Patent ID: 6490583
Filing Date: 2002-12-03
Classification: G06F,Y10S

Abstract:
A method for retrieving information documents satisfying a retrieval condition inputted by a user from among information documents stored in an information system, comprising the steps of:referring to retrieval data prepared and registered based on contents of information documents in said information system, and extracting based on said retrieval data a first set of attribute information each of the attribute information representing each of information documents matched with said retrieval condition designated by said user; referring to plural sets of attribute information, each set thereof consisting of attribute information of information documents accessible by each of a plurality of groups to which said user belong, and extracting from said plural sets of attribute information a second set of attribute information each of the attribute information representing each of information documents accessible by said groups to which said user belongs; performing a conjunction operation between said first set of attribute information and said second set of attribute information to obtain information documents belonging to both said first and second sets of attribute information as a retrieval result of said retrieval condition inputted by said user, wherein said first set of attribute information varies according to said retrieval condition designated by said user.