
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GAMESEC
2010
15 years 4 months ago
2010
Abstract. Users of mobile networks can change their identifiers in regions called mix zones in order to defeat the attempt of third parties to track their location. Mix zones must ...
162
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PIMRC
2010
IEEE
15 years 4 months ago
2010
IEEE
This paper tackles the problem of fast varying channel estimation in LTE systems. Particular attention is given to downlink transmission where OFDMA is used as the multiple access ...
216
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GLOBECOM
2009
IEEE
15 years 4 months ago
2009
IEEE
Primary user emulation attack in multichannel cognitive radio systems is discussed. An attacker is assumed to be able to send primary-user-like signals during spectrum sensing peri...
220
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ICMCS
2009
IEEE
15 years 4 months ago
2009
IEEE
In this position paper, we first review the state-of-the-art in graph-based semi-supervised learning, and point out three limitations that are particularly relevant to multimedia ...
176
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AMAI
2010
Springer
15 years 3 months ago
2010
Springer
Constraints and quantitative preferences, or costs, are very useful for modelling many real-life problems. However, in many settings, it is difficult to specify precise preference ...