Policy set for accessing workflows and workflow runs. urn:lsid:www.mygrid.org.uk:experimentinstance:* urn:lsid:www.mygrid.org.uk:operation:* Permits reading workflows and workflow runs to: 1. supervisors if the runs where executed in the organization they belong to; 2. students if the runs where executed by themselves. urn:lsid:www.mygrid.org.uk:experimentinstance:* urn:lsid:www.mygrid.org.uk:operation:* read supervisors students Denies read of all metadata to blacklisted experimenters. urn:lsid:www.mygrid.org.uk:* read urn:lsid:www.mygrid.org.uk:person:stu123