Download JNTUH MCA 5th Sem R15 2020 November 825AD Information Retrieval Systems Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 5th Sem (Fifth Semester) Regulation-R15 2020 November 825AD Information Retrieval Systems Previous Question Paper

S OCT 2020

R15

Code No: 825AD

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA V Semester Examinations, October/ November - 2020

INFORMATION RETRIEVAL SYSTEMS



Time: 2 Hours













Max. Marks: 75



Answer any five questions

All questions carry equal marks

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1.

Explain with a neat example how Inverted Index is constructed for a given query. [15]



2.a)

Write a short note on Query Expansion.

b)

Explain briefly about the evaluation of Relevance Feedback Strategies.



[7+8]



used

3.

Explain in detail how a document is represented and retrieved in XML Retrieval using
Vector Space Model.















[15]


4.a)

Explain in detail about Group Average Agglomerative Clustering.

b)

Write a short note on Divisive Clustering.









[7+8]


5.a)

Enumerate the features of a Web Crawler.

b)

Explain the Crawler Architecture with a neat diagram.







[7+8]





6.

Enumerate the reasons for Dictionary Compression. Explain in detail the two
techniques used in Dictionary Compression.









[15]





















7.

Explain in detail how Rocchio algorithm is used for Relevance Feedback.

[15]


8.a)

Write a short note on the "1/0 Loss Case" in the Probability Ranking Principle.

b)

Explain briefly the Binary Independence Model used with PRP.





[7+8]





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