Download Ranking of Database Query Results

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Ranking Function: Adaptation of PIR
Models for Structured Data
The basic philosophy of PIR models is that
given a document collection, ‘D’, the set of
relevant documents, ‘R’, and the set of
irrelevant documents, R (= D – R), any
document ‘t’ in ‘D’ can be ranked by finding
out score(t). The score(t) is the probability of
‘t’ belonging to the relevant set, ‘R’