About: http://webisa.webdatacommons.org/423784144

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	B+ !, wherein n is an integer of from about 8 to about 20 and B is a cation, and an anionic dye with carboxylate groups, sulfonate groups, or both carboxylate and sulfonate groups.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com