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Efficient Graph Sequence Mining Using Reverse Search

Akihiro INOKUCHI, Hiroaki IKUTA, Takashi WASHIO

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Summary :

The mining of frequent subgraphs from labeled graph data has been studied extensively. Furthermore, much attention has recently been paid to frequent pattern mining from graph sequences. A method, called GTRACE, has been proposed to mine frequent patterns from graph sequences under the assumption that changes in graphs are gradual. Although GTRACE mines the frequent patterns efficiently, it still needs substantial computation time to mine the patterns from graph sequences containing large graphs and long sequences. In this paper, we propose a new version of GTRACE that permits efficient mining of frequent patterns based on the principle of a reverse search. The underlying concept of the reverse search is a general scheme for designing efficient algorithms for hard enumeration problems. Our performance study shows that the proposed method is efficient and scalable for mining both long and large graph sequence patterns and is several orders of magnitude faster than the original GTRACE.

Publication
IEICE TRANSACTIONS on Information Vol.E95-D No.7 pp.1947-1958
Publication Date
2012/07/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E95.D.1947
Type of Manuscript
PAPER
Category
Artificial Intelligence, Data Mining

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