Lecture 3 Modeling.pdf
Lecture 3 Modeling.pdf
Lecture 3 Modeling.pdf
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Analysis of vector model• advantages– its term-weighting scheme improves retrievalperformance– its partial matching strategy allows retrieval ofdocuments that approximate the query conditions– its cosine ranking formula sorts the documentsaccording to their degree of similarity to the query• disadvantages– indexed terms are assumed to be mutuallyindependently3-29