About: http://webisa.webdatacommons.org/180348258

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	he is been developing software for more than 20 years, mainly in Ruby, Smalltalk, and C++.
http://www.w3.org/ns/prov#wasQuotedFrom	rubyconf.org