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Overview of Dependency Parser

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The implementation in cTAKES v1.1 is based on revision 75.

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Dependency parses often assume lemmas (normalized word forms) and POS tags as input. This cTAKES component infers lemmas and POS tags from upstream LVG and POS tagger components.

Overview of Semantic Role Labeler

The semantic role labeler assigns the predicate-argument structure of the sentence. (Who did what to whom when and where.) 

Analysis Engines and other Descriptors

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A directory of additional files for a ClearParser model. For example, "deprel.txt" contains the set of dependency labels; "pos.txt" contains the set of POS tags.

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When doing training within this project, the specified lexicon directory must first be created separately.

en_dict/

A directory used by the Clear Morphological Analyzer to create lemmas. This analyzer is an alternative to using LVG output from cTAKES. Descriptor files in the project are set up to use the Clear Morphological Analyzer if this valid location is passed as the "Morph Dictionary Directory" parameter to Analysis Engines.

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