<http://webisa.webdatacommons.org/169538274>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/362419107>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/169538274> .
<http://webisa.webdatacommons.org/169538274>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<qmul.ac.uk> .
<http://webisa.webdatacommons.org/169538274>	<http://www.w3.org/ns/prov#value>	"We invite researchers in signal processing, machine learning and other fields to participate in our challenge, which consists of a set of related tasks on" .