Code No: 815BJ
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
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MCA V Semester Examinations, April/May - 2019INFORMATION RETRIEVAL SYSTEMS
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Time: 3 Hours
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Max. Marks: 60Note: This question paper contains two parts A and B.
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Part A is compulsory which carries 20 marks. Answer all questions in Part A. Part Bconsists 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) Compare extended Boolean model and ranked retrieval.--- Content provided by FirstRanker.com ---
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b) What is parametric index?--- Content provided by FirstRanker.com ---
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[4]
c) What is binary independence model?
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[4]d) What are the measures used for evaluation of external criterion of quality of clusters.
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e) How do the various nodes of a distributed crawler communicate and share URL? Explain.
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[4]
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PART - B
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5 ? 8 Marks = 40
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2.
Explain token normalization in detail.
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[8]
OR
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3.Explain dynamic indexing in detail.
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[8]
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4.
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How does the weight learned for weighted zone scoring?--- Content provided by FirstRanker.com ---
[8]
OR
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5.Discuss about vector space scoring and query operator interaction.
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[8]
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6.
Explain XML retrieval with vector space model.
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OR
7.
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Explain various feature selection methods.--- Content provided by FirstRanker.com ---
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8.
Discuss about machine learning methods in adhoc information retrieval.
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[8]OR
9.
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Explain how K-means is used for document clustering.
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[8]
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10.
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What are the required features of a crawler?--- Content provided by FirstRanker.com ---
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[8]OR
11.
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How do we compute page Rank? Explain.
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[8]
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---ooOoo---
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