is2.parserR2

Class Decoder

java.lang.Object

is2.parserR2.Decoder

public final class Decoder
extends Object

Author:

Bernd Bohnet, 01.09.2009 This methods do the actual work and they build the dependency trees.

Field Summary

Fields

Modifier and Type	Field and Description
static ExecutorService	executerService
static boolean	LAS
static float	NON_PROJECTIVITY_THRESHOLD Threshold for rearrange edges non-projective
static long	timeDecotder
static long	timeRearrange
static boolean	TRAINING

Method Summary

Methods

Modifier and Type	Method and Description
static List<ParseNBest>	decode(short[] pos, DataF x, boolean projective, Extractor extractor) Build a dependency tree based on the data
static int	getError(ParseNBest parse, Instances is, int i, boolean las)
static int	getGoldRank(List<ParseNBest> parses, Instances is, int i, boolean las)
static String	getInfo()
static int	getSmallestError(List<ParseNBest> parses, Instances is, int i, boolean las)
static List<ParseNBest>	rearrangeNBest(short[] pos, short[] heads, short[] labs, DataF x, Extractor extractor) This is the parallel non-projective edge re-arranger
static List<ParseNBest>	rearrangeNBestP(short[] pos, short[] heads, short[] labs, DataF x, Extractor extractor) This is the parallel non-projective edge re-arranger

Methods inherited from class java.lang.Object

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

Field Detail

TRAINING

public static final boolean TRAINING

See Also:

Constant Field Values

timeDecotder

public static long timeDecotder

timeRearrange

public static long timeRearrange

LAS

public static final boolean LAS

See Also:

Constant Field Values

NON_PROJECTIVITY_THRESHOLD

public static float NON_PROJECTIVITY_THRESHOLD

Threshold for rearrange edges non-projective

executerService

public static ExecutorService executerService

Method Detail

decode

public static List<ParseNBest> decode(short[] pos,
                      DataF x,
                      boolean projective,
                      Extractor extractor)
                               throws InterruptedException

Build a dependency tree based on the data

Parameters:

pos - part-of-speech tags

x - the data

projective - projective or non-projective

edges - the edges

Returns:

a parse tree

Throws:

InterruptedException

rearrangeNBestP

public static List<ParseNBest> rearrangeNBestP(short[] pos,
                               short[] heads,
                               short[] labs,
                               DataF x,
                               Extractor extractor)
                                        throws InterruptedException

This is the parallel non-projective edge re-arranger

Parameters:

pos - part-of-speech tags

heads - parent child relation

labs - edge labels

x - the data

edges - the existing edges defined by part-of-speech tags

Throws:

InterruptedException

rearrangeNBest

public static List<ParseNBest> rearrangeNBest(short[] pos,
                              short[] heads,
                              short[] labs,
                              DataF x,
                              Extractor extractor)
                                       throws InterruptedException

This is the parallel non-projective edge re-arranger

Parameters:

pos - part-of-speech tags

heads - parent child relation

labs - edge labels

x - the data

edges - the existing edges defined by part-of-speech tags

Throws:

InterruptedException

getInfo

public static String getInfo()

getGoldRank

public static int getGoldRank(List<ParseNBest> parses,
              Instances is,
              int i,
              boolean las)

Parameters:

parses -

is -

i -

Returns:

getSmallestError

public static int getSmallestError(List<ParseNBest> parses,
                   Instances is,
                   int i,
                   boolean las)

getError

public static int getError(ParseNBest parse,
           Instances is,
           int i,
           boolean las)