@prefix this: . @prefix sub: . @prefix np: . @prefix dct: . @prefix rdf: . @prefix nt: . @prefix npx: . @prefix xsd: . @prefix rdfs: . @prefix orcid: . @prefix ns1: . @prefix prov: . @prefix foaf: . sub:Head { this: a np:Nanopublication; np:hasAssertion sub:assertion; np:hasProvenance sub:provenance; np:hasPublicationInfo sub:pubinfo . } sub:assertion { rdfs:label "has observer" . sub:assertion a nt:AssertionTemplate; dct:description "The creator of such a nanopublication declares to have participated in the specified event."; rdfs:label "Declaring the participation in an event"; nt:hasNanopubLabelPattern "${resource} has observer: ${user}"; nt:hasStatement sub:st1; nt:hasTag "Events" . sub:resource a nt:ExternalUriPlaceholder; rdfs:label "URI of resource that is observed" . sub:st1 rdf:object sub:user; rdf:predicate ; rdf:subject sub:resource . sub:user a nt:AgentPlaceholder; rdfs:label "choose user"; nt:hasDefaultValue nt:CREATOR . } 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 "2026-02-03T15:56:53.912Z"^^xsd:dateTime; dct:creator orcid:0000-0001-8492-0354, orcid:0000-0001-9488-1870, orcid:0000-0002-1267-0234; dct:license ; npx:supersedes ; npx:wasCreatedAt ; rdfs:label "Declaring the participation in an event"; nt:wasCreatedFromProvenanceTemplate ns1:RANwQa4ICWS5SOjw7gp99nBpXBasapwtZF1fIM3H2gYTM; nt:wasCreatedFromPubinfoTemplate , , , ; nt:wasCreatedFromTemplate . sub:sig npx:hasAlgorithm "RSA"; npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD4Wj537OijfOWVtsHMznuXKISqBhtGDQZfdO6pbb4hg9EHMcUFGTLbWaPrP783PHv8HMAAPjvEkHLaOHMIknqhaIa5236lfBO3r+ljVdYBElBcLvROmwG+ZGtmPNZf7lMhI15xf5TfoaSa84AFRd5J2EXekK6PhaFQhRm1IpSYtwIDAQAB"; npx:hasSignature "qvZsuMLLMUF23VB+GyJU0kX0leLIEsZiGEwU2KuxtPfRm4zeq5f62Xafkfa7qR67UEV97eKvgKzWXkuccRAd+kYfDsNAnyrWVmJBzB/66DDlT3Qzy+p6BdtXLelAp2ozBv+h21efaY3jm49d1ktInhpXfkuXQhoKO5+gYkvTu0Y="; npx:hasSignatureTarget this:; npx:signedBy orcid:0000-0002-1267-0234 . }