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Committee Date Time Place Paper Title / Authors Abstract Paper #
COMP 2012-06-21
11:00		 Hokkaido Hokkaido University Efficient Exponential Time Algorithms for Edit Distance between Unordered Trees
Tatsuya Akutsu, Takeyuki Tamura (Kyoto Univ.), Daiji Fukagawa (Doshisha Univ.), Atsuhiro Takasu (NII) COMP2012-15		 This report presents efficient exponential time algorithms for the unordered tree edit distance problem, which is known ... [more] COMP2012-15
pp.25-31
COMP 2009-06-29
14:05		 Hokkaido Hokkaido University Approximating Edit Distance of Unordered Trees of Bounded Height
Daiji Fukagawa (NII), Tatsuya Akutsu (Kyoto Univ.), Atsuhiro Takasu (NII) COMP2009-22		 The edit distance problem on two unordered trees is known to be MAX SNP-hard. In this paper, we present an approximation... [more] COMP2009-22
pp.31-36
COMP 2008-05-13
15:20		 Fukuoka Kyushu Sangyo University Improved approximation of the Largest common Sub-tree of Two Unordered Trees of Bounded Height
Tatsuya Akutsu (Kyoto Univ.), Daiji Fukagawa, Atsuhiro Takasu (NII) COMP2008-13		 Finding similarities in tree structured data is important for such areas as computational biology, XML databases and ima... [more] COMP2008-13
pp.37-42
PRMU, DE 2007-06-28
11:00		 Hokkaido Hokkaido Univ. Finding of Frequent Similar Subtrees in Tree-Structured Data
Hisashi Tosaka, Atsuyoshi Nakamura, Mineichi Kudo (Hokkaido Univ.) DE2007-2 PRMU2007-28		 We study a novel problem of mining subtrees with frequent occurrence of
similar subtrees, and propose an efficient algo... [more]		 DE2007-2 PRMU2007-28
pp.7-12
COMP 2006-09-26
15:40		 Ishikawa JAIST A New Representation of Ordered Trees
Jesper Jansson, Kunihiko Sadakane (Kyushu Univ.), Wing-Kin Sung (NUS) 		There exist two well-known succinct representations of ordered trees:
BP (balanced parenthesis) [Munro, Raman 2001] and... [more]		 COMP2006-29
pp.31-37
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