"precision at century" . _:b4037714 "1900"^^ . _:b4049361 . _:b4037713 . _:b4049362 "1900"^^ . . _:b4049362 . _:b4037713 . _:b4049361 . . "1900" . . _:b4037714 . _:b4049362 . . _:b4037714 . _:b4037713 "1900"^^ . _:b4049361 "1900"^^ .