About: http://webisa.webdatacommons.org/181779510

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	It sounds like it, but my thought was that a user may catch other types of errors and use them meaningfully, but here it would be clearly advised not to rely on catching it.
http://www.w3.org/ns/prov#wasQuotedFrom	ruby-lang.org