Hall Ticket No:
Question Paper Code B2208
(AUTONOMOUS) M. Tech I Semester Supplementary Examinations, June 2017
(Regulations: VCE-R14) DATA WAREHOUSING AND DATA MINING
(Computer Science and Engineering) Date: 16 June, 2017 AN
Time: 3 hours
Max Marks: 60
Answer any FIVE Questions
Each Question carries equal marks
1.
What is data mining? Describe the process of knowledge discovery in databases with suitable diagram.
8M
Give the functionalities of data mining.
4M
2.
Define preprocessing. Write a note on data discretization.
6M
Explain the activities involved in Data Transformation.
6M
3.
Explain the different types of schemas for multidimensional data models with an example for each schema.
6M
Distinguish between OLAP and OLTP.
6M
4.
Discuss the various factors that affect the computational complexity of Apriori Algorithm.
6M
Explain the alternative methods for generating frequent item sets.
6M
5.
Write a note on Rule-based classification.
4M
Discuss the criteria that can compare and evaluate for classification and prediction methods.
8M
6.
Briefly describe the following clustering approaches with examples in each case:
i. Partitioning methods
ii. Density-based methods
iii. Model-based methods
12M
7.
Give the role of sequence patterns in mining the biological data.
6M
Elaborate different types of mining data streams with an example.
6M
8.
Design an effective scheme that can be used to filter out junk e-mails effectively and discuss how such methods should be evolved along with time.
6M
Write a note on spatial data mining and multimedia data mining.
6M