. . . . "Lists the observer-tier members of a given space (highest validated tier is observer). Reads the materialized tier directly off each validated gen:RoleInstantiation (npa:hasRoleType) in the current space state and excludes anyone holding a higher tier; no role-declaration re-derivation. IRI-keyed by npa:forSpace (param space)." . . . "List space observers" . . "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 (max(?higher) as ?maxHigher)\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 (max(?higher0) as ?higher)\n (sample(?roleLabel0) as ?roleLabel)\n (strafter(max(concat(coalesce(str(?dateNp),\"\"), \" \", str(?grantNp))), \" \") as ?latestNp)\n where {\n values ?_space_multi_iri {}\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 ; npa:hasRoleType ?rt .\n }\n bind(if(?rt=gen:ObserverRole,0,1) as ?higher0)\n optional { graph npa:graph { ?grantNp dct:created ?dateNp } }\n optional {\n graph ?g { ?ri gen:hasRole ?role . }\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 ?rlS } }\n optional { graph ?role_a { ?role rdfs:label ?rlA } }\n optional { graph ?role_a { ?role dct:title ?rlB } }\n bind(coalesce(?rlS,?rlA,?rlB) as ?rl)\n }\n bind(coalesce(?rl,\"role\") as ?roleLabel0)\n }\n group by ?user ?role\n }\n }\n group by ?user\n having (max(?higher) = 0)\n }\n}\norder by ?user" . . "Tobias Kuhn" . "2026-06-23T19:50:34Z"^^ . . . . . "List space observers" . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwUtewGCpT5vIfXYE1bmf/Uqu1ojqnWdYxv+ySO80ul8Gu7m8KoyPAwuvaPj0lvPtHrg000qMmkxzKhYknEjq8v7EerxZNYp5B3/3+5ZpuWOYAs78UnQVjbHSmDdmryr4D4VvvNIiUmd0yxci47dTFUj4DvfHnGd6hVe5+goqdcwIDAQAB" . "eGk1zwIOexu6tNr9hZcSwQG0LSQuy4EdavMeqEaEyabMVbByjlkNP1cxDrS51KMv+3i90DIKxyvPpgInlNJ0N212FZCZIrgJv8KvNNLR8bEoVKe0j46PO4iRdyzYSiqF3NdLd8PaiCCks+BsZN2lyX2xxGkXST1mCMHFhDShfGI=" . . .