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» Upper and lower Ramsey bounds in bounded arithmetic
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ESA
2009
Springer
130views Algorithms» more  ESA 2009»
16 years 29 days ago
On the Performance of Approximate Equilibria in Congestion Games
We study the performance of approximate Nash equilibria for congestion games with polynomial latency functions. We consider how much the price of anarchy worsens and how much the ...
George Christodoulou, Elias Koutsoupias, Paul G. S...
PET
2009
Springer
16 years 28 days ago
Using Linkability Information to Attack Mix-Based Anonymity Services
There exist well established models for anonymity focusing on traffic analysis, i. e., analysing properties of single messages as, e. g., timing. However there is only little work ...
Stefan Schiffner, Sebastian Clauß
ICC
2007
IEEE
107views Communications» more  ICC 2007»
16 years 22 days ago
Error Floors of LDPC Coded BICM
Abstract— In recent years performance prediction for communication systems utilizing iteratively decodable codes has been of considerable interest. There have been significant b...
Aditya Ramamoorthy, Nedeljko Varnica
VTC
2007
IEEE
16 years 20 days ago
Coverage Analysis for Cellular Systems with Multiple Antennas Using Decode-and-Forward Relays
— Placing relays around the base station (BS) to assist wireless communication is an effective way of extending coverage in cellular systems. This paper provides a quantitative a...
Jian Zhao, Ingmar Hammerström, Marc Kuhn, Arm...
ICDT
2007
ACM
143views Database» more  ICDT 2007»
16 years 17 days ago
Database Query Processing Using Finite Cursor Machines
We introduce a new abstract model of database query processing, finite cursor machines, that incorporates certain data streaming aspects. The model describes quite faithfully what...
Martin Grohe, Yuri Gurevich, Dirk Leinders, Nicole...