About: http://webisa.webdatacommons.org/374495659

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	Examples of the alkali metal include Li, Na, K, Rb, and Cs, and examples of the alkaline-earth metal include Ca, Mg, Be, Sr, and Ba.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com