About: http://webisa.webdatacommons.org/71219186

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	Search engines such as Google, Yahoo!, and MSN use a simple but innovative auction mechanism for allocating the advertisement space on the side of search results.
http://www.w3.org/ns/prov#wasQuotedFrom	seobythesea.com