Patent ID: 8190559

Claim:
A document management computer system for performing a process of managing document file data, wherein the processor performs: acquiring the document file data relating to a standard of a product, and document file related data as data relating to the document file data which includes a priority of a significance set in advance according to one of a planning stage, a developing stage, a producing stage, a mass-producing stage, a maintaining stage, and a product terminating stage of the product, the priority of the significance depending on a significance of the document file data, through an input interface; storing at least the acquired document file related data in a storage device; setting a cycle for reviewing the document file data according to the priority of the significance in the stored document file related data; determining using the cycle whether or not a review date on which the document file data is to be reviewed has come; and transmitting to a user a message relating to the document file data according to a determination result of whether or not the review date on which the document file data is to be reviewed has come, through an output interface, wherein the process is performed by at least a processor of the computer system.