About: http://webisa.webdatacommons.org/401685136

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 select descendant elements of other elements, but only when the element is a child of the first selected element???that is, only when it is directly contained within the first selected element.
http://www.w3.org/ns/prov#wasQuotedFrom	peachpit.com