Package opennlp.tools.chunker

Class ChunkSample

java.lang.Object

opennlp.tools.chunker.ChunkSample

All Implemented Interfaces:

Serializable

public class ChunkSample
extends Object
implements Serializable

Class for holding chunks for a single unit of text.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
ChunkSample(String[] sentence, String[] tags, String[] preds)	Initializes the current instance.
ChunkSample(List<String> sentence, List<String> tags, List<String> preds)	Initializes the current instance.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
Span[]	getPhrasesAsSpanList()	Gets the phrases as an array of spans
String[]	getPreds()	Gets the Chunk tags in B-* I-* notation
String[]	getSentence()	Gets the training sentence
String[]	getTags()	Gets the POS Tags for the sentence
int	hashCode()
String	nicePrint()	Creates a nice to read string for the phrases formatted as following: [NP Rockwell_NNP ] [VP said_VBD ] [NP the_DT agreement_NN ] [VP calls_VBZ ] [SBAR for_IN ] [NP it_PRP ] [VP to_TO supply_VB ] [NP 200_CD additional_JJ so-called_JJ shipsets_NNS ] [PP for_IN ] [NP the_DT planes_NNS ] ._.

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Details

ChunkSample

public ChunkSample(String[] sentence,
 String[] tags,
 String[] preds)

Initializes the current instance.

Parameters:

sentence - training sentence

tags - POS Tags for the sentence

preds - Chunk tags in B-* I-* notation

ChunkSample

public ChunkSample(List<String> sentence,
 List<String> tags,
 List<String> preds)

Initializes the current instance.

Parameters:

sentence - training sentence

tags - POS Tags for the sentence

preds - Chunk tags in B-* I-* notation

Method Details

getSentence

public String[] getSentence()

Gets the training sentence

getTags

public String[] getTags()

Gets the POS Tags for the sentence

getPreds

public String[] getPreds()

Gets the Chunk tags in B-* I-* notation

getPhrasesAsSpanList

public Span[] getPhrasesAsSpanList()

Gets the phrases as an array of spans

phrasesAsSpanList

public static Span[] phrasesAsSpanList(String[] aSentence,
 String[] aTags,
 String[] aPreds)

Static method to create arrays of spans of phrases

Parameters:

aSentence - training sentence

aTags - POS Tags for the sentence

aPreds - Chunk tags in B-* I-* notation

Returns:

the phrases as an array of spans

nicePrint

public String nicePrint()

Creates a nice to read string for the phrases formatted as following:
[NP Rockwell_NNP ] [VP said_VBD ] [NP the_DT agreement_NN ] [VP calls_VBZ ] [SBAR for_IN ] [NP it_PRP ] [VP to_TO supply_VB ] [NP 200_CD additional_JJ so-called_JJ shipsets_NNS ] [PP for_IN ] [NP the_DT planes_NNS ] ._.

Returns:

a nice to read string representation of the chunk phases

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object