Data mining is a technology attracting many researchers and practitioners in recent years, it is a synthetic technology of various elemetary theories and techniques for data analysis. This fact causes sonic difficulties to understand data mining, and prevents its collaborative synthesis with the other thechnologies such as pattern recognition. In this note, the state of the art, the recent trend, the issues of data mining are briefly reviewed, and some problems caused by the differences of objectives, scopes and terminologies between data mininig and pattern recognition are discussed.
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