Download JNTUH MCA 5th Sem R15 2019 April-May 825AD Information Retrieval Systems Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 5th Sem (Fifth Semester) Regulation-R15 2019 April-May 825AD Information Retrieval Systems Previous Question Paper

R15

Code No: 825AD

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA V Semester Examinations, April/May - 2019

INFORMATION RETRIEVAL SYSTEMS



Time: 3 Hours













Max. Marks: 75


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

Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B
consists of 5 Units. Answer any one full question from each unit. Each question carries
10 marks and may have a, b, c as sub questions.



PART - A



















5 ? 5 Marks = 25



1.a)

Explain with an example the concept of Biword Indexes.







[5]

b)

What is Inverse document frequency?











[5]

c)

What is Probabilistic Information Retrieval?









[5]

d)

What is Hierarchical Clustering?













[5]

e)

Write a brief note on The Web Graph.











[5]



PART - B

















5 ? 10 Marks = 50


2.

Explain in detail about Distributed indexing.









[10]

OR

3.a)

Write a detailed note on Dynamic Indexing.

b)

Explain in detail about Dictionary compression.









[5+5]



4.

Explain in detail about following Components of an information retrieval system:



a) Relevance feedback



b) Query-term proximity.





[5+5]

OR

5.a)

Explain in detail about the Evaluation of Unranked Retrieval Sets.

b)

Explain how Assessing relevance is done for evaluating a system.



[5+5]


6.

Write a detailed note on vector space model for XML retrieval.





[10]

OR

7.a)

Explain in detail about the Text Classification problem.

b)

Write a detailed note on Rocchio classification.









[5+5]



8.a)

Explain various components used in Evaluation of clustering.

b)

Explain in detail about Single-link and complete-link clustering.



[5+5]

OR

9.a)

Write a detailed note on Low-rank approximations in Matrix Decompositions.

b)

Explain in detail about Group-average agglomerative clustering.



[5+5]



10.

What is a Web Crawler? Explain its architecture with a neat diagram.



[10]

OR

11.a) Write a detailed note on Connectivity servers required by Web Search Engines.
b) Write a detailed note on Hubs and Authorities.









[5+5]



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