About: http://webisa.webdatacommons.org/301584781

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	Maybe this is not specifically an error in JavaScript, but it certainly makes the learning process, especially for beginners, a tough one.
http://www.w3.org/ns/prov#wasQuotedFrom	tutsplus.com