About: http://webisa.webdatacommons.org/101430567

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	The rule you are talking about is a recommendation to avoid seeing the effects of camera shake in your images.
http://www.w3.org/ns/prov#wasQuotedFrom	photography-on-the.net