About: http://webisa.webdatacommons.org/88732870

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	I am no chemist, but I can test if a solution is alkaline or acidic by dipping litmus paper in it (though I would need a chemist to explain the significance of the result).
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.co.uk