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CORR
2010
Springer
171views Education» more  CORR 2010»
13 years 5 months ago
Online Learning in Opportunistic Spectrum Access: A Restless Bandit Approach
We consider an opportunistic spectrum access (OSA) problem where the time-varying condition of each channel (e.g., as a result of random fading or certain primary users' activ...
Cem Tekin, Mingyan Liu
ICC
2007
IEEE
14 years 5 months ago
Introducing PHY-Layer Fairness in Amplify and Forward Cooperative Diversity Systems
Abstract— We introduce the concept of fairness at the physicallayer in amplify and forward cooperative diversity systems, which reflects the need for equally allocating the cons...
Diomidis S. Michalopoulos, George K. Karagiannidis...
AUSDM
2007
Springer
107views Data Mining» more  AUSDM 2007»
14 years 5 months ago
Preference Networks: Probabilistic Models for Recommendation Systems
Recommender systems are important to help users select relevant and personalised information over massive amounts of data available. We propose an unified framework called Prefer...
Tran The Truyen, Dinh Q. Phung, Svetha Venkatesh
FSE
2007
Springer
101views Cryptology» more  FSE 2007»
14 years 5 months ago
Producing Collisions for Panama, Instantaneously
We present a practical attack on the Panama hash function that generates a collision in 26 evaluations of the state updating function. Our attack improves that of Rijmen and cowork...
Joan Daemen, Gilles Van Assche
RR
2007
Springer
14 years 4 months ago
Decidability Under the Well-Founded Semantics
The well-founded semantics (WFS) for logic programs is one of the few major paradigms for closed-world reasoning. With the advent of the Semantic Web, it is being used as part of r...
Natalia Cherchago, Pascal Hitzler, Steffen Hö...