About: bl lac object

Premodifier: bl lac
Head noun: object

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

Broader concepts

label	provenance	confidence
active galaxy	isap:398929662	0.585348

Narrower concepts

label	provenance	confidence
oj 287	isap:107948458	0.318390
pks 2155-304	isap:210245580	0.290829