| 摘要 |
PROBLEM TO BE SOLVED: To access medium objects of plural medium types which are stored in plural places by including medium access program logic to access a storage place where plural medium types are stored in medium class information. SOLUTION: A computer system 15 offers transparent access to plural types of medium files which are stored in various places including a local server 30 or the third server 40. That is, a medium manager can transparently access a user and automatically access a medium file regardless of a file place. For instance, in the case of a file place that exists in a remote third server 40, the medium manager connects to the remote URL, sets up an appropriate protocol, reads data in a universal format, converts the data into an appropriate format and supplies the data to an application. Consequently, the connection to a file can take a different format in accordance with a place where the file exists.
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