Aw! The beautiful person in this effort was Karen Spärck Jones [1], who gave us tf–idf [2]. [1] https://en.wikipedia.org/wiki/Karen_Sp%C3%A4rck_Jones https://e

Aw! The beautiful person in this effort was Karen Spärck Jones [1], who gave us tf–idf [2]. [1] https://en.wikipedia.org/wiki/Karen_Sp%C3%A4rck_Jones https://en.wikipedia.org/wiki/Karen_Sp%C3%A4rck_Jones [2] https://en.wikipedia.org/wiki/Inverse_document_frequency https://en.wikipedia.org/wiki/Inverse_document_frequency But thank you.