<http://webisa.webdatacommons.org/26568614>	<http://www.w3.org/ns/prov#value>	"NBAA is soliciting speaking proposals by Feb. 28 for this year's Business Aviation Convention & Exhibition (NBAA2013), which will be held from Oct. 22 to 24 in Las Vegas, NV. Proposals must be educational in nature and include specific learning objectives, on topics such as safety and risk management, maintenance and technical issues, airspace and airport access, aircraft and flight operations, av" .
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