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Bict 429:Automated Advanced Information Retrieval Question Paper

Bict 429:Automated Advanced Information Retrieval

Course:Information Science

Institution: Kenya Methodist University question papers

Exam Year:2013

KENYA METHODIST UNIVERSITY

END OF 1''ST ''TRIMESTER 2013 (EVENING) EXAMINATION
FACULTY : COMPUTING & INFORMATICS
DEPARTMENT : INFORMATION SCIENCE
UNIT CODE : BICT 429
UNIT TITLE : AUTOMATED ADVANCED INFORMATION
RETRIEVAL
TIME : 2 HOURS

INSTRUCTIONS: Answer ALL the Questions in Section A and ANY TWO

Questions in Section B

SECTION A

Question One

Using appropriate examples, discuss the precision ratio performance measure.
(10marks)

Question Two
Briefly explain how recall ratio applies as a performance measure of information retrieval. (10marks)

Question Three

Define the following FIVE terms in the context of automation and information retrieval.

Databases
Metadata
Information
Retrieval

Searching.

(10marks)

SECTION B

Question Four

An IR system returns EIGHT (8) relevant documents and 10(TEN) non-relevant documents. There are a total of 20 (TWENTY) relevant documents in the collection.

What is the precision of the system on this search?

What is its recall?

(20marks)

Question Five
Select a formula and discuss how it can be used to measure an information retrieval system. (20marks)

Question Six

Compare and contrast pre-coordinate and post-coordinate indexing. (20marks)

Bict 429:Automated Advanced Information Retrieval Question Paper

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