366 search results - page 4 / 74 » Detecting the Number of Clusters in n-Way Probabilistic Clus... |
KDD
2004
ACM
14 years 6 months ago
2004
ACM
Unsupervised clustering can be significantly improved using supervision in the form of pairwise constraints, i.e., pairs of instances labeled as belonging to same or different clu...
ICCV
2011
IEEE
12 years 6 months ago
2011
IEEE
This paper addresses the challenge of recognizing behavior of groups of individuals in unconstraint surveillance environments. As opposed to approaches that rely on agglomerative ...
ICML
2004
IEEE
14 years 7 months ago
2004
IEEE
Many clustering algorithms fail when dealing with high dimensional data. Principal component analysis (PCA) is a popular dimensionality reduction algorithm. However, it assumes a ...
CIKM
2011
Springer
12 years 6 months ago
2011
Springer
This paper offers a novel look at using a dimensionalityreduction technique called simhash [8] to detect similar document pairs in large-scale collections. We show that this algo...
PRL
2007
13 years 5 months ago
2007
This paper proposes a novel nonparametric clustering algorithm capable of identifying shape-free clusters. This algorithm is based on a nonparametric estimation of the normalized ...