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#!/usr/bin/env ruby
require_relative 'hg'
semiring = ViterbiSemiring.new
hypergraph, nodes_by_id = HG::read_hypergraph_from_json('x.json', semiring, true)
path, score = HG::viterbi_path hypergraph, nodes_by_id[-1], semiring
s = HG::derive path, path.last.head, []
puts "#{s.map { |i| i.word }.join ' '}"
puts Math.log score
puts
#hypergraph.reset
#paths = HG::all_paths hypergraph, nodes_by_id[-1]
#paths.each { |p|
# s = HG::derive p, p.last.head, []
# puts "#{s.map { |i| i.word }.join ' '}"
#}
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