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PAKDD
2010
ACM
13 years 8 months ago
2010
ACM
Recent studies have proposed different methods for mining frequent episodes. In this work, we study the problem of mining closed episodes based on minimal occurrences. We study the...
PAKDD
2010
ACM
13 years 10 months ago
2010
ACM
Abstract. Privacy protection in publishing transaction data is an important problem. A key feature of transaction data is the extreme sparsity, which renders any single technique i...
PAKDD
2010
ACM
13 years 10 months ago
2010
ACM
In this paper, we focus our attention on the problem of computing the ratio of two numbers, both of which are the summations of the private numbers distributed in different parties...
PAKDD
2010
ACM
13 years 8 months ago
2010
ACM
Mining frequent itemsets from transactional datasets is a well known problem with good algorithmic solutions. In the case of uncertain data, however, several new techniques have be...
PAKDD
2010
ACM
13 years 8 months ago
2010
ACM
Abstract. One of the more challenging problems faced by the data mining community is that of imbalanced datasets. In imbalanced datasets one class (sometimes severely) outnumbers t...