About: http://webisa.webdatacommons.org/366320597

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	Did you check the server logs or did you use a network monitor/sniffer?Anyway, GET request you are trying to send looks invalid.
http://www.w3.org/ns/prov#wasQuotedFrom	arduino.cc