About: http://webisa.webdatacommons.org/217837973

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	It is for this reason that conventional outdoor projection systems have a low operational duty cycle (i.e. they are usable only in low light conditions such as during the night time).
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca