@prefix this: . @prefix sub: . @prefix np: . @prefix grlc: . @prefix dct: . @prefix nt: . @prefix npx: . @prefix xsd: . @prefix rdfs: . @prefix orcid: . @prefix prov: . @prefix foaf: . sub:Head { this: a np:Nanopublication; np:hasAssertion sub:assertion; np:hasProvenance sub:provenance; np:hasPublicationInfo sub:pubinfo . } sub:assertion { sub:get-recent-and-upcoming-events a grlc:grlc-query; dct:description "Returns all recent, ongoing, and upcoming events that are defined as Spaces."; dct:license ; rdfs:label "Get recent and upcoming events"; grlc:endpoint ; grlc:sparql """prefix rdfs: prefix dct: prefix np: prefix npa: prefix npx: prefix gen: prefix schema: prefix xsd: select ?event ?event_label ?status ?date ?np (\"^\" as ?np_label) where { graph npa:graph { ?np npa:hasValidSignatureForPublicKeyHash ?pubkey . filter not exists { ?npx npx:invalidates ?np ; npa:hasValidSignatureForPublicKeyHash ?pubkey . } filter not exists { ?np npx:hasNanopubType npx:ExampleNanopub . } ?np npx:introduces ?event . ?np np:hasAssertion ?a . ?np dct:created ?npDate . filter not exists { ?np2 npx:introduces ?event . ?np2 npa:hasValidSignatureForPublicKeyHash ?pubkey2 . filter not exists { ?npx2 npx:invalidates ?np2 ; npa:hasValidSignatureForPublicKeyHash ?pubkey2 . } ?np2 dct:created ?npDate2 . filter(?npDate2 > ?npDate) } } graph ?a { ?event a gen:Space . ?event a gen:Event . ?event rdfs:label ?event_label . ?event schema:startDate ?datetime . optional { ?event schema:endDate ?endDatetime . } } bind(xsd:date(substr(str(?datetime), 0, 11)) as ?date) bind(xsd:date(substr(str(now()), 0, 11)) as ?today) optional { bind(xsd:date(substr(str(?endDatetime), 0, 11)) as ?endDate) } bind(if(bound(?endDate), ?endDate, ?date) as ?effectiveEnd) filter(?date >= ?today || ?effectiveEnd >= ?today - \"P7D\"^^xsd:duration) bind(if(?effectiveEnd < ?today, 1, if(?date > ?today, 3, 2)) as ?statusOrder) bind(if(?date > ?today, \"upcoming\", if(?effectiveEnd >= ?today, \"ongoing\", \"recently concluded\")) as ?status) } order by ?statusOrder ?date""" . } 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 "2026-03-20T19:35:34Z"^^xsd:dateTime; dct:creator orcid:0000-0002-1267-0234; dct:license ; npx:introduces sub:get-recent-and-upcoming-events; npx:supersedes ; nt:wasCreatedFromProvenanceTemplate ; nt:wasCreatedFromPubinfoTemplate , ; nt:wasCreatedFromTemplate . sub:sig npx:hasAlgorithm "RSA"; npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwUtewGCpT5vIfXYE1bmf/Uqu1ojqnWdYxv+ySO80ul8Gu7m8KoyPAwuvaPj0lvPtHrg000qMmkxzKhYknEjq8v7EerxZNYp5B3/3+5ZpuWOYAs78UnQVjbHSmDdmryr4D4VvvNIiUmd0yxci47dTFUj4DvfHnGd6hVe5+goqdcwIDAQAB"; npx:hasSignature "hxQqltTsQuzs3n+4vaF3/hQ15/6vMXACzwSvseiR0raXIJpXoq7QUDFG6d4RyVrRf2q3Kow6Du0uZZ1IPICveHcJlSlrLHMwo5G27Pd+68Dt40DM5ZzA81ge1QDhmUn4q5/vW2MuNXrNqzvc8LJVhkwtwGTtvq0iSvFIPLMLjSg="; npx:hasSignatureTarget this:; npx:signedBy orcid:0000-0002-1267-0234 . }