graph grammar
alternative label: graph transformation system
alternative label: سامانه گشتار نگاره @fa
related: graph theory
broader: grammar
preferred label: دستور زبان نگاره @fa
type: Concept

graph theory
preferred label: نظریه گراف @fa
type: Concept
related: graph grammar

grammar
preferred label: دستور زبان @fa
type: Concept
narrower: graph grammar