About: usb pen drive

Premodifier: usb pen
Head noun: drive

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

Broader concepts

label	provenance	confidence
removable media	isap:375896653	0.742279
usb device	isap:156235916	0.640212
storage device	isap:156236256	0.496836

Narrower concepts

label	provenance	confidence
storage	isap:33409893	0.180423