About: http://webisa.webdatacommons.org/401130256

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	The answer is that in UTF-8, ASCII is just 1 byte, but that in general, most Western languages including English use a few characters here and there that require 2 bytes, so actual percentages vary.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com