About: http://webisa.webdatacommons.org/416585502

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	Comparative Example 3 [0150] In this comparative example, glass substrates for a mask blank were produced in the manner similar to Example 1 except the following.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com