About: http://webisa.webdatacommons.org/18829372

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	All purchasing documents, such as purchase orders and invoices, are exchanged electronically (via secure synchronous connections) in Electronic Data Interchange (EDI) format over the Internet.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com