About: http://webisa.webdatacommons.org/119378650

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 a variety of reasons, however, such phase adjustment and maintenance is an extremely difficult task, particularly when moderate or high power lasers are involved.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com