About: http://webisa.webdatacommons.org/24828801

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	For example, Be(OH)2 is amphoteric, Mg(OH)2 is a weak base, Ca(OH)2and Sr(OH)2 are moderately strong bases and Ba(OH)2 is nearly as strong base as the alkali metal hydroxides.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com