Bag of Words

Definition(s)

A Feature Engineering method in which the Features of each Document comprise the set of words contained in that Document. Documents are determined to be Relevant or Not Relevant depending on what words they contain. Elementary Keyword Search and Boolean Search methods, as well as some Machine Learning methods, use the Bag of Words model. 1

Notes

  1. Maura R. Grossman and Gordon V. Cormack, EDRM page & The Grossman-Cormack Glossary of Technology-Assisted Review, with Foreword by John M. Facciola, U.S. Magistrate Judge2013 Fed. Cts. L. Rev. 7 (January 2013).