About: tungsten filament

Premodifier: tungsten
Head noun: filament

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

Broader concepts

label	provenance	confidence
metallic filament	isap:56796548	0.705720
light source	isap:478996776	0.612927
filament	isap:56796536	0.294724

Narrower concepts

label	provenance	confidence
source	isap:98835125	0.218035