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» Factorization as a Rank 1 Problem
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APPROX
2010
Springer
207views Algorithms» more  APPROX 2010»
14 years 11 months ago
Exploiting Concavity in Bimatrix Games: New Polynomially Tractable Subclasses
Abstract. We study the fundamental problem of computing an arbitrary Nash equilibrium in bimatrix games. We start by proposing a novel characterization of the set of Nash equilibri...
Spyros C. Kontogiannis, Paul G. Spirakis
ITICSE
2010
ACM
15 years 1 months ago
Experience report: CS1 for majors with media computation
Previous reports of a media computation approach to teaching programming have either focused on pre-CS1 courses or courses for non-majors. We report the adoption of a media comput...
Beth Simon, Päivi Kinnunen, Leo Porter, Dov Z...
PODS
2012
ACM
276views Database» more  PODS 2012»
13 years 4 days ago
Randomized algorithms for tracking distributed count, frequencies, and ranks
We show that randomization can lead to significant improvements for a few fundamental problems in distributed tracking. Our basis is the count-tracking problem, where there are k...
Zengfeng Huang, Ke Yi, Qin Zhang
ALGORITHMICA
2007
114views more  ALGORITHMICA 2007»
14 years 9 months ago
The Consecutive Ones Submatrix Problem for Sparse Matrices
A 0-1 matrix has the Consecutive Ones Property (C1P) if there is a permutation of its columns that leaves the 1’s consecutive in each row. The Consecutive Ones Submatrix (C1S) p...
Jinsong Tan, Louxin Zhang
COLING
2010
14 years 4 months ago
A Comparative Study on Ranking and Selection Strategies for Multi-Document Summarization
This paper presents a comparative study on two key problems existing in extractive summarization: the ranking problem and the selection problem. To this end, we presented a system...
Feng Jin, Minlie Huang, Xiaoyan Zhu