Patent ID: 8126945

Claim:
A data management apparatus comprising: a processor, wherein the processor comprises: an element determination portion to determine respectively a plurality of data stored beforehand, as element data; an ordinal rank determination portion to determine ordinal ranks of determined plurality of said element data, wherein the ordinal rank determines an order in which identification information of the element data are displayed; and a combined data generation portion to generate and store combined data for a user in an electronic memory, which combined data includes a plurality of pieces of link information specifying at least part of each of said determined plurality of element data and defines an ordinal rank of each of said plurality of pieces of the link information in accordance with said determined ordinal ranks; a duplicating portion to duplicate the at least part of each of said determined plurality of element data that is specified in the combined data before the at least part of each of said determined plurality of element data that is specified in the combined data is changed without a permission from the user.