In a data management method using a hierarchical folder structure where an item such as data or a folder can be registered in multiple folders, attribute information is appended to each relational data piece that represents a pair of a child item that is either data or a folder regis
Data elements are classified into a plurality of folders in accordance with classification conditions on the basis of each of a plurality of metadata elements. Data elements in each of the folders are further classified into a plurality of folders on the basis of a metadata element d
This invention allows obtaining desired data even at a copy destination by only a simple copy operation irrespective of differences of search functions upon copying a search folder to an external device. This invention is directed to an information processing method in an information
A plurality of terminals connected to a network distribution-process update notifications of information and data obtainment, thereby constructing an information notifying network which needs no server. In the network constructed by a plurality of terminals, when the user updates the