About: http://webisa.webdatacommons.org/158334734

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	If your library includes functionality other than searching, such as indexing new documents or removing them, you may include the Data::SearchEngine::Modifiable role.
http://www.w3.org/ns/prov#wasQuotedFrom	cpan.org