Data Structures and Algorithms-I MCQs

Page No. 43

What is the value of the Jaccard index when the two sets are disjoint?


a1

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b2

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c3

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d0

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View Answer 0

Which of the following is defined as the ratio of total elements of intersection and union of two sets?


aRope Tree

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bJaccard Coefficient Index

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cTango Tree

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dMinHash Coefficient

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Which indicator is used for similarity between two sets?


aRope Tree

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bJaccard Coefficient

✓


cTango Tree

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dMinHash Coefficient

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View Answer Jaccard Coefficient

Which technique was firstly used clustering documents using the similarity of two words or strings?


aMinHash

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bStack

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cPriority Queue

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dPAT Tree

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View Answer MinHash

Which technique was firstly used to remove duplicate web pages from search results in AltaVista search engine?


aMinHash

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bStack

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cPriority Queue

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dPAT Tree

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View Answer MinHash

Who invented the MinHash technique?


aWeiner

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bSamuel F. B. Morse

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cFriedrich Clemens Gerke

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dAndrei Broder

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View Answer Andrei Broder

Which technique is used for finding similarity between two sets?


aMinHash

✓


bStack

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cPriority Queue

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dPAT Tree

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View Answer MinHash

How is a bit vector better compared to a normal array for implementing the hash table?


aIt saves time

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bIt saves space

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cIt saves both time and space

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dIt reduces code complexity

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View Answer It saves space

What is the time complexity to delete an element from the direct address table?


aO(n)

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bO(logn)

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cO(nlogn)

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dO(1)

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View Answer O(1)

What is the advantage of using a dynamic set in direct addressing?


aIt saves time

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bIt saves space

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cIt saves both time and space

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dIt reduces code complexity

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View Answer It saves space

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