In Information Retrieval if I have 2 postings list...like Brutus -------> 1,2,4,11,31,45,173,174. Caesar-------> 1,2,4,5,6,16,57,132. Could you...
In Information Retrieval
if I have 2 postings list...like Brutus ------->
1,2,4,11,31,45,173,174.
Caesar-------> 1,2,4,5,6,16,57,132.
Could you give me (Brutus AND NOT Caesar )??
Homework Answers
Posting List for Brutus----->1, 2, 4, 11, 31, 45, 173, 174.
Posting List for Caesar----->1, 2, 4, 5, 6, 16, 57, 132.
Query Brutus AND NOT Caesar will give postings of Brutus which are not postings of Caesar
11 is present in Brutus but not in Caesar.
31 is present in Brutus but not in Caesar.
45 is present in Brutus but not in Caesar.
173 is present in Brutus but not in Caesar.
174 is present in Brutus but not in Caesar.
So Brutus but not Caesar will give you following postings
11, 31, 45, 173,174
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In Information Retrieval
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