About: http://webisa.webdatacommons.org/298194703

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	Well, OK, S/MIME is sort of widely supported in software (mainly due to Microsoft products), but it does not get used a lot.
http://www.w3.org/ns/prov#wasQuotedFrom	gossamer-threads.com