About: http://webisa.webdatacommons.org/135378404

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 following is an example of attaching to the onerror event of a dedicated worker thread (the example will also work for shared workers with the exception that with shared workers postMessage needs to be called on a port):
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com