Patent ID: 6519586
Filing Date: 2003-02-11
Classification: G06F,Y10S

Abstract:
A method of selecting and organizing documents from a document corpus in response to a user-provided search expression, the method comprising the steps of:a. locating, within the document corpus, documents matching the search expression; b. identifying, within the located documents, instances of a lexical construct conforming to a selected syntactic pattern that includes two or more parts of speech; c. assigning dispersion rates to words within the lexical constructs, each dispersion rate corresponding to the number of textually distinct lexical constructs containing the word; d. ranking the words in accordance with their dispersion rates; e. presenting a list of at least sonic of the words; f. facilitating selection of a listed word; g. appending the word to a base search expression to form a new search expression; and h. facilitating access to documents from the corpus matching the new search expression.