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A framework for mining top-k frequent closed itemsets using order preserving generators
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Annual Bangalore Compute Conference archive
Proceedings of the 2nd Bangalore Annual Compute Conference table of contents
Bangalore, India
SESSION: List of accepted papers table of contents
Article No.: 3  
Year of Publication: 2009
ISBN:978-1-60558-476-8
Authors
R V Nataraj  PSG College of Technology, Coimbatore, India
S Selvan  St. Peter's Engineering College, Chennai, India
Sponsors
SIGWEB: ACM Special Interest Group on Hypertext, Hypermedia, and Web
SIGSOFT: ACM Special Interest Group on Software Engineering
Publisher
ACM  New York, NY, USA
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ABSTRACT

In this paper, we propose OP-TKC (Order Preserving Top K Closed itemsets) algorithm for mining top-k frequent closed itemsets. Our methodology visits the closed itemsets lattice in breadth first manner and generates all the top-k closed itemsets without generating all the closed itemsets of a given dataset i.e. in the search space, only closed itemsets that belongs to top-k are expanded and all other closed itemsets are pruned off. Our algorithm computes all the top-k closed itemsets with O(D+ k) space complexity, where D is the dataset. Experiments involving publicly available datasets show that our algorithm takes less memory and running time than TFP algorithm.


REFERENCES

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