| R. M. Kaplan and J. Bresnan. Lexical-function grammar: A formal system for grammatical representation. In J. Bresnan, editor, Mental Representation of Grammatical Relations, pages 173--381, Cambridge, MA, 1982. MIT Press. |
....of AKL created at the Swedish Institute of Computer Science, SICS. A feature tree is a tree whose edges are labeled with unique names called features and which nodes are labeled with symbols called sorts. Feature trees were first used in the late seventies in so called unification grammars [KB82, Kay79]. These later turned into many declarative grammar formalisms for the description and processing of natural language. Feature descriptions provide a logical version of records, a data structure found in many languages. Feature trees also provide for a useful exension to the Herbrand constraint ....
R. M. Kaplan and J. Bresnan. Lexical-function grammar: A formal system for grammatical representation. In J. Bresnan, editor, Mental Representation of Grammatical Relations, pages 173--381, Cambridge, MA, 1982. MIT Press.
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