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)
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