Package banner.tagging.dictionary

Class DictionaryTagger

java.lang.Object

banner.tagging.dictionary.DictionaryTagger

All Implemented Interfaces:

Tagger

Direct Known Subclasses:

UMLSMetathesaurusDictionaryTagger

public class DictionaryTagger
extends Object
implements Tagger

This class represents a very simple dictionary-based tagger. All text subsequences which match an entry will be tagged, without regard to the context.

Author:

Bob

Field Summary

Fields

Modifier and Type	Field	Description
protected Trie<String,Set<EntityType>>	entities
protected Trie<String,Boolean>	notInclude

Constructor Summary

Constructors

Constructor	Description
DictionaryTagger()	Creates a new DictionaryTagger

Method Summary

Modifier and Type	Method	Description
void	add(String text, EntityType type)	Adds a single entry to the dictionary.
void	add(String text, Collection<EntityType> types)
boolean	add(List<String> tokens, Collection<EntityType> types)
void	configure(org.apache.commons.configuration.HierarchicalConfiguration config, Tokenizer tokenizer)
Tokenizer	getTokenizer()
boolean	isDropEndParentheticals()
boolean	isFilterContainedMentions()
boolean	isGenerate2PartVariations()
boolean	isNormalizeDigits()
boolean	isNormalizeMixedCase()
void	load(org.apache.commons.configuration.HierarchicalConfiguration config)
protected List<String>	process(String input)
void	setDropEndParentheticals(boolean dropEndParentheticals)
void	setFilterContainedMentions(boolean filterContainedMentions)
void	setGenerate2PartVariations(boolean generate2PartVariations)
void	setNormalizeDigits(boolean normalizeDigits)
void	setNormalizeMixedCase(boolean normalizeMixedCase)
void	setTokenizer(Tokenizer tokenizer)
int	size()
void	suppress(String text)
void	tag(Sentence sentence)	Add Mentions to the Sentence.
protected String	transform(String str)

Methods inherited from class java.lang.Object

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

Field Detail

entities

protected Trie<String,Set<EntityType>> entities

notInclude

protected Trie<String,Boolean> notInclude

Constructor Detail

DictionaryTagger

public DictionaryTagger()

Creates a new DictionaryTagger

Method Detail

configure

public void configure(org.apache.commons.configuration.HierarchicalConfiguration config,
                      Tokenizer tokenizer)

load

public void load(org.apache.commons.configuration.HierarchicalConfiguration config)
          throws IOException

Throws:

IOException

process

protected List<String> process(String input)

transform

protected String transform(String str)

add

public void add(String text,
                EntityType type)

Adds a single entry to the dictionary. The text is processed by the tokenizer and the resulting tokens are stored.

Parameters:

text - The text to find

type - The EntityType to tag the text with

add

public void add(String text,
                Collection<EntityType> types)

add

public boolean add(List<String> tokens,
                   Collection<EntityType> types)

tag

public void tag(Sentence sentence)

Description copied from interface: Tagger

Add Mentions to the Sentence. The Sentence must have been tokenized previously.

Specified by:

tag in interface Tagger

Parameters:

sentence - The sentence to which Mentions should be added

suppress

public void suppress(String text)

size

public int size()

Returns:

The number of entries in this dictionary

getTokenizer

public Tokenizer getTokenizer()

setTokenizer

public void setTokenizer(Tokenizer tokenizer)

isFilterContainedMentions

public boolean isFilterContainedMentions()

setFilterContainedMentions

public void setFilterContainedMentions(boolean filterContainedMentions)

isNormalizeMixedCase

public boolean isNormalizeMixedCase()

setNormalizeMixedCase

public void setNormalizeMixedCase(boolean normalizeMixedCase)

isNormalizeDigits

public boolean isNormalizeDigits()

setNormalizeDigits

public void setNormalizeDigits(boolean normalizeDigits)

isGenerate2PartVariations

public boolean isGenerate2PartVariations()

setGenerate2PartVariations

public void setGenerate2PartVariations(boolean generate2PartVariations)

isDropEndParentheticals

public boolean isDropEndParentheticals()

setDropEndParentheticals

public void setDropEndParentheticals(boolean dropEndParentheticals)