About: http://webisa.webdatacommons.org/52704684

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	The question is a thorny one, compounded by business relationships involving all four companies, and also, by differences between the products themselves.
http://www.w3.org/ns/prov#wasQuotedFrom	techtarget.co.uk