Package nltk_lite :: Package contrib :: Package mit :: Package six863 :: Package parse :: Module featurechart :: Class FeatureEarleyChartParse
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Class FeatureEarleyChartParse

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        FeatureEarleyChartParse

A chart parser implementing the Earley parsing algorithm, allowing nonterminals that have features (known as Categories).

FeatureEarleyChartParse uses a lexicon to decide whether a leaf has a given part of speech. This lexicon is encoded as a dictionary that maps each word to a list of parts of speech that word can have. Unlike in the EarleyChartParse, this lexicon is case-insensitive.

Instance Methods [hide private]
 
__init__(self, grammar, lexicon, trace=0) source code
 
get_parse_list(self, tokens) source code