An information-theoretic perspective of tf–idf measures - Aizawa, Akiko (Information processing & management, 2003)
Keywords: Document Handling; Exact sciences and technology; Frequency Data; Information and communication sciences; Information management; Information Retrieval; Information retrieval systems; Information retrieval systems. Information and document management system; Information science. Documentation; Information theory; Information theory approach; Mathematical Formulas; Measurement Techniques; Online information retrieval; Probability; Probability weighted amount of information; Sciences and techniques of general use; Searching; Specificity; Studies; Subject Index Terms; Term weighting theories; Text categorization; tf–idf; Theoretical Analysis; Theory; Weighted Data; Text categorization; Term weighting theories; tf–idf; Information theory; Word; Weighting; Measurement indicator; Occurrence frequency; Search system; Probability; Information retrieval; Algorithm; Categorization; Statistics