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FOCS
2007
IEEE
13 years 11 months ago
On the Complexity of Nash Equilibria and Other Fixed Points (Extended Abstract)
d Abstract) Kousha Etessami LFCS, School of Informatics University of Edinburgh Mihalis Yannakakis Department of Computer Science Columbia University We reexamine what it means to...
Kousha Etessami, Mihalis Yannakakis
PLANX
2007
13 years 6 months ago
XPath Typing Using a Modal Logic with Converse for Finite Trees
We present an algorithm to solve XPath decision problems under regular tree type constraints and show its use to statically typecheck XPath queries. To this end, we prove the deci...
Pierre Genevès, Nabil Layaïda, Alan Sc...
ICC
2007
IEEE
137views Communications» more  ICC 2007»
13 years 11 months ago
Optimality and Complexity of Opportunistic Spectrum Access: A Truncated Markov Decision Process Formulation
— We consider opportunistic spectrum access (OSA) which allows secondary users to identify and exploit instantaneous spectrum opportunities resulting from the bursty traffic of ...
Dejan V. Djonin, Qing Zhao, Vikram Krishnamurthy
ECAI
1992
Springer
13 years 8 months ago
On the Impact of Stratification on the Complexity of Nonmonotonic Reasoning
ABSTRACT. This paper investigates the problem of finding subclasses of nonmonotonic reasoning which can be implemented efficiently. The ability to "define" propositions u...
Ilkka Niemelä, Jussi Rintanen
HICSS
2005
IEEE
139views Biometrics» more  HICSS 2005»
13 years 10 months ago
Complex Decision Making Processes: their Modelling and Support
Decision making processes and systems to support the same have focused for the most part on narrow disciplines, paradigms, perspectives, and pre-determined processes. Apart from t...
Angela Liew, David Sundaram