Head noun: quadtree

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

Broader concepts

labelprovenanceconfidence
hierarchical datum structureisap:1858542530.383155
datum structureisap:1858542520.235152
treeisap:3779769540.234299
hierarchyisap:1841226180.214949

Narrower concepts

labelprovenanceconfidence