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MLDM
2010
Springer
13 years 6 days ago
2010
Springer
In this paper we study the k-means clustering problem. It is well-known that the general version of this problem is NP-hard. Numerous approximation algorithms have been proposed fo...
MLDM
2010
Springer
13 years 6 days ago
2010
Springer
We propose a way of creating product maps with self-organizing maps (SOMs) for purchase decision making. We previously proposed a way of purchase decision support using SOMs and th...
MLDM
2010
Springer
13 years 6 days ago
2010
Springer
Prepaid customers in mobile telecommunications are not bound by a contract and can therefore change operators (`churn') at their convenience and without notification. This mak...