Frequency

http://premon.fbk.eu/resource/fn16-using@frequency an entity of type: Concept

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."
xsd:dateTime 2006-08-07T19:50:22+02:00 
Frequency 
xsd:int 10445 
fre 

data from the linked data cloud