Examples of joshua.decoder.ff.tm.RuleCollection

joshua.decoder.ff.tm.RuleCollection
Represents a set of rules under a particular TrieGrammar node. Therefore, all the rules under a RuleCollection will share:
- arity
- source side
@author Zhifei Li @author Lane Schwartz @version $LastChangedDate: 2010-02-10 09:59:38 -0600 (Wed, 10 Feb 2010) $

          
          if (this.grammars[k].hasRuleForSpan(i, j, foreignSentenceLength)
            && null != this.dotcharts[k].getDotCell(i, j)) {
            
            for (DotNode dotNode: this.dotcharts[k].getDotCell(i, j).getDotNodes()) {
              RuleCollection ruleCollection = dotNode.getTrieNode().getRules();
              if (ruleCollection != null) { // have rules under this trienode
                // TODO: filter the rule according to LHS constraint                
                completeCell(i, j, dotNode, ruleCollection.getSortedRules(), ruleCollection.getArity(), dotNode.getSourcePath());                  
                
              }
            }
          }
        }

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    System.out.println("normConstant for a grammar is " + normConstant);
  }
  
  private void accumulatePosteriorCountInTrie(Trie trie) {
    if(trie.hasRules()){
      RuleCollection rlCollection = trie.getRules();
      for(Rule rl : rlCollection.getSortedRules()){
        //TODO: LHS specific
        normConstant += MonolingualGrammar.getRulePosteriorProb(rl);
      }
    }

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  private void normalizePosteriorCountInGrammar(Grammar grammar) {
    normalizePosteriorCountInTrie(grammar, grammar.getTrieRoot());
  }
  
  private void normalizePosteriorCountInTrie(Grammar grammar, Trie trie) {
    RuleCollection rlCollection = trie.getRules();
    if(trie.hasRules()){
      for(Rule rl : rlCollection.getSortedRules()){
        //TODO: LHS specific
        double oldVal = MonolingualGrammar.getRuleNormalizedCost(rl);
        
        //==add-lambda smoothing
        float smoothingConstant = 0.1f;

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Related Classes of joshua.decoder.ff.tm.RuleCollection

joshua.decoder.chart_parser.Chart

joshua.discriminative.monolingual_parser.EMDecoderFactory

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