overlay functions
type: Concept
broader: location analytic functions
preferred label: توابع همپوشانی @fa

location analytic functions
type: Concept
broader: mathematical geography
narrower: overlay functions
preferred label: توابع تحلیل مکانی @fa

mathematical geography
type: Concept
narrower: location analytic functions
preferred label: جغرافیای ریاضی @fa