About: spatial index

Premodifier: spatial
Head noun: index

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

Broader concepts

label	provenance	confidence
index	isap:366638897	0.554731
spatial datum	isap:365519895	0.477354
geometry	isap:295244404	0.238709

Narrower concepts

label	provenance	confidence
r-tree	isap:113900824	0.271085
kd-tree	isap:40043665	0.221849