About: http://webisa.webdatacommons.org/291436937

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	Your problem is that by including Windows.h, you are also already including winsock.h.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com