approximation algorithm

17

KDD
2009
ACM

173views Data Mining» more KDD 2009»

Constant-factor approximation algorithms for identifying dynamic communities

14 years 5 months ago

We propose two approximation algorithms for identifying communities in dynamic social networks. Communities are intuitively characterized as "unusually densely knit" sub...

Chayant Tantipathananandh, Tanya Y. Berger-Wolf

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14

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STOC
2009
ACM

123views Algorithms» more STOC 2009»

An improved constant-time approximation algorithm for maximum~matchings

14 years 5 months ago

Download www.lab2.kuis.kyoto-u.ac.jp

This paper studies constant-time approximation algorithms for problems on degree-bounded graphs. Let n and d be the number of vertices and the degree bound, respectively. This pap...

Yuichi Yoshida, Masaki Yamamoto, Hiro Ito

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15

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DAC
2009
ACM

118views Computer Architecture» more DAC 2009»

Provably good and practically efficient algorithms for CMP dummy fill

14 years 6 months ago

Download www.ece.northwestern.edu

Abstract--To reduce chip-scale topography variation in Chemical Mechanical Polishing (CMP) process, dummy fill is widely used to improve the layout density uniformity. Previous res...

Chunyang Feng, Hai Zhou, Changhao Yan, Jun Tao, Xu...

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