About: http://webisa.webdatacommons.org/228156234

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	In other words, the contents of abstract Register R1 is an Expression which references the Expressions held in the abstract Registers R0 and R2.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com