About: http://webisa.webdatacommons.org/215171248

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	What is being used (as most sites nowadays use) is Javascript/AJAX. That is used for features such as being able to write a quick reply to a thread without the entire page reloading when you post.
http://www.w3.org/ns/prov#wasQuotedFrom	head-fi.org