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nltk.parse.stanford.StanfordDependencyParser

class documentation

class StanfordDependencyParser(GenericStanfordParser): (source)

Constructor: StanfordDependencyParser(*args, **kwargs)

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>>> dep_parser=StanfordDependencyParser(
...     model_path="edu/stanford/nlp/models/lexparser/englishPCFG.ser.gz"
... )
>>> [parse.tree() for parse in dep_parser.raw_parse("The quick brown fox jumps over the lazy dog.")] # doctest: +NORMALIZE_WHITESPACE
[Tree('jumps', [Tree('fox', ['The', 'quick', 'brown']), Tree('dog', ['over', 'the', 'lazy'])])]

>>> [list(parse.triples()) for parse in dep_parser.raw_parse("The quick brown fox jumps over the lazy dog.")] # doctest: +NORMALIZE_WHITESPACE
[[((u'jumps', u'VBZ'), u'nsubj', (u'fox', u'NN')), ((u'fox', u'NN'), u'det', (u'The', u'DT')),
((u'fox', u'NN'), u'amod', (u'quick', u'JJ')), ((u'fox', u'NN'), u'amod', (u'brown', u'JJ')),
((u'jumps', u'VBZ'), u'nmod', (u'dog', u'NN')), ((u'dog', u'NN'), u'case', (u'over', u'IN')),
((u'dog', u'NN'), u'det', (u'the', u'DT')), ((u'dog', u'NN'), u'amod', (u'lazy', u'JJ'))]]

>>> sum([[parse.tree() for parse in dep_graphs] for dep_graphs in dep_parser.raw_parse_sents((
...     "The quick brown fox jumps over the lazy dog.",
...     "The quick grey wolf jumps over the lazy fox."
... ))], []) # doctest: +NORMALIZE_WHITESPACE
[Tree('jumps', [Tree('fox', ['The', 'quick', 'brown']), Tree('dog', ['over', 'the', 'lazy'])]),
Tree('jumps', [Tree('wolf', ['The', 'quick', 'grey']), Tree('fox', ['over', 'the', 'lazy'])])]

>>> sum([[parse.tree() for parse in dep_graphs] for dep_graphs in dep_parser.parse_sents((
...     "I 'm a dog".split(),
...     "This is my friends ' cat ( the tabby )".split(),
... ))], []) # doctest: +NORMALIZE_WHITESPACE
[Tree('dog', ['I', "'m", 'a']), Tree('cat', ['This', 'is', Tree('friends', ['my', "'"]), Tree('tabby', ['the'])])]

>>> sum([[list(parse.triples()) for parse in dep_graphs] for dep_graphs in dep_parser.tagged_parse_sents((
...     (
...         ("The", "DT"),
...         ("quick", "JJ"),
...         ("brown", "JJ"),
...         ("fox", "NN"),
...         ("jumped", "VBD"),
...         ("over", "IN"),
...         ("the", "DT"),
...         ("lazy", "JJ"),
...         ("dog", "NN"),
...         (".", "."),
...     ),
... ))],[]) # doctest: +NORMALIZE_WHITESPACE
[[((u'jumped', u'VBD'), u'nsubj', (u'fox', u'NN')), ((u'fox', u'NN'), u'det', (u'The', u'DT')),
((u'fox', u'NN'), u'amod', (u'quick', u'JJ')), ((u'fox', u'NN'), u'amod', (u'brown', u'JJ')),
((u'jumped', u'VBD'), u'nmod', (u'dog', u'NN')), ((u'dog', u'NN'), u'case', (u'over', u'IN')),
((u'dog', u'NN'), u'det', (u'the', u'DT')), ((u'dog', u'NN'), u'amod', (u'lazy', u'JJ'))]]

Method __init__ Undocumented
Method _make_tree Undocumented
Constant _OUTPUT_FORMAT Undocumented

Inherited from GenericStanfordParser:

Method parse_sents Use StanfordParser to parse multiple sentences. Takes multiple sentences as a list where each sentence is a list of words. Each sentence will be automatically tagged with this StanfordParser instance's tagger...
Method raw_parse Use StanfordParser to parse a sentence. Takes a sentence as a string; before parsing, it will be automatically tokenized and tagged by the Stanford Parser.
Method raw_parse_sents Use StanfordParser to parse multiple sentences. Takes multiple sentences as a list of strings. Each sentence will be automatically tokenized and tagged by the Stanford Parser.
Method tagged_parse Use StanfordParser to parse a sentence. Takes a sentence as a list of (word, tag) tuples; the sentence must have already been tokenized and tagged.
Method tagged_parse_sents Use StanfordParser to parse multiple sentences. Takes multiple sentences where each sentence is a list of (word, tag) tuples. The sentences must have already been tokenized and tagged.
Instance Variable corenlp_options Undocumented
Instance Variable java_options Undocumented
Instance Variable model_path Undocumented
Method _execute Undocumented
Method _parse_trees_output Undocumented
Constant _DOUBLE_SPACED_OUTPUT Undocumented
Constant _JAR Undocumented
Constant _MAIN_CLASS Undocumented
Constant _MODEL_JAR_PATTERN Undocumented
Constant _USE_STDIN Undocumented
Instance Variable _classpath Undocumented
Instance Variable _encoding Undocumented

Inherited from ParserI (via GenericStanfordParser):

Method grammar No summary
Method parse When possible this list is sorted from most likely to least likely.
Method parse_all No summary
Method parse_one No summary
def __init__(self, *args, **kwargs): (source)
overrides nltk.parse.stanford.GenericStanfordParser.__init__

Undocumented

def _make_tree(self, result): (source)

Undocumented

_OUTPUT_FORMAT: str = (source)

Undocumented

Value
'conll2007'