About: http://webisa.webdatacommons.org/327187029

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	The alkali metal hydroxides or oxides include hydroxides and oxides of lithium, sodium, potassium and rubidium, such as sodium hydroxide, potassium hydroxide, lithium hydroxide, sodium oxide or potassium oxide.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com