1. An information management method for use in an information management system that includes a coordinate pointing device for identifying a paper medium, and a contents server for managing a digital document, and holds an attribute of the digital document and an attribute of a paper document obtained by printing the digital document on the paper medium, the information management method comprising: judging whether a paper document identified by the coordinate pointing device is a master of a document by referring to an attribute of the paper document; and permitting, when it is judged that the identified paper document is the master of the document, to update information annotated to the identified paper document in a digital document corresponding to the paper document to which the information has been annotated.
1. An information management method for use in an information management system that includes a coordinate pointing device for identifying a paper medium, and a contents server for managing a digital document, and holds an attribute of the digital document and an attribute of a paper document obtained by printing the digital document on the paper medium, the information management method comprising: judging whether a paper document identified by the coordinate pointing device is a master of a document by referring to an attribute of the paper document; and permitting, when it is judged that the identified paper document is the master of the document, to update information annotated to the identified paper document in a digital document corresponding to the paper document to which the information has been annotated. 4. The information management method according to claim 1 , further comprising: updating, in case of which it is judged that the identified paper document is the master of the document, the information annotated to the identified paper document in the digital document corresponding to the paper document to which the information has been annotated; judging whether the paper document to which the information has been annotated is maintained as the master of the document; and setting, when it is not judged that the paper document is maintained as the master of the document, the attribute of the paper document to which the information has been annotated to indicate a duplication of the document, and setting an attribute of the digital document updated by using the information annotated to the paper document to indicate a master of the document.