About: middle tier

Premodifier: middle
Head noun: tier

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

Broader concepts

label	provenance	confidence
bottom tier	isap:174520640	0.478950
cake	isap:176114118	0.339239
web server	isap:303325575	0.296247
problem	isap:3214110	0.148858

Narrower concepts

label	provenance	confidence
bottom tier	isap:174520610	0.607883
ii	isap:334446170	0.260583