About: http://webisa.webdatacommons.org/16440729

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	By 1990 the GNU project, which had been started in 1983 by Richard Stallman, had produced and collected all the libraries, compilers, text editors, shells and other software necessary to make a free operating system???except a kernel.
http://www.w3.org/ns/prov#wasQuotedFrom	freesoftwaremagazine.com