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The extensive application of tree model has made tree mining become a hot field in data mining research. As an important branch of tree mining, tree cluster plays a fundamental analysis role in many areas. In this paper, a tree cluster algorithm was proposed based on least closed tree, which effectively solved problems in large amount of data in practical application. The basic method is bringing...
Mining unordered trees are very useful in domains like XML date, biological information, Web structure, etc. In this paper, we introduce an efficient algorithm UTMiner (unordered trees miner). As the trees are unordered, in order to avoid mining the same subtrees, an efficient unordered trees standardization is first introduced to transform the unordered trees into the standard subtrees. Then UTMiner...
Induced subtrees mining is of important researching value in the fields of XML documents, bioinformatics, web log and so forth. In this paper, the two conceptions of subtree vector and pruning threshold are proposed, and an algorithm ITMSV (induced subtrees mining based on subtree vector) is presented to discover frequent induced subtrees quickly by taking full advantages of the features of subtree...
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