Module dependencygraph

source code

Tools for reading and writing dependency trees. The input is assumed to be in Malt-TAB format.

Currently only reads the first tree in a file.

Classes

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DependencyGraph
A container for the nodes and labelled edges of a dependency structure.

Functions

[hide private]

XDigraph

nx_graph(self)
Convert the data in a nodelist into a networkx labeled directed graph. source code

demo()

source code

malt_demo(nx=False)
A demonstration of the result of reading a dependency version of the first sentence of the Penn Treebank.

source code

conll_demo()
A demonstration of how to read a string representation of a CoNLL format dependency tree.

source code

conll_file_demo()

source code

cycle_finding_demo()

source code

Variables

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treebank_data = 'Pierre NNP 2 NMOD\nVinken NNP ...

conll_data1 = '\n1 Ze ze Pron ...

conll_data2 = '1 Cathy Cathy N N...

Variables Details

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treebank_data

Value:

'''Pierre  NNP     2       NMOD
Vinken  NNP     8       SUB
,       ,       2       P
61      CD      5       NMOD
years   NNS     6       AMOD
old     JJ      2       NMOD
,       ,       2       P
will    MD      0       ROOT
...

conll_data1

Value:

'''
1   Ze                ze                Pron  Pron  per|3|evofmv|nom  
               2   su      _  _
2   had               heb               V     V     trans|ovt|1of2of3|
ev             0   ROOT    _  _
3   met               met               Prep  Prep  voor              
               8   mod     _  _
4   haar              haar              Pron  Pron  bez|3|ev|neut|attr
...

conll_data2

Value:

'''1   Cathy             Cathy             N     N     eigen|ev|neut  
                  2   su      _  _
2   zag               zie               V     V     trans|ovt|1of2of3|
ev             0   ROOT    _  _
3   hen               hen               Pron  Pron  per|3|mv|datofacc 
               2   obj1    _  _
4   wild              wild              Adj   Adj   attr|stell|onverv 
               5   mod     _  _
...