Download JNTUH MCA 5th Sem R15 2018 January 825AD Information Retrieval Systems Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 5th Sem (Fifth Semester) Regulation-R15 2018 January 825AD Information Retrieval Systems Previous Question Paper

R15

Code No: 825AD

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA V Semester Examinations, January - 2018

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) Define Information Retrieval. Explain how Information Retrieval is different from

DBMS.

















[5]

b) Explain briefly the system issues in Information Retrieval.



[5]

c) Write a short note on the challenges faced in XML Retrieval.



[5]

d) What is Matrix Decomposition? State the two theorems associated with Matrix

Decomposition.















[5]

e) Write a short note on Connectivity Servers.







[5]



PART - B

















5 ? 10 Marks = 50

2.

Explain in detail about:



a) Single-Pass-in Memory Indexing.



b) Distributed Indexing.













[5+5]

OR

3.a)

Write a short note on Wildcard Queries.

b)

Explain in detail about Stemming and Lemmatization.





[5+5]



4.

Explain in detail about components of Information Retrieval System.

[10]

OR

5.

Explain in detail variant tf-idf functions used for assigning weight to terms in a
document for Retrieval.













[10]


6.a)

Explain in detail various types of Language Models.

b)

Write a short note on Language Models versus Other Approaches in IR. [5+5]

OR

7.

Explain in detail about Na?ve Bayes Text Classification.





[10]



8.

Explain in detail about Hierarchical Agglomerative Clustering.



[10]

OR

9.a)

Write a short note on machine learning methods in ad-hoc information retrieval.

b)

Explain in detail about Soft Margin Classification.





[5+5]



10.a) Explain in detail about DNS Resolution.
b) Write a detailed note on URL Frontier.









[5+5]

OR

11.

What is PageRank? Explain in detail about Markov Chains.



[10]



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