<http://webisa.webdatacommons.org/prov/500320300>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/276668407> .
<http://webisa.webdatacommons.org/276668407>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<crowdresearch.org> .
<http://webisa.webdatacommons.org/276668407>	<http://www.w3.org/ns/prov#value>	"The complexity of workflow design limits participation in crowdsourcing marketplaces to experts willing to invest substantial time and effort, and limits the kinds of tasks that can be crowdsour" .
<http://webisa.webdatacommons.org/276668407>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .