<http://webisa.webdatacommons.org/233208992>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/233208992>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/472210591>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/233208992> .
<http://webisa.webdatacommons.org/233208992>	<http://www.w3.org/ns/prov#value>	"The ???shape constant??? or ???shape factor???, a, is an independent variable in the mathematical expression for a catenary curve." .