From the time immemorial humans have been manually extracting hidden predictive patterns from data, but the increasing volume of data in modern time requires an automatic approach.
With the advent of data mining, it provides a new powerful technology with great potential to help private and public focus on the most important information in their data bases. Data mining is a result of a long process of research and product development, and the primary reason is to assist not only in uncovering hidden pattern’s from databases but also consists of collecting, managing, analysis and prediction of data.
The term data mining derived its name from the similarities between searching for valuable information in a large database and mining a mountain for a vein of valuable one so the two processes require either sifting through an immense amount of material, or intelligently probing it to find where the value resides. This unit examines the meaning of data mining, the difference between it and knowledge discovery
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