Package TEES :: Package ExampleBuilders :: Package FeatureBuilders :: Module TriggerFeatureBuilder :: Class TriggerFeatureBuilder

Class TriggerFeatureBuilder

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FeatureBuilder.FeatureBuilder --+
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                               TriggerFeatureBuilder

Instance Methods

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__init__(self, featureSet, style=None)

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getMergedEntityType(self, entities)
If a single token belongs to multiple entities of different types, a new, composite type is defined.

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getTokenFeatures(self, token, sentenceGraph)
Returns a list of features based on the attributes of a token.

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buildLinearOrderFeatures(self, sentenceGraph, index, tag)
Linear features are built by marking token features with a tag that defines their relative position in the linear order.

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initSentence(self, sentenceGraph)
Build one example for each token of the sentence

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buildFeatures(self, token, linear=True, chains=True)

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buildAttachedEdgeFeatures(self, token, sentenceGraph)

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buildChains(self, token, sentenceGraph, depthLeft=3, chain='', visited=None) source code

Inherited from FeatureBuilder.FeatureBuilder: getEntityType, getPOSSuperType, getTokenAnnotatedType, normalizeFeatureVector, setFeature, setFeatureVector, setTag

Method Details

[hide private]

init(self, featureSet, style=None)
(Constructor)

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Parameters:

featureSet - feature ids

Overrides: FeatureBuilder.FeatureBuilder.__init__

(inherited documentation)

getMergedEntityType(self, entities)

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If a single token belongs to multiple entities of different types, a new, composite type is defined. This type is the alphabetically ordered types of these entities joined with '---'.

getTokenFeatures(self, token, sentenceGraph)

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Returns a list of features based on the attributes of a token. These can be used to define more complex features.

Parameters:

token - a word token
sentenceGraph - the sentence to which the token belongs

Overrides: FeatureBuilder.FeatureBuilder.getTokenFeatures

Class TriggerFeatureBuilder

__init__(self, featureSet, style=None) (Constructor)

getMergedEntityType(self, entities)

getTokenFeatures(self, token, sentenceGraph)

init(self, featureSet, style=None)
(Constructor)