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Posted By: satish Member Level: Gold Posted Date: 01 Nov 2007
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2006 Jawaharlal Nehru Technological University B.E Computer Science IV B.Tech II Semester Supplementary Examinations, Apr/May 2006 DATA MINING AND WARE HOUSING Question paper
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Code No: NR420503 NR
IV B.Tech II Semester Supplementary Examinations, Apr/May 2006
DATA MINING AND WARE HOUSING
(Computer Science & Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. (a) Explain metadata and Data Marting concepts briefly with reference to data
warehousing.
(b) Draw the three tire decision support information diagram depicting the sum-
mary and detailed information. [marks 8+8]
2. (a) Discuss when a data mart is appropriate.
(b) Explain designing data marts.
(c) Discuss costs of data marting. [marks 6+6+4]
3. Describe the role and importance of hardware architecture of a data warehouse.
Explain with the help of an example situation. [marks 16]
4. (a) Discuss the design strategies to implement backup strategies.
(b) Describe the recovery strategies of a data warehouse system. [marks 8+8]
5. How do you make load estimation for a data warehouse? [marks 16]
6. (a) Explain the basic levels of testing a data warehouse.
(b) Explain a plan for testing the data warehouse. [marks 8+8]
7. (a) Which frequent itemset mining is suitable for text mining and why. Explain?
(b) Discuss the relationship between text mining and information retrieval and
information extraction. [marks 8+8]
8. (a) What is spatial trend? Explain about the spatial trend detection algorithm.
[marks3+5]
(b) What is spatial clustering? Write about spatial characterization. [marks 3+5]
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