About: http://webisa.webdatacommons.org/51701752

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 agents can be business firms, species in a ecosystem, antigens in the immune system, or mixtures of different types of agents,?? he explains.
http://www.w3.org/ns/prov#wasQuotedFrom	umich.edu