A method of automatically generating a topical description of text by receiving the text containing input words; stemming each input word to its root form; assigning a user-definable part-of-speech score to each input word; assigning a language salience score to each input word; assigning an input-word...http://www.google.co.uk/patents/US5937422?utm_source=gb-gplus-sharePatent US5937422 - Automatically generating a topic description for text and searching and sorting text by topic using the same
