"This frame element is defined as the number of times an event occurs per some unit of time. A Frequency expression answers the question \"how often.\""@en . . . "This frame element is defined as the number of times an event occurs per some unit of time. A Frequency expression answers the question \"how often.\" "^^ . . "2006-08-07T19:50:22+02:00"^^ . "Frequency" . "Frequency"^^ . "Extra-Thematic"^^ . "Extra-Thematic" . "KmG" . . . . "This frame element is defined as the number of times an event occurs per some unit of time. A Frequency expression answers the question \"how often.\""@en . . "10445"^^ . "Frequency" . "fre" .