932 search results - page 43 / 187 » Hierarchical graph indexing |
AAAI
2008
13 years 11 months ago
2008
In this paper, a bottom-up hierarchical genetic algorithm is proposed to visualize clustered data into a planar graph. To achieve global optimization by accelerating local optimiz...
ICPR
2010
IEEE
14 years 1 months ago
2010
IEEE
Semantic analysis of a document collection can be viewed as an unsupervised clustering of the constituent words and documents around hidden or latent concepts. This has shown to i...
KDD
2004
ACM
14 years 9 months ago
2004
ACM
Mining frequent structural patterns from graph databases is an interesting problem with broad applications. Most of the previous studies focus on pruning unfruitful search subspac...
ICPR
2004
IEEE
14 years 10 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...
MSS
2003
IEEE
14 years 2 months ago
2003
IEEE
When data resides on tertiary storage, clustering is the key to achieving high retrieval performance. However, a straightforward approach to clustering massive amounts of data on ...