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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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Vertical Generalizations
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
![Page 10: Lexicon and Lexical Rules in HPSG Evgenia Ivanova eivanova@sfs.uni-tuebingen.de February 7, 2007](https://reader036.vdocuments.site/reader036/viewer/2022062422/56649efb5503460f94c0d6c5/html5/thumbnails/10.jpg)
Vertical Generalizations
Complex vs type antecedents
![Page 11: Lexicon and Lexical Rules in HPSG Evgenia Ivanova eivanova@sfs.uni-tuebingen.de February 7, 2007](https://reader036.vdocuments.site/reader036/viewer/2022062422/56649efb5503460f94c0d6c5/html5/thumbnails/11.jpg)
Vertical Generalizations
Complex vs type antecedents
![Page 12: Lexicon and Lexical Rules in HPSG Evgenia Ivanova eivanova@sfs.uni-tuebingen.de February 7, 2007](https://reader036.vdocuments.site/reader036/viewer/2022062422/56649efb5503460f94c0d6c5/html5/thumbnails/12.jpg)
Outline
2 types of lexical generalizations Basic Lexicon and its status Extending the Lexicon
with MLR
with DLR Open Questions References
![Page 13: Lexicon and Lexical Rules in HPSG Evgenia Ivanova eivanova@sfs.uni-tuebingen.de February 7, 2007](https://reader036.vdocuments.site/reader036/viewer/2022062422/56649efb5503460f94c0d6c5/html5/thumbnails/13.jpg)
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 = <Σ, Θ, L>
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Basic Lexicon - Lexicon internal to the theory
Ordinary implicational constraint on word objects
Word Principle
word D1 V D2 V…V Dn
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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
![Page 17: Lexicon and Lexical Rules in HPSG Evgenia Ivanova eivanova@sfs.uni-tuebingen.de February 7, 2007](https://reader036.vdocuments.site/reader036/viewer/2022062422/56649efb5503460f94c0d6c5/html5/thumbnails/17.jpg)
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 = {r1,…rn} (binary relations)
B = {β1… 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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Extending the Lexicon with DLR
![Page 23: Lexicon and Lexical Rules in HPSG Evgenia Ivanova eivanova@sfs.uni-tuebingen.de February 7, 2007](https://reader036.vdocuments.site/reader036/viewer/2022062422/56649efb5503460f94c0d6c5/html5/thumbnails/23.jpg)
Outline
2 types of lexical generalizations Basic Lexicon and its status Extending the Lexicon
with MLR
with DLR Open Questions References
![Page 24: Lexicon and Lexical Rules in HPSG Evgenia Ivanova eivanova@sfs.uni-tuebingen.de February 7, 2007](https://reader036.vdocuments.site/reader036/viewer/2022062422/56649efb5503460f94c0d6c5/html5/thumbnails/24.jpg)
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]