About: http://webisa.webdatacommons.org/151669138

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 addition, the optical waveguide may be formed by techniques such as sputtering, plasma CVD, metal organic CVD (MOCVD), sol-gel technique, EB evaporation, ion exchange, and metal diffusion technique.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com