. . . . "Lists the observers of a given space: agents holding the observer role (validated role instantiations in the current space state). Reads gen:hasRole directly off each validated gen:RoleInstantiation and keeps only the observer role; one row per agent, with the role label linking to the granting nanopub(s). IRI-keyed by npa:forSpace (param space)." . . . "List space observers by role" . . "prefix rdfs: \nprefix dct: \nprefix np: \nprefix npa: \nprefix gen: \nprefix schema: \nselect ?user ?role_assignments_multi_iri ?role_assignments_label_multi where {\n {\n select ?user\n (group_concat(?latestNp; separator=\" \") as ?role_assignments_multi_iri)\n (group_concat(?roleLabel; separator=\"\\n\") as ?role_assignments_label_multi)\n where {\n {\n select ?user ?role\n (sample(?roleLabel0) as ?roleLabel)\n (strafter(max(concat(coalesce(str(?dateNp),\"\"), \" \", str(?grantNp))), \" \") as ?latestNp)\n where {\n values ?_space_multi_iri {}\n values ?role {\n \n }\n graph npa:graph { npa:thisRepo npa:hasCurrentSpaceState ?g . }\n graph ?g {\n ?ri a gen:RoleInstantiation ; npa:forSpace ?_space_multi_iri ; npa:forAgent ?user ; npa:viaNanopub ?grantNp ; gen:hasRole ?role .\n }\n optional { graph npa:graph { ?grantNp dct:created ?dateNp } }\n optional {\n graph npa:spacesGraph { ?rd2 npa:role ?role ; npa:viaNanopub ?roleNp . }\n graph npa:graph { ?roleNp np:hasAssertion ?role_a . }\n optional { graph ?role_a { ?role schema:name ?rl } }\n }\n bind(coalesce(?rl,\"observer\") as ?roleLabel0)\n }\n group by ?user ?role\n }\n }\n group by ?user\n }\n}\norder by ?user" . . "Tobias Kuhn" . "2026-06-26T12:24:08Z"^^ . . . . "List space observers by role" . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwUtewGCpT5vIfXYE1bmf/Uqu1ojqnWdYxv+ySO80ul8Gu7m8KoyPAwuvaPj0lvPtHrg000qMmkxzKhYknEjq8v7EerxZNYp5B3/3+5ZpuWOYAs78UnQVjbHSmDdmryr4D4VvvNIiUmd0yxci47dTFUj4DvfHnGd6hVe5+goqdcwIDAQAB" . "GlDLwzuuL66aE/YjwRC/D4yGoWV3o6f3nuoySrbtw4PDj6uDhuWBJETeTX012jOdNIz4Z7vRekH0IYH1r6HDsVrfmQKzthg/2rYW8NXoTR+1Y5wTbQOtR5KBmNe8IJXH6mWZYZndvQt9cac1eZqchHF/yAEP5rszOZAhoMnYVfs=" . . .