163 search results - page 25 / 33 » Clustering Based on Principal Curve |
ICPR
2008
IEEE
15 years 4 months ago
2008
IEEE
A crucial preprocessing stage in applications such as OCR is text extraction from mixed-type documents. The present work, in contrast to most until now, successfully faces the pro...
SAC
2005
ACM
15 years 3 months ago
2005
ACM
In this paper we present an investigation into the run-time behaviour of objects in Java programs, using specially adapted coupling metrics. We identify objects from the same clas...
RECSYS
2009
ACM
15 years 2 months ago
2009
ACM
Robustness analysis research has shown that conventional memory-based recommender systems are very susceptible to malicious profile-injection attacks. A number of attack models h...
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BCS
2008
14 years 11 months ago
2008
In this work, a new algorithm is proposed for fast estimation of nonparametric multivariate kernel density, based on principal direction divisive partitioning (PDDP) of the data s...
ICDM
2007
IEEE
15 years 3 months ago
2007
IEEE
Sensor networks have increased the amount and variety of temporal data available, requiring the definition of new techniques for data mining. Related research typically addresses...