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A Freely Available Wide Coverage Morphological Analyzer for English ...
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An Alternative Conception of Tree-Adjoining Derivation
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Abstract:
The precise formulation of derivation for tree-adjoining grammars has important ramifications for a wide variety of uses of the formalism, from syntactic analysis to semantic interpretation and statistical language modeling. We argue that the definition of tree-adjoining derivation must be reformulated in order to manifest the proper linguistic dependencies in derivations. The particular proposal is both precisely characterizable through a definition of TAG derivations as equivalence classes of ordered derivation trees, and computationally operational, by virtue of a compilation to linear indexed grammars together with an efficient algorithm for recognition and parsing according to the compiled grammar. ; Engineering and Applied Sciences ; Accepted Manuscript
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URL: http://nrs.harvard.edu/urn-3:HUL.InstRepos:2032469
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