About: http://webisa.webdatacommons.org/278907043

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	If the columns or rows are a measure, users can apply a range of calculations, such as addition, subtraction, multiplication, and division of a column, percentage, and difference.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net