About: astronomical observatory

Premodifier: astronomical
Head noun: observatory

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

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
mount wilson	isap:453000211	0.620158
stonehenge	isap:315255142	0.318209
tower	isap:207066468	0.274479