About: electronic key

Premodifier: electronic
Head noun: key

Same concepts
http://dbpedia.org/resource/Smart_key

Broader concepts

label	provenance	confidence
information	isap:111254419	0.504634
datum	isap:470778927	0.364536

Narrower concepts

label	provenance	confidence
unauthorized attempt	isap:511786536	0.651940
password	isap:349427256	0.298613
vehicle	isap:509323661	0.173572