About: http://webisa.webdatacommons.org/93793358

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 some categories, such as textbooks, digital books are growing rapidly.
http://www.w3.org/ns/prov#wasQuotedFrom	economist.com