org.apache.uima.examples.tagger
Class Viterbi

java.lang.Object
  org.apache.uima.examples.tagger.Viterbi

public class Viterbi
extends java.lang.Object

Viterbi Algorithm: Given a model and a sequence of observations, what is the most likely sequence of states in the model that produces the observations?

Constructor Summary

Viterbi()

Method Summary

static java.util.Map<java.lang.String,java.util.List>

init_probs(java.util.Map<java.lang.String,java.lang.Double> pos_s)

static java.util.List

process(int N, java.util.List<java.lang.String> sentence, java.util.Map<java.lang.String,java.util.Map<java.lang.String,java.lang.Double>> suffix_tree, java.util.Map<java.lang.String,java.util.Map<java.lang.String,java.lang.Double>> suffix_tree_cap, java.util.Map<NGram,java.lang.Double> transition_probs, java.util.Map<java.lang.String,java.util.Map<java.lang.String,java.lang.Double>> word_probs, double[] lambdas2, double[] lambdas3, double theta)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Viterbi

public Viterbi()

Method Detail

init_probs

public static java.util.Map<java.lang.String,java.util.List> init_probs(java.util.Map<java.lang.String,java.lang.Double> pos_s)

process

public static java.util.List process(int N,
                                     java.util.List<java.lang.String> sentence,
                                     java.util.Map<java.lang.String,java.util.Map<java.lang.String,java.lang.Double>> suffix_tree,
                                     java.util.Map<java.lang.String,java.util.Map<java.lang.String,java.lang.Double>> suffix_tree_cap,
                                     java.util.Map<NGram,java.lang.Double> transition_probs,
                                     java.util.Map<java.lang.String,java.util.Map<java.lang.String,java.lang.Double>> word_probs,
                                     double[] lambdas2,
                                     double[] lambdas3,
                                     double theta)

Parameters:

N -

sentence -

suffix_tree -

suffix_tree_cap -

transition_probs -

word_probs -

lambdas2 -

lambdas3 -

theta -

Returns:

the viterbi path