About: http://webisa.webdatacommons.org/434770521

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	Tornado watch in effect until 10pm ET for parts of Pennsylvania, NJ, Delaware, Maryland, Virginia and West Virginia, including Washington DC, Baltimore and Philadelphia - @weatherchannel
http://www.w3.org/ns/prov#wasQuotedFrom	breakingnews.com