About: http://webisa.webdatacommons.org/51953132

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 specify that the addition and scalar multiplication operations are always sensible??? they are defined for every pair of vectors, and every scalar and vector, and the result of the operation is a member of the set (see Example 1.4).
http://www.w3.org/ns/prov#wasQuotedFrom	wikibooks.org