About: http://webisa.webdatacommons.org/204336273

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	They use several objects to take the measurement such as the length, the weight, the area, the volume, the perimeter and the capacity in different units.
http://www.w3.org/ns/prov#wasQuotedFrom	mathworksheetscenter.com