Lecture
Information Retrieval Basics: Document Length and Normalization
Description
This lecture covers the role of document length in information retrieval, discussing the normalization of document vectors, pivoted unique query normalization, compensating bias towards short documents, and properties of length normalization. It also explores variants of the vector space retrieval model, the precision-recall tradeoff, evaluating information retrieval models, and measures like accuracy, F-measure, and mean average precision.
Official source
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