@prefix this: . @prefix sub: . @prefix np: . @prefix dct: . @prefix nt: . @prefix npx: . @prefix xsd: . @prefix rdfs: . @prefix orcid: . @prefix prov: . @prefix foaf: . sub:Head { this: np:hasAssertion sub:assertion; np:hasProvenance sub:provenance; np:hasPublicationInfo sub:pubinfo; a np:Nanopublication . } sub:assertion { sub:get-pico-research-questions dct:description "This query returns all PICO-based research questions."; dct:license ; a ; rdfs:label "Get PICO research questions"; ; """prefix rdfs: prefix dct: prefix np: prefix npa: prefix npx: prefix pico: select ?question ?question_label ?creator ?date ?np where { graph npa:graph { ?np npx:hasNanopubType pico:PICO . ?np npa:hasValidSignatureForPublicKeyHash ?pubkey . filter not exists { ?npx npx:invalidates ?np ; npa:hasValidSignatureForPublicKeyHash ?pubkey . } ?np dct:created ?date . ?np npx:signedBy ?creator . ?np npx:introduces ?question . ?np rdfs:label ?question_label . } }""" . } sub:provenance { sub:assertion prov:wasAttributedTo orcid:0000-0002-1267-0234 . } sub:pubinfo { orcid:0000-0002-1267-0234 foaf:name "Tobias Kuhn" . this: dct:created "2025-11-14T09:18:34.364Z"^^xsd:dateTime; dct:creator orcid:0000-0002-1267-0234; dct:license ; npx:embeds sub:get-pico-research-questions; npx:wasCreatedAt ; nt:wasCreatedFromProvenanceTemplate ; nt:wasCreatedFromPubinfoTemplate , ; nt:wasCreatedFromTemplate . sub:sig npx:hasAlgorithm "RSA"; npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD4Wj537OijfOWVtsHMznuXKISqBhtGDQZfdO6pbb4hg9EHMcUFGTLbWaPrP783PHv8HMAAPjvEkHLaOHMIknqhaIa5236lfBO3r+ljVdYBElBcLvROmwG+ZGtmPNZf7lMhI15xf5TfoaSa84AFRd5J2EXekK6PhaFQhRm1IpSYtwIDAQAB"; npx:hasSignature "9ZykijuLWeALjSoAnYCwb3aPsvRgktSQOcoj2sI/MLAmYJ5J3knQ5S5UaQkXnqn5/h6AypDZTa3dK8p0wtk5COwXfJCc43B5R67Wh6QAMjslTblAeG1cfUjf469eJ45SEtGtU69E6AdMc+AcaDsCDc5hOfhEKnwJE1VDJhyReDk="; npx:hasSignatureTarget this:; npx:signedBy orcid:0000-0002-1267-0234 . }