4039 search results - page 117 / 808 » A Method for Dynamic Clustering of Data |
119
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PRL
2002
15 years 4 months ago
2002
Missing data handling is an important preparation step for most data discrimination or mining tasks. Inappropriate treatment of missing data may cause large errors or false result...
137
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SIGIR
2000
ACM
15 years 8 months ago
2000
ACM
We investigate four hierarchical clustering methods (single-link, complete-link, groupwise-average, and single-pass) and two linguistically motivated text features (noun phrase he...
119
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ICDM
2003
IEEE
15 years 9 months ago
2003
IEEE
Algorithms for tracking concept drift are important for many applications. We present a general method based on the Weighted Majority algorithm for using any online learner for co...
148
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VIS
2008
IEEE
16 years 5 months ago
2008
IEEE
Data sets resulting from physical simulations typically contain a multitude of physical variables. It is, therefore, desirable that visualization methods take into account the enti...
138
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IJNSEC
2007
15 years 4 months ago
2007
This paper analyzes the blackhole attack which is one of the possible attacks in ad hoc networks. In a blackhole attack, a malicious node impersonates a destination node by sendin...