166 search results - page 23 / 34 » Mining High Utility Itemsets in Big Data |
DEXA
2005
Springer
15 years 3 months ago
2005
Springer
The main challenge of mining sequential patterns is the high processing cost of support counting for large amount of candidate patterns. For solving this problem, SPAM algorithm wa...
NN
2006
Springer
14 years 10 months ago
2006
Springer
We introduce the Hierarchically Growing Hyperbolic Self-Organizing Map (H2 SOM) featuring two extensions of the HSOM (hyperbolic SOM): (i) a hierarchically growing variant that al...
ICDM
2003
IEEE
15 years 3 months ago
2003
IEEE
We explore in this paper the efficient clustering of item data. Different from those of the traditional data, the features of item data are known to be of high dimensionality and...
78
Voted
ICDM
2010
IEEE
14 years 8 months ago
2010
IEEE
Ensemble learning aims to improve generalization ability by using multiple base learners. It is well-known that to construct a good ensemble, the base learners should be accurate a...
KDD
2002
ACM
15 years 10 months ago
2002
ACM
This paper presents an approach to automatically optimizing the retrieval quality of search engines using clickthrough data. Intuitively, a good information retrieval system shoul...