About: http://webisa.webdatacommons.org/232157278

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Not all USB ports and hubs can honor that request, especially if you???re using an external hub that is powered by a USB port on the PC. When in doubt, use a heavy duty hub that is powered from an AC adapter.
http://www.w3.org/ns/prov#wasQuotedFrom	sparkfun.com