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TKDE
2008
115views more  TKDE 2008»
14 years 9 months ago
Time-Aware Web Users' Clustering
Web users clustering is a crucial task for mining information related to users needs and preferences. Up to now, popular clustering approaches build clusters based on usage pattern...
Sophia G. Petridou, Vassiliki A. Koutsonikola, Ath...
ICASSP
2009
IEEE
15 years 4 months ago
Experimenting with a global decision tree for state clustering in automatic speech recognition systems
In modern automatic speech recognition systems, it is standard practice to cluster several logical hidden Markov model states into one physical, clustered state. Typically, the cl...
Jasha Droppo, Alex Acero
ICPR
2008
IEEE
15 years 4 months ago
Beyond partitions: Allowing overlapping groups in pairwise clustering
The field of pairwise clustering is currently dominated by the idea of dividing a set of objects into disjoints classes, thereby giving rise to (hard) partitions of the input dat...
Andrea Torsello, Samuel Rota Bulò, Marcello...
DEXAW
2007
IEEE
135views Database» more  DEXAW 2007»
15 years 4 months ago
Unsupervised Learning of Manifolds via Linear Approximations
In this paper, we examine the application of manifold learning to the clustering problem. The method used is Locality Preserving Projections (LPP), which is chosen because of its ...
Hassan A. Kingravi, M. Emre Celebi, Pragya P. Raja...
HPCA
1998
IEEE
15 years 2 months ago
Challenging Applications on Fast Networks
Parallel computing on clusters of workstations is attractive because of the low costs in comparison to MPPs, but the speed of the local area network limits the class of applicatio...
Koen Langendoen, Rutger F. H. Hofman, Henri E. Bal