Code No. 5378

FACULTY OF ENGINEERING B.E. 4/4 (CSE) II - Semester (Main) Examination, May 2016 Subject : Information Retrieval Systems (Elective – III) Time : 3 Hours Max. Marks: 75 Note: Answer all questions from Part-A and answer any five questions from Part-B.

PART – A (25 Marks) (3) (3) (3) (2) (3) (2) (2) (2) (2) (3)

-1

60 4

What is the purpose of idf ? Define Boolean Model. Define recall and precision. List several Query protocols. What B user Relevance Feedback. What is an inverted file. Define metadata. Discuss sequential searching. Define distributed IR. Define pattern matching.

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1 2 3 4 5 6 7 8 9 10

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PART – B (5x10=50 Marks) Explain the Information Retrieval process.

(10)

12 (a)

Explain the various query languages used in Information Retrieval process. Explain vector space material

(5) (5)

60

(b)

4

11 (a)

Explain different types of mark-up languages use in IR system (10)

14 (a)

Explain the procedure of document clustering.

(10)

15 (a) (b)

Compare Text Compression Techniques. Explain the Indexing of Text Searching.

(5) (5)

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O

16 (a)

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13 (a)

Explain sequential searching. What are the disadvantages of sequential search in IR system. (10)

17 Write short notes on the following: (a) (b)

Porter's stemming algorithm. Bayesian Networks.

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