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ICML
2008
IEEE
16 years 5 months ago
Dirichlet component analysis: feature extraction for compositional data
We consider feature extraction (dimensionality reduction) for compositional data, where the data vectors are constrained to be positive and constant-sum. In real-world problems, t...
Hua-Yan Wang, Qiang Yang, Hong Qin, Hongbin Zha
149
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WWW
2009
ACM
16 years 5 months ago
Network analysis of collaboration structure in Wikipedia
In this paper we give models and algorithms to describe and analyze the collaboration among authors of Wikipedia from a network analytical perspective. The edit network encodes wh...
Denise van Raaij, Jürgen Lerner, Patrick Keni...
ICCAD
2008
IEEE
125views Hardware» more  ICCAD 2008»
16 years 1 months ago
Practical, fast Monte Carlo statistical static timing analysis: why and how
Statistical static timing analysis (SSTA) has emerged as an essential tool for nanoscale designs. Monte Carlo methods are universally employed to validate the accuracy of the appr...
Amith Singhee, Sonia Singhal, Rob A. Rutenbar
ICCAD
2004
IEEE
113views Hardware» more  ICCAD 2004»
16 years 1 months ago
Static statistical timing analysis for latch-based pipeline designs
A latch-based timing analyzer is an essential tool for developing high-speed pipeline designs. As process variations increasingly influence the timing characteristics of DSM desi...
Rob A. Rutenbar, Li-C. Wang, Kwang-Ting Cheng, San...
DASFAA
2009
IEEE
118views Database» more  DASFAA 2009»
15 years 11 months ago
Periodic Pattern Analysis in Time Series Databases
Similarity search in time series data is used in diverse domains. The most prominent work has focused on similarity search considering either complete time series or certain subseq...
Johannes Aßfalg, Thomas Bernecker, Hans-Pete...