Patent ID: 8972358
Filing Date: 2015-03-03
Classification: G06F

Abstract:
1. A file storage apparatus, comprising: a duplication determination unit that determines whether or not a file supplied from a client apparatus and a file stored in a storage unit coincide with each other in a same format, and stores the file supplied from the client apparatus in the storage unit if the files do not coincide with each other in the same format; and a storage management unit that associates, if the duplication determination unit determines that the files coincide with each other in the same format, a format of the file supplied from the client apparatus with the file stored in the storage unit, reads a file stored in the storage unit in response to a file read request from a client apparatus, converts, if a format associated with the read file exists, the read file into the format, and provides the converted file, wherein, if similarity between feature information extracted from the file supplied from the client apparatus and feature information extracted from the file stored in the storage unit is not less than a predetermined threshold, the duplication determination unit determines that the files coincide with each other, and if the file supplied from the client apparatus is an image file, the duplication determination unit extracts at least one of color information and shape information about an image as the feature information.