. . . . "List nanopublications related to Discrete Global Grid Systems (DGGS)." . . . "Get nanopublications related to DGGS" . . "prefix rdfs: \r\nprefix dct: \r\nprefix np: \r\nprefix npa: \r\nprefix npx: \r\n\r\nselect ?np ?pubkey ?date \r\n (sample(?label) as ?label) \r\n (sample(?title) as ?title) \r\n (sample(?text) as ?text) \r\n (sample(?supersedes) as ?supersedes)\r\nwhere {\r\n graph npa:graph {\r\n ?np npa:hasValidSignatureForPublicKeyHash ?pubkey .\r\n \r\n filter not exists { \r\n ?npx npx:invalidates ?np ; \r\n npa:hasValidSignatureForPublicKeyHash ?pubkey_inv . \r\n }\r\n \r\n filter not exists {\r\n ?newer_np npx:supersedes ?np ;\r\n npa:hasValidSignatureForPublicKeyHash ?pubkey_super .\r\n }\r\n \r\n filter not exists {\r\n ?retraction_np npx:retracts ?np ;\r\n npa:hasValidSignatureForPublicKeyHash ?pubkey_ret .\r\n }\r\n \r\n ?np dct:created ?date .\r\n ?np np:hasAssertion ?a .\r\n }\r\n \r\n optional {\r\n graph npa:graph {\r\n ?np npx:supersedes ?supersedes .\r\n }\r\n }\r\n \r\n graph ?a {\r\n ?s ?p ?o .\r\n filter(\r\n isLiteral(?o) && regex(str(?o), \"DGGS|Discrete Global Grid|discrete global grid\", \"i\")\r\n )\r\n }\r\n \r\n optional { \r\n graph ?a { ?s rdfs:label ?label }\r\n }\r\n optional { \r\n graph ?a { ?s dct:title ?title }\r\n }\r\n bind(?o as ?text)\r\n}\r\ngroup by ?np ?pubkey ?date\r\norder by desc(?date)" . . "Anne Fouilloux" . "2026-02-18T20:16:41.393Z"^^ . . . . . . . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDWv2pJnmDsBOq8OlT1aSvYXSuWT34WOp4FYqEzdnn2F0kqzcFevBqWGZDxJWC0lqCrDEuNfp2QFyPe/+nES9dlHGYIhqPi68fwK6ZiNUotRFxXou+rjFznVvUxtCL8Ede79EBHwWN61QtwSIcU12bLoZsNPFlqQASQ93BJuKlihwIDAQAB" . "yUaD7jQ7u7Xy/+NEr4cVJAy774SyVbNTfR6/4ea2SiSjaHMfSxqV35VtD2Qy8rquayNefeRY9lkaroE3yX/3IbiQeE8CgChJdwhUKn3XRkcwIXO+hmz13MPpFQMfCBYMcOJ7ODU+3SWBVNRn1BVj9XhlSlT1lS6KWA/8+pKh1oE=" . . .