Data Warehousing And Data Mining CS2031 MJ2013 7th Semester Question Paper

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Anna University Question Paper Code : 21284

B.E.B.Tech. DEGREE EXAMINATION, MAY/JUNE 2013.

Seventh Semester

Computer Science and Engineering

CS 2032 / CS 701 / 10144 CSE 32 — DATA WAREHOUSING AND DATA MINING

(Common to Sixth Semester Information Technology)

(Regulation 2008 / 2010)

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PART A — (10 x 2 = 20 marks)

1. What is a data mart?
2. State why one of the biggest challenges when designing a data warehouse is the data placement and distribution strategy.
3 What are production reporting tools? Give examples.
4. Define a data cube.
5. State the need for data cleaning.
6. What is pattern evaluation?
7. What is market basket analysis?
8. State the need for pruning phase in decision tree construction.
9. Classify hierarchical clustering methods.
10. What is an outlier?