Premodifier: persian
Head noun: empire

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

Broader concepts

labelprovenanceconfidence
roman empireisap:3860751360.779111
empireisap:3860751330.689324
partisap:4920094070.404543
worldisap:1159895010.387751

Narrower concepts

labelprovenanceconfidence
achaemenid empireisap:3860751470.610570
iranisap:3112192610.300130