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Download JNTUH MCA 5th Sem R13 2019 December 815BJ Information Retrieval Systems Question Paper

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

This post was last modified on 17 March 2023




R13

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Code No: 815BJ

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA V Semester Examinations, December - 2019

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INFORMATION RETRIEVAL SYSTEMS



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Time: 3 Hours




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Max. Marks: 60

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

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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.


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PART - A



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5 ? 4 Marks = 20



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1.a) What do you understand by the terms "grepping" and "incidence matrix"? Explain.[4]
b) Explain about weighted zone scoring.



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[4]

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c)

What do you understand by text-centric and data-centric XML retrieval? Explain. [4]

d)

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What do you understand about support vector machines? Explain.



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[4]

e) What is a web graph? Explain.


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[4]



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PART - B




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5 ? 8 Marks = 40

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2.

Explain the process of querying using an inverted index and the basic boolean retrieval
model.

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[8]

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OR

3.

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What do you understand by tokenization? Explain in detail.




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[8]



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4.

Explain about term frequency and weighting in detail.

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[8]

OR

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5.

Explain the following components of an information retrieval system

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a) Tiered indexes

b) Query-term proximity.

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[4+4]

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6.

Discuss the vector space model for XML retrieval.

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[8]

OR

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7.

Explain about probability ranking principle.

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[8]

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8.

Explain the hierarchical clustering in information retrieval.

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[8]

OR

9.

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Discuss the k-means flat clustering algorithm.



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[8]



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10.

Discuss about crawler architecture in detail.

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[8]

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OR

11.

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Write short notes on:



a) Spammers

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b) Informational, navigational and transactional queries.

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[4+4]



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