About: http://webisa.webdatacommons.org/329901086

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 the ensuing two years, obstacles surfaced, including cases where instructors had customized their courses so much that the original e-texts were no longer relevant.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com