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| Mining Method of Frequent Patterns Based on Temporal Constraints |
| DU Yi1,3, LU DeTang1,2, LI DaoLun1,2, WEI WuZhou1,2 |
1.Institute of Engineering and Science Software, University of Science and Technology of China, Hefei 230027
2.Key Laboratory of Software in Computing and Communication of Anhui Province, Hefei 230027
3.School of Computer and Information, Shanghai Second Polytechnic University, Shanghai 201209 |
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Abstract Temporal data is a kind of useful information. Temporal attributes in data can be used to find some potential change rules of data and predict the possible tendency. An algorithm, Temporal Frequent Pattern mining algorithm (TemFP) is presented. According to the existing function of temporal query, a Double B+tree for storing time attributes of frequent patterns is described. Using a temporal frequent pattern tree including the Double B+tree, the queries of temporal rules, which defined by users, could be realized rapidly. Experimental results demonstrate that the proposed algorithm is efficient and scalable.
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Received: 20 January 2006
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2007, Vol. 20 
