About: http://webisa.webdatacommons.org/269334249

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	In other words, it is a challenges using certain keyword(s) to search engine optimization (SEO) practitioners to rank themselves as a challenger among the major search engines such as Google, MSN and Yahoo.
http://www.w3.org/ns/prov#wasQuotedFrom	dstudiobali.com