. . . . "Returns the number of active users per year." . . . "Get yearly active user count" . . "prefix rdfs: \r\nprefix np: \r\nprefix npa: \r\nprefix npx: \r\nprefix xsd: \r\nprefix dct: \r\nprefix prov: \r\nprefix foaf: \r\n\r\nselect ?year (count(distinct ?userid) as ?usercount) where {\r\n { graph npa:graph {\r\n ?np npa:hasValidSignatureForPublicKey ?pubkey .\r\n ?np dct:creator ?userid .\r\n ?np dct:created ?date .\r\n } }\r\n union\r\n {\r\n graph npa:graph {\r\n ?np npa:hasValidSignatureForPublicKey ?pubkey .\r\n ?np np:hasAssertion ?assertion .\r\n ?np np:hasProvenance ?prov .\r\n ?np dct:created ?date .\r\n }\r\n graph ?prov {\r\n ?assertion prov:wasAttributedTo ?userid .\r\n }\r\n }\r\n filter not exists {\r\n graph npa:graph { ?np npa:hasSubIri ?userid . }\r\n }\r\n bind(substr(str(?date), 0, 5) as ?year)\r\n}\r\ngroup by ?year\r\norder by desc(?year)" . . "Tobias Kuhn" . "2025-06-26T10:40:35.276Z"^^ . . . . . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD4Wj537OijfOWVtsHMznuXKISqBhtGDQZfdO6pbb4hg9EHMcUFGTLbWaPrP783PHv8HMAAPjvEkHLaOHMIknqhaIa5236lfBO3r+ljVdYBElBcLvROmwG+ZGtmPNZf7lMhI15xf5TfoaSa84AFRd5J2EXekK6PhaFQhRm1IpSYtwIDAQAB" . "Wd3OKhyXgJ0vxvhCncrVbj2MYn8cYQXjhocb7tOuXjOBufcTUBnfd+DZVGX3zPR9qlTiuOslTH47qkb/yZ5FxWbNqtHi3462Fxwj8F9Ct+35doyoG0uI4qfM7ED2CnmjOuxOW1tjAEXDT+JVZsFi3/HR0RRTTeKs+wUkNDEhWcE=" . . .