Assume there are 5 relevant documents for a query Q, the results from an IR systems...
Assume there are 5 relevant documents for a query Q, the results from an IR systems are D1, D2, D3, D10. It is known that D3, D6, and D9 are the only relevant results. WHat is the precision of the system for the query Q?
A) 3/5
B) 3/10
C) 0.20
D) 0.25
E) None of the above
Homework Answers
Precision is the number of relevant documents retrieved out of total documents retrieved.
Precision = Relevant Documents Retrieved/Total Documents Retrieved
For the above question, Precision = 1/4
Answer is D, i.e., 0.25
Hope, the problem is solved, for any query related to this answer please comment.
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