About: http://webisa.webdatacommons.org/8250614

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The data management device 401 sends control signals such as a sensor seizing signal, a data read out signal, and a data writing signal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com