Download JNTUH MCA 5th Sem R13 2019 April-May 815BJ Information Retrieval Systems Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 5th Sem (Fifth Semester) Regulation-R13 2019 April-May 815BJ Information Retrieval Systems Previous Question Paper

R13

Code No: 815BJ

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA V Semester Examinations, April/May - 2019

INFORMATION RETRIEVAL SYSTEMS



Time: 3 Hours













Max. Marks: 60


Note: This question paper contains two parts A and B.

Part A is compulsory which carries 20 marks. Answer all questions in Part A. Part B
consists of 5 Units. Answer any one full question from each unit. Each question carries 8
marks and may have a, b, c as sub questions.



PART - A



















5 ? 4 Marks = 20



1.a) Compare extended Boolean model and ranked retrieval.







[4]

b) What is parametric index?















[4]

c) What is binary independence model?











[4]

d) What are the measures used for evaluation of external criterion of quality of clusters.
























[4]

e) How do the various nodes of a distributed crawler communicate and share URL? Explain.
























[4]

PART - B

















5 ? 8 Marks = 40


2.

Explain token normalization in detail.











[8]

OR

3.

Explain dynamic indexing in detail.











[8]



4.

How does the weight learned for weighted zone scoring?





[8]

OR

5.

Discuss about vector space scoring and query operator interaction.



[8]





6.

Explain XML retrieval with vector space model.









[8]

OR

7.

Explain various feature selection methods.









[8]





8.

Discuss about machine learning methods in adhoc information retrieval.

[8]

OR

9.

Explain how K-means is used for document clustering.







[8]



10.

What are the required features of a crawler?









[8]

OR

11.

How do we compute page Rank? Explain.









[8]






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