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CIS
2005
Springer
16 years 9 days ago
Concept Chain Based Text Clustering
Different from familiar clustering objects, text documents have sparse data spaces. A common way of representing a document is as a bag of its component words, but the semantic re...
Shaoxu Song, Jian Zhang, Chunping Li
ECML
2006
Springer
15 years 10 months ago
Efficient Prediction-Based Validation for Document Clustering
Recently, stability-based techniques have emerged as a very promising solution to the problem of cluster validation. An inherent drawback of these approaches is the computational c...
Derek Greene, Padraig Cunningham
ICDM
2002
IEEE
101views Data Mining» more  ICDM 2002»
15 years 11 months ago
A Self-Organizing Map with Expanding Force for Data Clustering and Visualization
Wing-Ho Shum, Huidong Jin, Kwong-Sak Leung, Man Le...
CCGRID
2008
IEEE
16 years 1 months ago
Optimized Distributed Data Sharing Substrate in Multi-core Commodity Clusters: A Comprehensive Study with Applications
Distributed applications tend to have a complex design due to issues such as concurrency, synchronization and communication. Researchers in the past have proposed abstractions to ...
Karthikeyan Vaidyanathan, Ping Lai, Sundeep Narrav...
BMCBI
2008
104views more  BMCBI 2008»
15 years 6 months ago
Missing value imputation improves clustering and interpretation of gene expression microarray data
Background: Missing values frequently pose problems in gene expression microarray experiments as they can hinder downstream analysis of the datasets. While several missing value i...
Johannes Tuikkala, Laura Elo, Olli Nevalainen, Ter...