<http://webisa.webdatacommons.org/387454759>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/387454759>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<mathisfunforum.com> .
<http://webisa.webdatacommons.org/prov/472587924>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/387454759> .
<http://webisa.webdatacommons.org/387454759>	<http://www.w3.org/ns/prov#value>	"Vectors are not that hard to understand--they are just a major pain to work with.A vector is a quantity having both magnitude (meaning length) and direction." .