About: http://webisa.webdatacommons.org/401627438

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	This second edition differs from the first edition mainly in that solutions to most of the exercises are included.
http://www.w3.org/ns/prov#wasQuotedFrom	upenn.edu