About: http://webisa.webdatacommons.org/254475185

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	Just as in non-concentrator systems, there is a need to protect against shadowing of the solar cells from clouds, birds, buildings, antennas, or other structures.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es