Data Mining: the search for knowledge in databases.

Abstract

Data mining is the search for relationships and global patterns that exist in large databases, but are `hidden' among the vast amounts of data, such as a relationship between patient data and their medical diagnosis. These relationships represent valuable knowledge about the database and objects in the database and, if the database is a faithful mirror, of the real world registered by the database. One of the main problems for data mining is that the number of possible relationships is very large, thus prohibiting the search for the correct ones by simple validating each of them. Hence, we need intelligent search strategies, as taken from the area of machine learning. Another important problem is that information in data objects is often corrupted or missing. Hence, statistical techniques should be applied to estimate the reliability of the discovered relationships. This report provides a survey of current data mining research, it presents the main underlying ideas, such as inductive l...

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