About: http://webisa.webdatacommons.org/200655476

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 business entity may authorize different types of members or participants, such as a primary market maker (PMM) and one or more competitive market makers (CMMs) to enter quotations in particular classes of options.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com