<http://webisa.webdatacommons.org/79721083>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<daringfireball.net> .
<http://webisa.webdatacommons.org/prov/340173113>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/79721083> .
<http://webisa.webdatacommons.org/79721083>	<http://www.w3.org/ns/prov#value>	"A common programming problem: identify the URLs in an arbitrary string of text, where by ???arbitrary??? let???s agree we mean something unstructured such as an email message or a tweet." .
<http://webisa.webdatacommons.org/prov/318939797>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/79721083> .
<http://webisa.webdatacommons.org/79721083>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .