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This study aims to develop a system to automatically extract and select celebrity information from websites, as traditionally celebrity information is gathered and selected by hand, which is rather time-consuming and often unable to stay updated due to large number of celebrities in Thailand, and potential ambiguity and conflict between information sources on the Internet. This study proposes a novel method that uses pattern matching and association rules to extract date of birth, height and weight of celebrities from websites. In addition, a weight estimation system based on height and BMI is developed in this study. It is found that our system is able to obtain more celebrity information than many Thai websites such as MThai.com. Also, the weight estimation system is able to estimate celebrities’ weights based on height and BMI index.
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