0
Data Mining & Business Intelligence : Question Paper Dec 2013 - Information Technology (Semester 6) | Mumbai University (MU)

Data Mining & Business Intelligence - Dec 2013

Information Technology (Semester 6)

TOTAL MARKS: 80
TOTAL TIME: 3 HOURS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks.


Attempt any four :-

1 (a) Differentiate between OLAP and OLTP(5 marks) 1 (b) What is noisy data? How to handle it.(5 marks) 1 (c) Explain constraint based association rule mining.(5 marks) 1 (d) Why is tree pruning useful in decision tree induction.(5 marks) 1 (e) What is balanced score card.(5 marks) 2 (a) Explain in details HITS algorithm in web mining.(10 marks) 2 (b) What are issue regarding classification? Different between classification and prediction.(10 marks) 3 (a) Explain Data Mining Premitives.(10 marks) 3 (b) Give the architecture of Typical Data Mining System.(10 marks) 4 (a) Consider the following database with minimum support count=60%. Find all frequent item set using Appriori and also generate strong association rules if minimum confidence =50%.

TID Items-brought
T1 {M,O,N,K,E,Y}
T2 {D,O,N,K,E,Y}
T3 {M,A,K,E}
T4 {M,U,C,K,Y}
T5 {C,O,O,K,I,E}
(10 marks) 4 (b) Explain multidimensional and multilevel association rules with an example.(10 marks) 5 (a) What do you mean by preprocessing? Why it is required.(10 marks) 5 (b) What is ELT process? Explain in detail giving emphasis on Data Transformation.(10 marks) 6 (a) Explain Bayesian classification.(10 marks) 6 (b) Explain periodic crawler and Incremental crawler.(10 marks)


Write short notes any two :-

7 (a) Test Mining Approaches(10 marks) 7 (b) Numerority reduction.(10 marks) 7 (c) Data Discretization and Summarization.(10 marks)

0  upvotes

Next up

Read More Questions

If you are looking for answer to specific questions, you can search them here. We'll find the best answer for you.

Search

Study Full Subject

If you are looking for good study material, you can checkout our subjects. Hundreds of important topics are covered in them.

Know More