About: http://webisa.webdatacommons.org/127130650

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	Specifically it allows multiple form inputs to be configured to search different aspects of a post, i.e. one term could search the post content, one the post title and one could search a custom field associated with the post.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.org