About: http://webisa.webdatacommons.org/404003248

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	A significant portion of the estimated 40,000 firefighters, police, construction and other workers who recovered bodies and cleaned the World Trade Center ruins have health problems.
http://www.w3.org/ns/prov#wasQuotedFrom	thefutoncritic.com