About: http://webisa.webdatacommons.org/234377696

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	Solo sourcing is basically due to scarcity of suppliers i.e. there is only one supplier, such as monopolist, whereas single sourcing is having one supplier selected among a handful of them.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net