About: http://webisa.webdatacommons.org/70519747

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	For example, thin-film inorganic optical memories are discussed in U.S. Pat. No. 4,866,672, but these have drawbacks such as low crystalization speed, poor sensitivity, and inadequate reproduced-signal intensity.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au