About: http://webisa.webdatacommons.org/149458321

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	In fact i use the same padding way to identify links by document, icons of pdf, word or other formats or even mailto at the right of links.
http://www.w3.org/ns/prov#wasQuotedFrom	css-tricks.com