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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
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MCA V Semester Examinations, August - 2017
INFORMATION RETRIEVAL SYSTEMS
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Time: 3hrs--- Content provided by FirstRanker.com ---
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Max.Marks:60
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Answer any five questions
All questions carry equal marks
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- - -1.a)
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What is Information Retrieval System? Distinguish between IRS and DBMS.
b)
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Explain in detail about Digital Libraries and Data Warehouses.--- Content provided by FirstRanker.com ---
[6+6]
2.a)
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What is concept indexing approach? Explain in detail with a suitable example.
b)
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Explain the data flow in an information processing system with a neat sketch.[6+6]
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3.a)Explain in detail the Porter stemming algorithm
b)
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Describe how the PAT Data structure is different from N-gram data structure.
[6+6]
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4.a)
What is automatic indexing? Give the various classes of automatic Indexing?
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b)What are the benefits of a weighted index system over a Binary Index system?
[6+6]
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5.a)
Compare and contrast manual clustering and Automatic Term Clustering.
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b)
Define clustering and explain how clustering effects precision and recall.
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[6+6]6.
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Explain in detail about the following:a) Bayesian Model.
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b) Simple Term Frequency Algorithm.
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[6+6]7.
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Explain in detail about Cone-Tree visualization technique. List out its advantagescompared with other hierarchical representations.
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[12]
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8.a)
Explain in detail about text streaming architecture with a neat example.
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b)
Discuss about selective dissemination information search techniques with examples.[6+6]
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--ooOoo--
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