Means

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

The Means is a subevent which the Cause or Actor participates in which results in triggering the System . You must have set off the alarm by stepping near this sensor.
xsd:dateTime 2011-07-25T12:15:08+02:00 
Means 
xsd:int 14549 
mea 

data from the linked data cloud