This query returns all research programmes.
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX np: <http://www.nanopub.org/nschema#> PREFIX npa: <http://purl.org/nanopub/admin/> PREFIX npx: <http://purl.org/nanopub/x/> PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> PREFIX dct: <http://purl.org/dc/terms/> PREFIX prov: <http://www.w3.org/ns/prov#> SELECT ?n1 ?label ?thing ?date where { GRAPH npa:graph { ?n1 npx:introduces ?thing . ?n1 npx:hasNanopubType <https://w3id.org/fair/ff/terms/Research-Programme> . ?n1 npa:hasValidSignatureForPublicKey ?pubkey . filter not exists { ?np2 npx:invalidates ?n1 ; npa:hasValidSignatureForPublicKey ?pubkey . } ?n1 dct:created ?date . ?n1 rdfs:label ?label . filter(contains(lcase(?label), lcase(?_searchterm)) ) } }