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Sunday, 4 July 2021

Multiple Choice Questions with Answers in Information Retrieval SET 3

Top 5 quiz questions in IR, Information retrieval quiz, information retrieval mcqs with answers, information retrieval,  inverted index, zipf's law, fallout measure, term frequency, formal definition of information retrieval system

Information Retrieval MCQs - SET 03

1. A data structure that maps terms back to the parts of a document in which they appear is called

a) Lexicon

b) Dictionary

c) Inverted index

d) All of the above

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2. How the information retrieval problem can be defined formally?

a) a triple

b) a quadruple

c) a couple

d) None of the above

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3. The count of occurrences of a word in a document is referred as

a) document frequency

b) term frequency

c) collection frequency

d) change frequency

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4. Suppose the frequency of the most frequent word in a corpus of Tamil documents is 10000. What would be the estimated frequency of second most frequent in the given corpus as per Zipf’s law?

a) 10000

b) 2500

c) 5000

d) Cannot be determined

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5. The proportion of non-relevant items that has been retrieved in a given search is

a) Precision

b) Recall

c) Generality

d) Fallout

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Related links

 

Keywords

For what values of fallout ratio, we would say that the IR system is good?

Formal definition of information retrieval system as a quadruple

How to find the frequency of a second most frequent word using Zipf's law?

What is an inverted index? how to construct inverted index?

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