<http://webisa.webdatacommons.org/prov/204781912>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/381432533> .
<http://webisa.webdatacommons.org/381432533>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<slashdot.org> .
<http://webisa.webdatacommons.org/381432533>	<http://www.w3.org/ns/prov#value>	"by natehoy (1608657) writes: Most of these tracking units are calculating speed in near real time based on GPS readings every second or so, and are pretty accurate." .
<http://webisa.webdatacommons.org/381432533>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .