<http://webisa.webdatacommons.org/218112524>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<slashdot.org> .
<http://webisa.webdatacommons.org/218112524>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/369815893>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/218112524> .
<http://webisa.webdatacommons.org/218112524>	<http://www.w3.org/ns/prov#value>	"by tomhudson (43916) writes: ... but keeping track is a hard thing to do." .