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SIGIR
2003
ACM
16 years 6 days ago
Document clustering based on non-negative matrix factorization
In this paper, we propose a novel document clustering method based on the non-negative factorization of the termdocument matrix of the given document corpus. In the latent semanti...
Wei Xu, Xin Liu, Yihong Gong
182
Voted
INFORMATICALT
2008
124views more  INFORMATICALT 2008»
15 years 7 months ago
Hierarchical Adaptive Clustering
This paper studies an adaptive clustering problem. We focus on re-clustering an object set, previously clustered, when the feature set characterizing the objects increases. We prop...
Gabriela Serban, Alina Campan
VTC
2007
IEEE
164views Communications» more  VTC 2007»
16 years 1 months ago
Joint Distributed Clustering and Ranging for Wireless Ad-Hoc Sensor Networks
— This paper discusses a joint decentralized clustering and ranging algorithm for wireless ad-hoc sensor networks. Each sensor uses a random waiting timer and local criteria to d...
Chih-Yu Wen, Jun-Koh Chen, William A. Sethares
200
Voted
EMMCVPR
2003
Springer
16 years 5 days ago
Watershed-Based Unsupervised Clustering
In this paper, a novel general purpose clustering algorithm is presented, based on the watershed algorithm. The proposed approach defines a density function on a suitable lattice,...
Manuele Bicego, Marco Cristani, Andrea Fusiello, V...
218
Voted
HICSS
2002
IEEE
212views Biometrics» more  HICSS 2002»
15 years 12 months ago
Connectivity-Based k-Hop Clustering in Wireless Networks
Abstract. In this paper we describe several new clustering algorithms for nodes in a mobile ad hoc network. The main contribution is to generalize the cluster definition and forma...
Geng Chen, Fabian Garcia Nocetti, Julio Solano-Gon...