File format conversion method and file system, information processing system, electronic commerce system using the method

File format conversion method and file system, information processing system, electronic commerce system using the method

The correspondence between originating file (130), conversion program (103) and destination file (131), is determined. One of the files is designated based on the issue of file input/output application program interface (API) entered by user. The format of originating file is converted into format o...

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Bibliographische Detailangaben
Hauptverfasser: NODA, FUMIO, KAGIMASA, TOYOHIKO, MASUOKA, YOSHIMASA, MIN, JINGHUA, INOHARA, SHIGEKAZU
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Zusammenfassung:The correspondence between originating file (130), conversion program (103) and destination file (131), is determined. One of the files is designated based on the issue of file input/output application program interface (API) entered by user. The format of originating file is converted into format of destination file, by executing the corresponded conversion program using as a trigger the file operation designated by the user. Independent claims are also included for the following: (1) personal computer; (2) server computer; (3) retrieval server computer; and (4) electronic commerce transaction system.