About: http://webisa.webdatacommons.org/157230278

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	Studies show they increase the risk of asthma and other respiratory diseases.what is worse, coal mining is extremely dangerous.
http://www.w3.org/ns/prov#wasQuotedFrom	dailytech.com