. . . . "This query returns all research questions that are linked to the given systematic review." . . . "Get research questions for systematic review" . . "prefix rdfs: \r\nprefix dct: \r\nprefix np: \r\nprefix npa: \r\nprefix npx: \r\nprefix sl: \r\n\r\nselect ?research_question ?research_question_label ?np (\"^\" as ?np_label) where {\r\n graph npa:graph {\r\n ?np npa:hasValidSignatureForPublicKeyHash ?pubkey .\r\n filter not exists { ?npx npx:invalidates ?np ; npa:hasValidSignatureForPublicKeyHash ?pubkey . }\r\n ?np dct:created ?date .\r\n ?np npx:signedBy ?creator .\r\n ?np np:hasAssertion ?a .\r\n optional { ?np rdfs:label ?label }\r\n }\r\n values ?_systematicReview_multi_iri {}\r\n graph ?a {\r\n ?_systematicReview_multi_iri sl:targetsResearchQuestion ?research_question .\r\n }\r\n service {\r\n select ?research_question ?research_question_label {\r\n graph npa:graph {\r\n ?rqnp npx:introduces ?research_question .\r\n ?rqnp npa:hasValidSignatureForPublicKeyHash ?rqpubkey .\r\n filter not exists { ?rqnpx npx:invalidates ?rqnp ; npa:hasValidSignatureForPublicKeyHash ?rqpubkey . }\r\n ?rqnp np:hasAssertion ?rqa .\r\n }\r\n graph ?rqa {\r\n ?research_question rdfs:label ?research_question_label .\r\n }\r\n }\r\n }\r\n}" . . "Tobias Kuhn" . "2026-01-13T14:14:46.228Z"^^ . . . . . . . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD4Wj537OijfOWVtsHMznuXKISqBhtGDQZfdO6pbb4hg9EHMcUFGTLbWaPrP783PHv8HMAAPjvEkHLaOHMIknqhaIa5236lfBO3r+ljVdYBElBcLvROmwG+ZGtmPNZf7lMhI15xf5TfoaSa84AFRd5J2EXekK6PhaFQhRm1IpSYtwIDAQAB" . "Ev4c34NadS8FocM1XEnH24Z05TtRkYHR88Z3Gc4wNMXvXi5QA8jH5fhyP3pDEi6jV6U5LSDwb45TBe5kHXzk8OrmX1Md6EgfzLYbTjceyZnK5hdDAkZMHQHRK3ewFPApan4zETZguqDSlr1T90nJ0PdZAXbQhoP3sLyFSSqZNkc=" . . .