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Lexicon and Lexical Rules in HPSG Evgenia Ivanova eivanova@sfs.uni-tuebingen.de February 7, 2007
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Outline 2 types of lexical generalizations Basic Lexicon and its status Extending the Lexicon with MLR with DLR Open Questions References
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Lexical Generalizations Horizontal Generalizations Vertical Generalizations
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Horizontal Generalizations Lexical rules If there is a grammatical word described by D then the corresponding words E’ are also grammatical
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Horizontal Generalizations
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Lexical Generalizations Horizontal Generalizations Vertical Generalizations
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Lexical principles If a word is described by D, then it is also described by E
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Vertical Generalizations Complex vs type antecedents
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Vertical Generalizations Complex vs type antecedents
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Vertical Generalizations Complex vs type antecedents
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Vertical Generalizations Complex vs type antecedents
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Outline 2 types of lexical generalizations Basic Lexicon and its status Extending the Lexicon with MLR with DLR Open Questions References
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Basic Lexicon Lexicon external to the theory Lexicon internal to the theory
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Basic Lexicon - Lexicon external to the theory Extra set of descriptions of word objects G =
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Basic Lexicon - Lexicon internal to the theory Ordinary implicational constraint on word objects Word Principle word D 1 V D 2 V…V D n
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Outline 2 types of lexical generalizations Basic Lexicon and its status Extending the Lexicon with MLR with DLR Open Questions References
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Extending the Lexicon MLR – Meta-Level Lexical Rules (lexical entries) DLR – Description-Level Level Rules (word objects)
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Extending the Lexicon with MLR R = {r 1,…r n } (binary relations) B = {β 1 … β n } (base lexical entries) L: (full set of lexical entries) B<L for all λ in L and r in R such that r(λ,φ) in L
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Extending the Lexicon with DLR Binary relations between word objects Integration of lexical rules at the same level as the other grammatical constraints
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Extending the Lexicon with DLR Change the Signature
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Extending the Lexicon with DLR
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Outline 2 types of lexical generalizations Basic Lexicon and its status Extending the Lexicon with MLR with DLR Open Questions References
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Open Questions Distinguishing between lexical and structural information Status of the input of the lexical rule “Phantom” lexical entries
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References [Meurers, 2000] Lexical Generalizations in the Syntax of German Non-Finite Constructions. Phil. Dissertation, Eberhard-Karls-Universität Tübingen [p.103-135]
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