@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-instance-count dct:description "This query returns the number of known instances for the given class IRI."; dct:license ; a ; rdfs:label "Get instance count"; ; """prefix rdfs: prefix np: prefix npa: prefix npx: select (count(?instance) as ?count) where { graph ?g { ?instance a ?_class_iri . } graph npa:graph { ?np npa:hasValidSignatureForPublicKey ?pubkey . filter not exists { ?npx npx:invalidates ?np ; npa:hasValidSignatureForPublicKey ?pubkey . } ?np npa:hasGraph ?g . } }""" . } sub:provenance { sub:assertion prov:wasAttributedTo orcid:0000-0002-1267-0234 . } sub:pubinfo { orcid:0000-0002-1267-0234 foaf:name "Tobias Kuhn" . sub:sig npx:hasAlgorithm "RSA"; npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD4Wj537OijfOWVtsHMznuXKISqBhtGDQZfdO6pbb4hg9EHMcUFGTLbWaPrP783PHv8HMAAPjvEkHLaOHMIknqhaIa5236lfBO3r+ljVdYBElBcLvROmwG+ZGtmPNZf7lMhI15xf5TfoaSa84AFRd5J2EXekK6PhaFQhRm1IpSYtwIDAQAB"; npx:hasSignature "veXdxNB1m068ByirQxx5clzfXJqLDen3cPTRjbKnCYvi8F/Gd/4Y3lBKDTgWeO2fnVL9GCCKlqowDVEPIIi/Wc5/HQZp0YIGS0IXXqH/eip0uID+dXMtR2orczTHamiCxa5ilXSJV5Lk/iBQGQ6cy3r47+PzmN6Qv2TzomIIabc="; npx:hasSignatureTarget this:; npx:signedBy orcid:0000-0002-1267-0234 . this: dct:created "2024-11-22T09:12:02.436Z"^^xsd:dateTime; dct:creator orcid:0000-0002-1267-0234; dct:license ; npx:introduces sub:get-instance-count; npx:wasCreatedAt ; nt:wasCreatedFromProvenanceTemplate ; nt:wasCreatedFromPubinfoTemplate , ; nt:wasCreatedFromTemplate . }