MCA V Semester Examinations, June/July - 2018
INFORMATION RETRIEVAL SYSTEMS
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Time: 3 Hours
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Max. Marks: 60
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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.
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PART - A
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5 ? 4 Marks = 20
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1.a) Define an information retrieval system.
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[4]
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b) What is scoring?
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[4]c) What are the challenges in XML retrieval?
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d) Discuss about Matrix decompositions.
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e) What are the characteristics of web?
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[4]PART - B
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5 ? 8 Marks = 40
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2.a)Explain about index construction.
b)
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Discuss about vocabulary lists.
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[4+4]OR
3.
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What is a retrieval model? Explain about boolean retrieval model.
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[8]4.
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How to compute scores in complete search system? Explain.--- Content provided by FirstRanker.com ---
[8]
OR
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5.What are the some potential problems in use of relevance feedback on hyper documents? Is
the use of positive feedback always better than using a negative feedback to improve a
query?
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[8]
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6.
Explain about language models for information retrieval.
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[8]OR
7.
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Discuss about vector space classification.
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[8]
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8.Explain the following.
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a) Semantic indexing.
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b) Support vector machines.--- Content provided by FirstRanker.com ---
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[4+4]
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OR
9.
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What is flat clustering? Explain it.--- Content provided by FirstRanker.com ---
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[8]
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10.
Discuss in detail about Link analysis.
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[8]OR
11.
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Write a detailed note on web crawling.
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[8]
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