Class: PROIEL::Valency::Lexicon

Inherits:
Object
  • Object
show all
Defined in:
lib/proiel/valency/lexicon.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Lexicon

Returns a new instance of Lexicon.



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# File 'lib/proiel/valency/lexicon.rb', line 6

def initialize
  @source_ids = Set.new
  @source_languages = Set.new
  @frames = {}
end

Instance Attribute Details

#frames ⇒ Object (readonly)

Returns the value of attribute frames.



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# File 'lib/proiel/valency/lexicon.rb', line 4

def frames
  @frames
end

Instance Method Details

#add_source!(source) ⇒ Object

Generates a valency lexicon from the provided sources. In practice the sources should be in the same language but this is not enforced. This makes it possible to generate a lexicon from sources in closely related languages or dialects.



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# File 'lib/proiel/valency/lexicon.rb', line 16

def add_source!(source)
  @source_ids << source.id
  @source_languages << source.language

  source.sentences.each do |sentence|
    tokens = find_verbal_nodes(sentence)
    tokens.each do |token|
      frame = PROIEL::Valency::Arguments.get_argument_frame(token)

      partition =
        if token.dependents.any? { |d| d.relation == 'aux' and d.part_of_speech == 'Pk' }
          :r
        else
          :a
        end

      @frames[token.lemma] ||= {}
      @frames[token.lemma][token.part_of_speech] ||= {}
      @frames[token.lemma][token.part_of_speech][frame] ||= { a: [], r: [] }
      @frames[token.lemma][token.part_of_speech][frame][partition] << token.id
    end
  end
end

#lookup(lemma, part_of_speech) ⇒ Object 



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# File 'lib/proiel/valency/lexicon.rb', line 40

def lookup(lemma, part_of_speech)
  frames =
    @frames[lemma][part_of_speech].map do |arguments, token_ids|
      { arguments: arguments, tokens: token_ids }
    end
  PROIEL::Valency::Obliqueness.sort_frames(frames)
end