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DKE
2007
105views more  DKE 2007»
13 years 11 months ago
On compressing frequent patterns
A major challenge in frequent-pattern mining is the sheer size of its mining results. To compress the frequent patterns, we propose to cluster frequent patterns with a tightness m...
Dong Xin, Jiawei Han, Xifeng Yan, Hong Cheng
DKE
2007
111views more  DKE 2007»
13 years 11 months ago
Category ranking for personalized search
Despite the effectiveness of search engines, the persistently increasing amount of web data continuously obscures the search task. Efforts have thus concentrated on personalized...
Christos Makris, Yannis Panagis, Evangelos Sakkopo...
DKE
2007
119views more  DKE 2007»
13 years 11 months ago
Association rules mining using heavy itemsets
A well-known problem that limits the practical usage of association rule mining algorithms is the extremely large number of rules generated. Such a large number of rules makes the...
Girish Keshav Palshikar, Mandar S. Kale, Manoj M. ...
DKE
2007
119views more  DKE 2007»
13 years 11 months ago
Error minimization in approximate range aggregates
Histogram techniques have been used in many commercial database management systems to estimate a query result size. Recently, it has been shown that they are very effective to su...
Xuemin Lin, Qing Zhang, Yidong Yuan, Qing Liu
DKE
2007
99views more  DKE 2007»
13 years 11 months ago
Soft constraint based pattern mining
Stefano Bistarelli, Francesco Bonchi
DKE
2007
90views more  DKE 2007»
13 years 11 months ago
On utilizing variables for specifying FDs in data-centric XML documents
We are interested in specifying functional dependencies (FDs) for data-centric XML documents (XML documents that are used mainly for data storage). FDs are a natural constraint. S...
Wai Yin Mok