http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.disit.org/km4city/schema#DeviceAttribute
http://www.disit.org/km4city/schema#data_type
float
http://www.disit.org/km4city/schema#value_type
http://www.disit.org/km4city/resource/value_type/vehicle_threshold_perc
http://www.disit.org/km4city/schema#value_name
thresholdPerc
http://www.disit.org/km4city/schema#value_unit
%
http://www.disit.org/km4city/schema#value_refresh_rate
600
http://www.disit.org/km4city/schema#healthiness_criteria
refresh_rate