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><br />
Cosine for normalized vec<strong>to</strong>rs<br />
• For normalized vec<strong>to</strong>rs, the cosine is equivalent <strong>to</strong> the dot<br />
product or scalar product.<br />
• (if and are length-normalized).<br />
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