<http://webisa.webdatacommons.org/prov/143366155>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/317297031> .
<http://webisa.webdatacommons.org/prov/309182104>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/317297031> .
<http://webisa.webdatacommons.org/317297031>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/317297031>	<http://www.w3.org/ns/prov#value>	"??? questions we need to ask: are these systems usable beyond alpha geeks? are these systems useful beyond a few types of tasks or categories or information?" .
<http://webisa.webdatacommons.org/317297031>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<tmarkiewicz.com> .
<http://webisa.webdatacommons.org/prov/479919826>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/317297031> .