Question
What is a similarity function? What is Retrieval Effectiveness? How is Retrieval Effectiveness measured? What is recall? What is precision? What happens to precision when
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What is a similarity function?
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What is Retrieval Effectiveness?
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How is Retrieval Effectiveness measured?
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What is recall?
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What is precision?
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What happens to precision when recall increases?
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Compute the dot product of these two vectors <4,5,8> and <8,0.1,-1>
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Compute the dot product of these two vectors <1,1,0,-7,0,8> and <0,1,1,7,0,8>
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Compute the length or norm of vector <4,5,8>
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Compute the recall and precision for the following scenario. Suppose for a given query, there are 30 relevant documents in the collection. Suppose when 15 documents are retrieved, 9 are identified as relevant.
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