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
R13
Code No: 815BJ
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA V Semester Examinations, December - 2019
INFORMATION RETRIEVAL SYSTEMS
Time: 3 Hours
Max. Marks: 60
S 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) What do you understand by the terms "grepping" and "incidence matrix"? Explain.[4]
b) Explain about weighted zone scoring.
[4]
c)
What do you understand by text-centric and data-centric XML retrieval? Explain. [4]
d)
What do you understand about support vector machines? Explain.
[4]
e) What is a web graph? Explain.
[4]
PART - B
5 ? 8 Marks = 40
2.
Explain the process of querying using an inverted index and the basic boolean retrieval
model.
[8]
OR
3.
What do you understand by tokenization? Explain in detail.
[8]
4.
Explain about term frequency and weighting in detail.
[8]
OR
5.
Explain the following components of an information retrieval system
a) Tiered indexes
b) Query-term proximity.
[4+4]
6.
Discuss the vector space model for XML retrieval.
[8]
OR
7.
Explain about probability ranking principle.
[8]
8.
Explain the hierarchical clustering in information retrieval.
[8]
OR
9.
Discuss the k-means flat clustering algorithm.
[8]
10.
Discuss about crawler architecture in detail.
[8]
OR
11.
Write short notes on:
a) Spammers
b) Informational, navigational and transactional queries.
[4+4]
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This post was last modified on 17 March 2023