Lecture 3 Modeling.pdf
Lecture 3 Modeling.pdf
Lecture 3 Modeling.pdf
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Analysis of Probabilistic Model• advantage– documents are ranked in decreasing order oftheir probability of being relevant• disadvantages– the need to guess the initial separation ofdocuments into relevant and non-relevant sets– do not consider the frequency with which anindex terms occurs inside a document– the independence assumption for index terms3-49