About: http://webisa.webdatacommons.org/60721143

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	Extensive searches were made of the literature, including the leading trade journals, technical papers, company literature, pertinent trade associations, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	bccresearch.com