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ICA
2007
Springer
15 years 10 months ago
Hierarchical ALS Algorithms for Nonnegative Matrix and 3D Tensor Factorization
In the paper we present new Alternating Least Squares (ALS) algorithms for Nonnegative Matrix Factorization (NMF) and their extensions to 3D Nonnegative Tensor Factorization (NTF) ...
Andrzej Cichocki, Rafal Zdunek, Shun-ichi Amari
HICSS
2002
IEEE
89views Biometrics» more  HICSS 2002»
15 years 9 months ago
ICT-Impact on Services
The state of service management practice and the developments in ICT-efficiency research prompt the call for managerial relevance, normative theory building and the conceptualizat...
Alexander G. Bielowski, Rita Walczuch
ESANN
2008
15 years 5 months ago
Phase transitions in Vector Quantization
Abstract. We study Winner-Takes-All and rank based Vector Quantization along the lines of the statistical physics of off-line learning. Typical behavior of the system is obtained w...
Aree Witoelar, Anarta Ghosh, Michael Biehl
110
Voted
SIGIR
2008
ACM
15 years 4 months ago
Analyzing web text association to disambiguate abbreviation in queries
We introduce a statistical model for abbreviation disambiguation in Web search, based on analysis of Web data resources, including anchor text, click log and query log. By combini...
Xing Wei, Fuchun Peng, Benoît Dumoulin
TIP
2008
121views more  TIP 2008»
15 years 4 months ago
Bistatic Synthetic Aperture Radar Imaging for Arbitrary Flight Trajectories
Abstract--In this paper, we present an analytic, filtered backprojection (FBP) type inversion method for bistatic synthetic aperture radar (BISAR). We consider a BISAR system where...
Can Evren Yarman, Birsen Yazici, Margaret Cheney