About: http://webisa.webdatacommons.org/320801389

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	code, such as operating-system kernels, libraries, database systems, and graphics
http://www.w3.org/ns/prov#wasQuotedFrom	acm.org