METHOD FOR SELECTING STORAGE CLOUD FOR STORAGE OF ENTITY FILES FROM PLURALITY OF STORAGE CLOUDS, AND COMPUTER AND COMPUTER PROGRAM THEREFOR

摘要

A technique to enable the user of storage clouds to use of a plurality of storage clouds without the user of storage clouds being aware of which data is being entrusted to which storage cloud and without sacrificing safety or ease-of-use by selecting at least one storage cloud to store an entity file storable in a cloud-utilizing terminal from among a plurality of storage clouds connected via a network to the cloud-utilizing terminal. This technique includes referencing the attributes or context of an entity file, or the attributes of a virtual folder and each attribute of a plurality of storage clouds, in response to the creation or update of the entity file in the virtual folder in the cloud-utilizing terminal, and selecting at least one storage cloud from among a plurality of storage clouds for storing the entity file so as to satisfy predefined rules.