About: http://webisa.webdatacommons.org/286972614

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	to factors such as class of advertiser, size of transaction, seasonality, margin objectives, observed pricing trends, available online inventory, industry pricing strategies, and market conditions.
http://www.w3.org/ns/prov#wasQuotedFrom	marketplace.org