124
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PAKDD
13 years 11 months ago
2011 ACM 
Discovering rare categories and classifying new instances of them is
an important data mining issue in many fields, but fully supervised
learning of a rare class classifier is pr...
132
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SISAP
13 years 8 months ago
2011 IEEE
In this paper we present a novel technique for nearest neighbor searching dubbed neighborhood approximation. The central idea is to divide the database into compact regions repres...
125
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PAKDD
13 years 8 months ago
2011 ACM
Abstract. The concept of similarity is fundamentally important in almost every scientific field. Clustering, distance-based outlier detection, classification, regression and sea...
120
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SDM
13 years 8 months ago
2011 SIAM
In this paper we present a fast and accurate procedure called clustered low rank matrix approximation for massive graphs. The procedure involves a fast clustering of the graph and...
108
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SDM
13 years 8 months ago
2011 SIAM 
Latent semantic analysis (LSA), as one of the most popular unsupervised dimension reduction tools, has a wide range of applications in text mining and information retrieval. The k...
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Data Mining