@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: a np:Nanopublication; np:hasAssertion sub:assertion; np:hasProvenance sub:provenance; np:hasPublicationInfo sub:pubinfo . } sub:assertion { sub:get-user-introductions a ; dct:description "Returns the introduction nanopublications of a given user (creation date, key location, declared public-key hashes), plus session-relative flags from the viewer's local key (?__LOCALPUBKEY_multi): whether each intro declares it and conditional retract/derive targets driving the per-row actions."; dct:license ; rdfs:label "Get user introductions"; ; """prefix np: prefix npx: prefix npa: prefix dct: select (max(?date0) as ?date) (sample(str(?keyLocation)) as ?location) (group_concat(distinct ?keyHash; separator=\", \") as ?keys) ?np (\"^\" as ?np_label) (if(sum(?isLocal) > 0, \"true\", \"\") as ?declares_local_key) (if(sum(?isLocal) > 0 && ?localCount > 1, str(?np), \"\") as ?retract_target) (if(sum(?isLocal) = 0 && ?localCount = 0 && max(?lpkBound) > 0, str(?np), \"\") as ?derive_target) where { values ?__LOCALPUBKEY_multi {} graph npa:graph { ?np npa:hasValidSignatureForPublicKey ?introPubkey . filter not exists { ?npx npx:invalidates ?np ; npa:hasValidSignatureForPublicKey ?introPubkey . } ?np dct:created ?date0 . ?np np:hasAssertion ?a . } graph ?a { ?keydeclaration npx:declaredBy ?_user_iri . ?keydeclaration npx:hasPublicKey ?pubkey . optional { ?keydeclaration npx:hasKeyLocation ?keyLocation . } bind(substr(sha256(?pubkey), 1, 10) as ?keyHash) } bind(coalesce(if(str(?pubkey) = str(?__LOCALPUBKEY_multi), 1, 0), 0) as ?isLocal) bind(if(bound(?__LOCALPUBKEY_multi), 1, 0) as ?lpkBound) { select (count(distinct ?lnp) as ?localCount) where { values ?__LOCALPUBKEY_multi {} graph npa:graph { ?lnp npa:hasValidSignatureForPublicKey ?lk2 . filter not exists { ?lnpx npx:invalidates ?lnp ; npa:hasValidSignatureForPublicKey ?lk2 . } ?lnp np:hasAssertion ?la . } graph ?la { ?lkd npx:declaredBy ?_user_iri ; npx:hasPublicKey ?lpubkey . } filter(coalesce(str(?lpubkey) = str(?__LOCALPUBKEY_multi), false)) } } } group by ?np ?localCount order by desc(max(?date0))""" . } 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 "2026-06-08T15:42:35Z"^^xsd:dateTime; dct:creator orcid:0000-0002-1267-0234; dct:license ; npx:embeds sub:get-user-introductions; npx:supersedes ; nt:wasCreatedFromProvenanceTemplate ; nt:wasCreatedFromPubinfoTemplate , , ; nt:wasCreatedFromTemplate . sub:sig npx:hasAlgorithm "RSA"; npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwUtewGCpT5vIfXYE1bmf/Uqu1ojqnWdYxv+ySO80ul8Gu7m8KoyPAwuvaPj0lvPtHrg000qMmkxzKhYknEjq8v7EerxZNYp5B3/3+5ZpuWOYAs78UnQVjbHSmDdmryr4D4VvvNIiUmd0yxci47dTFUj4DvfHnGd6hVe5+goqdcwIDAQAB"; npx:hasSignature "kGthdul1QtCLaYkbhVgQ18oxlL+v7upXveu7axD2Tav19Ou+ehnzRogWdvhLP/6WbGX4H8C3RR7DKbXiLlPE2yzapmxZzzmUX9WDsvtGeEoQ7PP67xCfNpW6HXGzB83XDmfQVNhTTcfom4/6Jzjh41rQCiG2m0GTVMbbtDrNVV4="; npx:hasSignatureTarget this:; npx:signedBy orcid:0000-0002-1267-0234 . }