About: http://webisa.webdatacommons.org/3927062

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	Gmail (which is an application - more similar to your own application than web search) does allow you to show and refine the search options.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com