Patent attributes
A worker defines a first conversion rule to convert data in a data format of a cooperative operation objective system as an input into data in a data format of first common data, a second conversion rule to convert data in the format of the first common data into data in a data format of a second common data, and a third conversion rule to convert data in the data format of the second common data into data in a data format of a cooperative operation objective system as an output. According to the rules, conversion processing is executed to convert data in the data format of the input system into data in the data format of the output system.