About: http://webisa.webdatacommons.org/331025796

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	- Development of several types of solar cells continues for the present, such as crystal silicon, thin film silicon, and dye-sensitized type, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com