<http://webisa.webdatacommons.org/prov/422578730>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/58010273> .
<http://webisa.webdatacommons.org/58010273>	<http://www.w3.org/ns/prov#value>	"Pigs were kept on farms merely as the source for pork, whilst other livestock such as cattle was also used as draft animals." .
<http://webisa.webdatacommons.org/58010273>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/58010273>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wikibooks.org> .