About: http://webisa.webdatacommons.org/56347785

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	(1) Either it means that (i) the leading symbol does not depend on the point x or (ii) that it is a scalar function, i.e. the functions on which the differential operator acts are defined only on one variable.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com