About: http://webisa.webdatacommons.org/322799263

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	he first part is a sensor, which detects IR pulses transmitted by IR-LED. Whenever a train crosses
http://www.w3.org/ns/prov#wasQuotedFrom	seminarprojects.org