Patent ID: 7680792
Filing Date: 2010-03-16
Classification: G06F

Abstract:
1. A document management system for retrieving document information from a storage unit which correlates and stores user information, a first keyword set by a first user, a second keyword set by a second user, and document information, wherein the document management system is implemented by executing a computer-executable process stored in a computer-readable storage medium by at least one computer, the document management system comprising: a first retrieval unit configured to retrieve document information from the storage unit based on a first retrieval condition including a keyword input by an operator and the user information of the first user, wherein the document information retrieved by the first retrieval unit correlates with the first keyword set by the first user and the user information of the first user, the first keyword including the keyword input by the operator; a specifying unit configured to specify the second user designated by the operator after the first retrieval unit retrieves the document information based on the first retrieval condition, wherein the second user is different from the first user; and a second retrieval unit configured to determine the second keyword in accordance with a keyword of a ranking higher than a predetermined ranking in keywords which are correlated with the document information retrieved by the first retrieval unit and which are set by the second user specified by the specifying unit, and to retrieve another document information from the storage unit based on a second retrieval condition including the determined second keyword and the user information of the second user, wherein the another document information retrieved by the second retrieval unit correlates with the determined second keyword set by the second user and the user information of the second user.