<http://webisa.webdatacommons.org/prov/258389988>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/43503021> .
<http://webisa.webdatacommons.org/43503021>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/43503021>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<openthesis.org> .
<http://webisa.webdatacommons.org/43503021>	<http://www.w3.org/ns/prov#value>	"issue by making simplifying assumptions such as a ???slowly varying speed???." .