Sep 27, 13 •
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Notes •
Niroj Pahi •
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Data warehousing is the process of gathering information from different parts of a business process in a centralized database. It can be defined as the collection of data that is used by employees in an organisation for easy access and smooth running. Since
Mar 10, 13 •
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Engineering Sample Papers, General, Notes •
Mitali Panda •
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Data warehouse and Data mining DATA WAREHOUSE and DATA MINING 1. a) What is entropy? How is it related to information gain? b) What is a concept hierarchy? Explain with the help of an example. c) Formally define association rule mining problem. d) How can you