Dr. Bin Pei Profile

Dr. Bin Pei

at Renmin Univ of China

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Proceedings Article | 19 July 2013 Paper

A fuzzy approach for mining association rules in a probabilistic database

Bin Pei, Dingjie Chen, Suyun Zhao, Hong Chen

Proceedings Volume 8878, 88781G (2013) https://doi.org/10.1117/12.2031777

KEYWORDS: Fuzzy logic, Databases, Mining, Electroluminescence, Stereolithography, Sensors, Knowledge discovery, Binary data, Data modeling, Algorithm development

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Association rule mining is an essential knowledge discovery method that can find associations in database. Previous studies on association rule mining focus on finding quantitative association rules from certain data, or finding Boolean association rules from uncertain data. Unfortunately, due to instrument errors, imprecise of sensor monitoring systems and so on, real-world data tend to be quantitative data with inherent uncertainty. In our paper, we study the discovery of association rules from probabilistic database with quantitative attributes. Once we convert quantitative attributes into fuzzy sets, we get a probabilistic database with fuzzy sets in the database. This is theoretical challenging, since we need to give appropriate interest measures to define support and confidence degree of fuzzy events with probability. We propose a Shannon-like Entropy to measure the information of such event. After that, an algorithm is proposed to find fuzzy association rules from probabilistic database. Finally, an illustrated example is given to demonstrate the procedure of the algorithm.

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