4085 search results - page 338 / 817 » Benchmarking Data Mining Algorithms |
196
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ICDM
2009
IEEE
15 years 4 months ago
2009
IEEE
This paper presents a simple but powerful extension of the maximum margin clustering (MMC) algorithm that optimizes multivariate performance measure specifically defined for clust...
175
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GECCO
2008
Springer
15 years 7 months ago
2008
Springer
This paper studies the issue of space coordinate change in genetic algorithms, based on two methods: convex quadratic approximations, and principal component analysis. In both met...
192
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ICTAI
2005
IEEE
16 years 9 days ago
2005
IEEE
Estimating the optimal number of clusters for a dataset is one of the most essential issues in cluster analysis. An improper pre-selection for the number of clusters might easily ...
182
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KDD
2009
ACM
16 years 7 months ago
2009
ACM
Social networks have become a major focus of research in recent years, initially directed towards static networks but increasingly, towards dynamic ones. In this paper, we investi...
212
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KDD
2009
ACM
16 years 7 months ago
2009
ACM
Search logs, which contain rich and up-to-date information about users' needs and preferences, have become a critical data source for search engines. Recently, more and more ...