<http://webisa.webdatacommons.org/prov/193934030>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/9576793> .
<http://webisa.webdatacommons.org/9576793>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<mathforum.org> .
<http://webisa.webdatacommons.org/9576793>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/9576793>	<http://www.w3.org/ns/prov#value>	"note that the ball follows a path which looks like the graph of" .