Download JNTUA MCA 2014 Oct Supply 4th Sem 06MC403 Data Warehousing and Mining Question Paper

Download JNTUA (JNTU Anantapur) MCA (Master of Computer Applications) 2014 Sept-Oct Supplementary 4th Sem 06MC403 Data Warehousing and Mining Question Paper

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Code: 06MC403
MCA IV Semester Supplementary Examinations September/October 2014
DATA WAREHOUSING AND MINING
(For students admitted in 2008 only)
Time: 3 hours Max Marks: 60
Answer any FIVE questions
All questions carry equal marks
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1 (a) Describe the classification of data mining systems.
(b) Discuss about data warehouse implementation.

2 Why to preprocess the data? What is data cleaning? Explain in detail.

3 (a) What are the data mining primitives?
(b) Describe DMQL syntax for task relevant data.

4 (a) What are the descriptive statistical measures in large databases?
(b) Explain about data generalization and summarization based characterization.

5 (a) Discuss about mining multilevel association rules from transactional databases.
(b) Discuss about mining multidimensional association rules from relational databases to
data warehouses.

6 (a) What are the issues regarding classification and prediction?
(b) Explain about decision tree induction with an example.

7 Explain about major Clustering methods.

8 Explain the following:
(a) Spatial databases.
(b) Multimedia databases.
(c) Mining the world wide web.
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