69 search results - page 12 / 14 » An Efficient Algorithm for Enumerating Closed Patterns in Tr... |
AUSDM
2007
Springer
14 years 1 months ago
2007
Springer
Mining High Utility Itemsets from a transaction database is to find itemsests that have utility above a user-specified threshold. This problem is an extension of Frequent Itemset ...
KDD
2002
ACM
14 years 7 months ago
2002
ACM
In this paper, we present a novel algorithm OpportuneProject for mining complete set of frequent item sets by projecting databases to grow a frequent item set tree. Our algorithm ...
VLDB
1991
ACM
13 years 11 months ago
1991
ACM
We present a priority system which is particularly suited for production rules coupled to databases. In this system, there are default priorities between all rules and overriding ...
SYRCODIS
2008
13 years 8 months ago
2008
In the last few years, XML became a de-facto standard for the exchange of structured and semi-structured data. The database research community took this development into account b...
ICDE
2002
IEEE
14 years 8 months ago
2002
IEEE
Computing the frequency of a pattern is one of the key operations in data mining algorithms. We describe a simple yet powerful way of speeding up any form of frequency counting sa...