In linguistics, phrase structure grammars are also known as constituency grammars, which are all those grammars that are based on the constituency relation, as opposed to the dependency relation associated with dependency grammars.
Phrase structure grammars are also known as constituency grammars. This was in linguistics. Constituency grammars are all those grammars. These all those grammars are based on the constituency relation, as opposed to the dependency relation. This dependency relation is associated with dependency grammars.