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The Penn Treebank: Annotating Predicate Argument Structure
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In: ftp://ftp.cis.upenn.edu/pub/treebank/doc/arpa94.ps.gz (1994)
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The Penn Treebank: Annotating Predicate Argument Structure
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In: ftp://ftp.ciril.fr/grace/pub1/upenn.treebank/arpa94.ps.gz (1994)
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Abstract:
The Penn Treebank has recently implemented a new syntactic annotation scheme, designed to highlight aspects of predicate-argument structure. This paper discusses the implementation of crucial aspects of this new annotation scheme. It incorporates a more consistent treatment of a wide range of grammatical phenomena, provides a set of coindexed null elements in what can be thought of as "underlying " position for phenomena such as wh-movement, passive, and the subjects of infinitival constructions, provides some non-context free annotational mechanism to allow the structure of discontinuous constituents to be easily recovered, and allows for a clear, concise tagging system for some semantic roles. 1. INTRODUCTION During the first phase of the The Penn Treebank project [?], ending in December 1992, 4.5 million words of text were tagged for part-of-speech, with about two-thirds of this material also annotated with a skeletal syntactic bracketing. All of this material has been hand correc.
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URL: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.53.3975
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Building a Large Annotated Corpus of English: The Penn Treebank
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In: http://acl.ldc.upenn.edu/J/J93/J93-2004.pdf (1993)
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Building a Large Annotated Corpus of English: The Penn Treebank
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