Hi
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Hi Bastian Schiele, Maurice Kilgus,
Here is my example using a Web Service:
I use it to transform the two input datasets to the joined result:
In the define ports dialog we see that the service gets the two datasets in one input port, as sub-nodes of a cluster:
The bit of java coding might look like this:
Note that operations like Join might consume a lot of resources
Hope this help,
Thanks,
Udi