May 2024
Intermediate to advanced
325 pages
12h 2m
English
Content preview from Distributed Database Systems, 1st Edition by Chhanda Ray
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Data Warehousing and Data Mining
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is a step involved in knowledge discovery process. There are various steps in knowledge discovery
process, known as selection, preprocessing, transformation, data mining, and interpretation and
evaluation. These steps are described below.
In the selection step, the data that are relevant to some criteria are selected or segmented.
Preprocessing is the data cleaning step where unnecessary information are removed.
In the transformation step, data is converted to a form that is suitable for data mining. In
this step, the data is made usable and navigable.
Data mining step is concerned with the extraction of patterns ...
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