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» Robust Hierarchical Clustering
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EPIA
2011
Springer
12 years 9 months ago
Thematic Fuzzy Clusters with an Additive Spectral Approach
This paper introduces an additive fuzzy clustering model for similarity data as oriented towards representation and visualization of activities of research organizations in a hiera...
Susana Nascimento, Rui Felizardo, Boris Mirkin
KDD
2007
ACM
124views Data Mining» more  KDD 2007»
14 years 4 months ago
Hierarchical mixture models: a probabilistic analysis
Mixture models form one of the most widely used classes of generative models for describing structured and clustered data. In this paper we develop a new approach for the analysis...
Mark Sandler
ICDM
2006
IEEE
130views Data Mining» more  ICDM 2006»
14 years 4 months ago
Efficient Clustering for Orders
Lists of ordered objects are widely used as representational forms. Such ordered objects include Web search results or best-seller lists. Clustering is a useful data analysis tech...
Toshihiro Kamishima, Shotaro Akaho
CSDA
2007
103views more  CSDA 2007»
13 years 10 months ago
Cluster-wise assessment of cluster stability
Stability in cluster analysis is strongly dependent on the data set, especially on how well separated and how homogeneous the clusters are. In the same clustering, some clusters m...
Christian Hennig
COMCOM
2007
95views more  COMCOM 2007»
13 years 10 months ago
Key management for long-lived sensor networks in hostile environments
Large-scale wireless sensor networks (WSNs) are highly vulnerable to attacks because they consist of numerous resource-constrained devices and communicate via wireless links. Thes...
Michael Chorzempa, Jung Min Park, Mohamed Eltoweis...