Introduction to Information Retrieval
Introduction to Information Retrieval
Introduction to Information Retrieval
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<strong>Introduction</strong> <strong>to</strong> <strong>Information</strong> <strong>Retrieval</strong>Sec.14.3kNN decision boundariesBoundariesare inprinciplearbitrarysurfaces –but usuallypolyhedraGovernmentScienceArtskNN gives locally defined decision boundaries betweenclasses – far away points do not influence each classificationdecision (unlike in Naïve Bayes, Rocchio, etc.)6
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