. . . . "Returns all poster presentations for a given event, with title, date, authors, and nanopub link." . . . "Get poster presentations for event" . . "prefix rdfs: \nprefix dct: \nprefix np: \nprefix npa: \nprefix npx: \nprefix gen: \n\nselect ?poster ?poster_label ?date\n (group_concat(str(?author); separator=\" \") as ?authors_multi_iri)\n (group_concat(replace(replace(?authorname, \"\\\\\\\\\", \"\\\\\\\\\\\\\\\\\"), \"\\\\n\", \"\\\\\\\\n\"); separator=\"\\n\") as ?authors_label_multi)\n ?np (\"^\" as ?np_label)\nwhere {\n graph npa:graph {\n ?np npa:hasValidSignatureForPublicKeyHash ?pubkey .\n filter not exists { ?npx npx:invalidates ?np ; npa:hasValidSignatureForPublicKeyHash ?pubkey . }\n filter not exists { ?np npx:hasNanopubType npx:ExampleNanopub . }\n ?np dct:created ?npdate .\n ?np np:hasAssertion ?a .\n ?np npx:introduces ?poster .\n }\n values ?_event_multi_iri {}\n graph ?a {\n ?poster a gen:PosterPresentation .\n ?poster dct:isPartOf ?_event_multi_iri .\n ?poster dct:creator ?author .\n optional { ?author rdfs:label ?authorname . }\n optional { ?poster rdfs:label ?poster_label . }\n optional { ?poster dct:date ?date . }\n }\n}\ngroup by ?poster ?poster_label ?date ?np\norder by desc(?date)" . . "2026-03-23T11:26:26Z"^^ . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwUtewGCpT5vIfXYE1bmf/Uqu1ojqnWdYxv+ySO80ul8Gu7m8KoyPAwuvaPj0lvPtHrg000qMmkxzKhYknEjq8v7EerxZNYp5B3/3+5ZpuWOYAs78UnQVjbHSmDdmryr4D4VvvNIiUmd0yxci47dTFUj4DvfHnGd6hVe5+goqdcwIDAQAB" . "nmIrf44iRk3nPfUj8+k1KOwLOp3NnJQJWDgrVzIet7e5tnBVG+V5QnR8Zf3TALCf0bK2wKbEAyZlmGB7JM1K8qjFKryz6D1MheZF/IrLFaqsfDHCQfrV4/KmbFb0PPFIuPNRQ01rBbhOjCwZYiLRVZ05BrI6xRGxL05ViUxotNE=" . . .