Package nltk :: Package chunk :: Module named_entity :: Class NEChunkParser

type NEChunkParser

       object --+        
                |        
parse.api.ParserI --+    
                    |    
     api.ChunkParserI --+
                        |
                       NEChunkParser

Expected input: list of pos-tagged words

Instance Methods

[hide private]

__init__(self, train)

source code

Tree

parse(self, tokens)
Each token should be a pos-tagged word

source code

_train(self, corpus)

source code

_tagged_to_parse(self, tagged_tokens)
Convert a list of tagged tokens to a chunk-parse tree.

source code

Inherited from api.ChunkParserI: evaluate

Inherited from parse.api.ParserI: batch_iter_parse, batch_nbest_parse, batch_parse, batch_prob_parse, grammar, iter_parse, nbest_parse, prob_parse

Deprecated

Inherited from parse.api.ParserI: batch_test, get_parse, get_parse_dict, get_parse_list, get_parse_prob

Static Methods

[hide private]

_parse_to_tagged(sent)
Convert a chunk-parse tree to a list of tagged tokens.

source code

Method Details

[hide private]

init(self, train)
(Constructor)

source code

Overrides: object.__init__: (inherited documentation)

parse(self, tokens)

source code

Each token should be a pos-tagged word

Parameters:

tokens - The list of (word, tag) tokens to be chunked.

Returns: Tree

the best chunk structure for the given tokens and return a tree.

Overrides: parse.api.ParserI.parse

type NEChunkParser

__init__(self, train) (Constructor)

parse(self, tokens)

init(self, train)
(Constructor)