About: http://webisa.webdatacommons.org/81963844

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, there are other kinds of projections you can make: in $\mathbb{R}^2$, instead of projecting onto the $x$-axis or the $y$-axis, we could project, for example, onto the line $x=y$: take, say, $(a,b)$ to $(a,a)$.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com