22 search results - page 1 / 5 » A Hierarchical Projection Pursuit Clustering Algorithm |
ICPR
2004
IEEE
14 years 6 months ago
2004
IEEE
We define a cluster to be characterized by regions of high density separated by regions that are sparse. By observing the downward closure property of density, the search for inte...
HT
1996
ACM
13 years 9 months ago
1996
ACM
HyPursuit is a new hierarchical network search engine that clusters hypertext documents to structure a given information space for browsing and search activities. Our content-link...
ICASSP
2010
IEEE
13 years 5 months ago
2010
IEEE
In this paper, we examine the problem of learning from noisecontaminated data in high-dimensional space. A new learning approach based on projections onto multi-dimensional ellips...
ICML
2004
IEEE
14 years 5 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 ...
DGO
2006
13 years 6 months ago
2006
Government agencies must often quickly organize and analyze large amounts of textual information, for example comments received as part of notice and comment rulemaking. Hierarchi...