R09

Code: 9A05706

B.Tech IV Year II Semester (R09) Regular & Supplementary Examinations May/June 2014

DATA WAREHOUSING & DATA MINING (Electronics & Computer Engineering) Time: 3 hours

Max. Marks: 70 Answer any FIVE questions All questions carry equal marks *****

1 (a) Describe three challenges to data mining regarding data mining methodology and user interaction issues. (b) Draw and explain the three-tier architecture of a data warehouse. 2 (a) Briefly discuss about data integration. (b) Briefly discuss about data transformation. 3 (a) Briefly discuss about task-relevant data specification. (b) Explain the syntax for task-relevant data specification. 4 (a) Explain about rule based classification. (b) Explain about support vector machines. 5

Explain about density-based methods and grid based methods.

6

Explain about/mining sequence patterns in transactional database.

7 (a) What is cluster analysis? What are some typical applications of clustering? What are some typical requirements of clustering in data mining? (b) Discuss about model-based clustering methods. 8

Explain about additional themes on data mining and social impact of data mining. ******

data warehousing & data mining -

1 (a) Describe three challenges to data mining regarding data mining methodology and user interaction issues. (b) Draw and explain the three-tier architecture ...

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