Jawaharlal Nehru Technological University Hyderabad 2010-5th Sem M.C.A Iester Regular s DATA WAREHOUSING AND MINING - Question Paper

Code No: 43
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
M.C.A IV Semester Regular exams July 2010
DATA WAREHOUSING AND MINING
Time: 3hours Max.Marks:60
ans any 5 ques.
All ques. carry equal marks
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1. define the data warehouse architecture. discuss the problems in implementing data
warehouses.
2.a) describe data cleaning? what are the new and significance of data cleaning and
data transformation.
b) How is a conceptual hierarchy useful in data modeling?
3. define the data mining primitives. discuss the distinct features of mining query
languages.
4.a) Write a short notes on mining class comparisons.
b) Write about the mining descriptive statistical measures in large data bases?
5.a) discuss mining multilevel association rules from transaction databases.
b) Write short note on constraint-based association mining.
6.a) Distinguish classification and prediction.
b) Write about classification by Back propagation?
7. Write about:
a) Density based methods
b) Model-based clustering methods.
8.a) discuss a method of mining spatial data.
b) Write about mining multimedia data bases.
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R06

Earning:   Approval pending.