About: http://webisa.webdatacommons.org/2154981

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	You can find a good reference, domain of definitions and other information on the second volume of the books by Reed and Simon Methods of modern mathematical physics"(section on free quantum fields).
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com