The workflow tests the standard-compliance of web service descriptions of ARC-1, a development of the EU project "KnowARC" to modernise the grid infrastructure ARC of the NorduGrid. Learn more about it on http://www.knowarc.eu and http://www.nordugrid.org. If you have computers in spare - join us - and help you very own and many other sciences. And you make many interesting contacts just en passent. No authorisation is required for this very experimental service.