About: http://webisa.webdatacommons.org/83945804

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	Of course, some authors skip the underline and write $X \subset X$ to mean X is a subset of (possibly equal to) X, and would write $\{1\} \subsetneq \{1, 2\}$ to mean that the first set is a proper subset of (not equal to) the second.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com