About: http://webisa.webdatacommons.org/321653546

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	Mellon asked companies such as Westinghouse Electric, Pittsburgh Plate Glass and Jones & Laughlin Steel to commit to space that had yet to be built, for rents higher than other buildings Downtown and on land prone to flooding.
http://www.w3.org/ns/prov#wasQuotedFrom	post-gazette.com