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» Factorization as a Rank 1 Problem
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APPROX
2010
Springer
207views Algorithms» more  APPROX 2010»
15 years 9 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 11 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 10 months 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»
15 years 7 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
15 years 2 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