About: http://webisa.webdatacommons.org/179123544

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	Therefore, there was a difficult problem of sufficiently securing isolation of the programming threshold voltage and the erasure threshold voltage.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com