About: http://webisa.webdatacommons.org/166162096

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	When a major algorithm change happens such as Penguin, Panda or more recently Hummingbird, we will need to alter our approach to match the criteria of the search engines, and this cannot be done overnight.
http://www.w3.org/ns/prov#wasQuotedFrom	webconsultancy.co.uk