chunkercontextgenerator.java

来自「自然语言处理领域的一个开发包」· Java 代码 · 共 19 行

package opennlp.tools.chunker;

import opennlp.tools.util.BeamSearchContextGenerator;

/**
 * Interface for the context generator used in syntactic chunking.  
 */
public interface ChunkerContextGenerator extends BeamSearchContextGenerator {
  
  /**
   * Returns the contexts for chunking of the specified index.
   * @param i The index of the token in the specified toks array for which the context should be constructed. 
   * @param toks The tokens of the sentence.  The <code>toString</code> methods of these objects should return the token text.
   * @param tags The POS tags for the the specified tokens.
   * @param preds The previous decisions made in the taging of this sequence.  Only indices less than i will be examined.
   * @return An array of predictive contexts on which a model basis its decisions.
   */
  public String[] getContext(int i, Object[] toks, String[] tags, String[] preds);
}