rita.support.me
Class MaxEntTagger

java.lang.Object
  rita.RiObject
      rita.support.remote.RiRemotable
          rita.support.me.RiObjectME
              rita.support.me.MaxEntTagger

All Implemented Interfaces:

processing.core.PConstants, RiTaggerIF, RemoteConstants, RiConstants

public class MaxEntTagger
extends RiObjectME
implements RiTaggerIF

Simple pos-tagger for the RiTa libary using the Penn tagset

Based closely on the OpenNLP maximum entropy tagger.

For more info see: Berger & Della Pietra's paper 'A Maximum Entropy Approach to Natural Language Processing', which provides a good introduction to the maxent framework.

The full Penn tag set follows:

1. CC Coordinating conjunction
2. CD Cardinal number
3. DT Determiner
4. EX Existential there
5. FW Foreign word
6. IN Preposition/subord. conjunction
7. JJ Adjective
8. JJR Adjective, comparative
9. JJS Adjective, superlative
10. LS List item marker
11. MD Modal
12. NN Noun, singular or mass
13. NNS Noun, plural
14. NNP Proper noun, singular
15. NNPS Proper noun, plural
16. PDT Predeterminer
17. POS Possessive ending
18. PRP Personal pronoun
19. PRP$ Possessive pronoun
20. RB Adverb
21. RBR Adverb, comparative
22. RBS Adverb, superlative
23. RP Particle
24. SYM Symbol (mathematical or scientific)
25. TO to
26. UH Interjection
27. VB Verb, base form
28. VBD Verb, past tense
29. VBG Verb, gerund/present participle
30. VBN Verb, past participle
31. VBP Verb, non-3rd ps. sing. present
32. VBZ Verb, 3rd ps. sing. present
33. WDT wh-determiner
34. WP wh-pronoun
35. WP$ Possessive wh-pronoun
36. WRB wh-adverb
37. # Pound sign
38. $ Dollar sign
39. . Sentence-final punctuation
40. , Comma
41. : Colon, semi-colon
42. ( Left bracket character
43. ) Right bracket character
44. " Straight double quote
45. ` Left open single quote
46. " Left open double quote
47. ' Right close single quote
48. " Right close double quote
49. - Right close double quote

Field Summary

Fields inherited from class rita.support.me.RiObjectME

ERROR_MSG, LOAD_FROM_MODEL_DIR

Fields inherited from interface rita.support.remote.RemoteConstants

ARG_DELIM, ARR_DELIM, CHUNKER, DELIM, FS, LB, LP, MARKOV, PARSER, QQ, RB, RP, SPC, TAGGER, TYPE_DELIM

Fields inherited from interface rita.support.RiConstants

BEHAVIOR_COMPLETED, BOUNDING_BOX_ALPHA, BRILL_POS_TAGGER, EASE_IN, EASE_IN_CUBIC, EASE_IN_EXPO, EASE_IN_OUT, EASE_IN_OUT_CUBIC, EASE_IN_OUT_EXPO, EASE_IN_OUT_QUARTIC, EASE_IN_OUT_SINE, EASE_IN_QUARTIC, EASE_IN_SINE, EASE_OUT, EASE_OUT_CUBIC, EASE_OUT_EXPO, EASE_OUT_QUARTIC, EASE_OUT_SINE, ESS, FADE_COLOR, FADE_IN, FADE_OUT, FADE_TO_TEXT, FIRST_PERSON, FUTURE_TENSE, ID, LERP, LINEAR, MAXENT_POS_TAGGER, MINIM, MOVE, MUTABLE, PAST_TENSE, PHONEME_BOUNDARY, PHONEMES, PLING_STEMMER, PLURAL, PORTER_STEMMER, POS, PRESENT_TENSE, SCALE_TO, SECOND_PERSON, SENTENCE_BOUNDARY, SINGULAR, SONIA, SPEECH_COMPLETED, STRESSES, SYLLABLE_BOUNDARY, SYLLABLES, TEXT, TEXT_ENTERED, THIRD_PERSON, TIMER, TIMER_COMPLETED, TIMER_TICK, TOKENS, UNKNOWN, WORD_BOUNDARY

Fields inherited from interface processing.core.PConstants

A, AB, ADD, AG, ALPHA, ALPHA_MASK, ALT, AMBIENT, AR, ARC, ARGB, ARROW, B, BACKSPACE, BASELINE, BEEN_LIT, BEVEL, BLEND, BLUE_MASK, BLUR, BOTTOM, BOX, BURN, CENTER, CENTER_DIAMETER, CENTER_RADIUS, CHATTER, CLOSE, CMYK, CODED, COMPLAINT, CONTROL, CORNER, CORNERS, CROSS, CUSTOM, DA, DARKEST, DB, DEG_TO_RAD, DELETE, DG, DIAMETER, DIFFERENCE, DILATE, DIRECTIONAL, DISABLE_ACCURATE_TEXTURES, DISABLE_DEPTH_SORT, DISABLE_DEPTH_TEST, DISABLE_OPENGL_2X_SMOOTH, DISABLE_OPENGL_ERROR_REPORT, DODGE, DOWN, DR, DXF, EB, EDGE, EG, ELLIPSE, ENABLE_ACCURATE_TEXTURES, ENABLE_DEPTH_SORT, ENABLE_DEPTH_TEST, ENABLE_NATIVE_FONTS, ENABLE_OPENGL_2X_SMOOTH, ENABLE_OPENGL_4X_SMOOTH, ENABLE_OPENGL_ERROR_REPORT, ENTER, EPSILON, ER, ERODE, ERROR_BACKGROUND_IMAGE_FORMAT, ERROR_BACKGROUND_IMAGE_SIZE, ERROR_PUSHMATRIX_OVERFLOW, ERROR_PUSHMATRIX_UNDERFLOW, ERROR_TEXTFONT_NULL_PFONT, ESC, EXCLUSION, G, GIF, GRAY, GREEN_MASK, HALF_PI, HAND, HARD_LIGHT, HINT_COUNT, HSB, IMAGE, INVERT, JAVA2D, JPEG, LEFT, LIGHTEST, LINE, LINES, LINUX, MACOSX, MAX_FLOAT, MAX_INT, MIN_FLOAT, MIN_INT, MITER, MODEL, MULTIPLY, NORMAL, NORMALIZED, NX, NY, NZ, OPAQUE, OPEN, OPENGL, ORTHOGRAPHIC, OTHER, OVERLAY, P2D, P3D, PATH, PDF, PERSPECTIVE, PI, platformNames, POINT, POINTS, POLYGON, POSTERIZE, PROBLEM, PROJECT, QUAD, QUAD_STRIP, QUADS, QUARTER_PI, R, RAD_TO_DEG, RADIUS, RECT, RED_MASK, REPLACE, RETURN, RGB, RIGHT, ROUND, SA, SB, SCREEN, SG, SHAPE, SHIFT, SHINE, SOFT_LIGHT, SPB, SPG, SPHERE, SPOT, SPR, SQUARE, SR, SUBTRACT, SW, TAB, TARGA, THIRD_PI, THRESHOLD, TIFF, TOP, TRIANGLE, TRIANGLE_FAN, TRIANGLE_STRIP, TRIANGLES, TWO_PI, TX, TY, TZ, U, UP, V, VERTEX_FIELD_COUNT, VW, VX, VY, VZ, WAIT, WHITESPACE, WINDOWS, X, Y, Z

Constructor Summary

MaxEntTagger(processing.core.PApplet p)

Method Summary

static RiRemotable	createRemote(java.util.Map params)
void	destroy()
static MaxEntTagger	getInstance()
static MaxEntTagger	getInstance(processing.core.PApplet p)
boolean	isAdjective(java.lang.String pos) Returns true if word is an adjective.
boolean	isAdverb(java.lang.String pos) Returns true if word is an adverb.
boolean	isNoun(java.lang.String pos) Returns true if word is a noun.
boolean	isVerb(java.lang.String pos) Returns true if word is a verb.
static void	main(java.lang.String[] args)
java.util.List	tag(java.util.List tokens)
java.lang.String	tag(java.lang.String sentence)
java.lang.String[]	tag(java.lang.String[] tokens) Returns a String array of the most probably tags
java.lang.String[]	tagFile(java.lang.String fileName) Loads a file, splits the input into sentences and returns a String[] of the most probably tags.
java.lang.String	tagInline(java.lang.String toTag) Returns a String with pos-tags notated inline
java.lang.String	tagInline(java.lang.String[] tokens) Returns a String with pos-tags notated inline

Methods inherited from class rita.support.me.RiObjectME

getModelDir, setModelDir

Methods inherited from class rita.RiObject

dispose, getId, getPApplet, nextId

Methods inherited from class java.lang.Object

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

Constructor Detail

MaxEntTagger

public MaxEntTagger(processing.core.PApplet p)

Method Detail

getInstance

public static MaxEntTagger getInstance()

getInstance

public static MaxEntTagger getInstance(processing.core.PApplet p)

createRemote

public static RiRemotable createRemote(java.util.Map params)

tag

public java.util.List tag(java.util.List tokens)

tag

public java.lang.String tag(java.lang.String sentence)

tag

public java.lang.String[] tag(java.lang.String[] tokens)

Description copied from interface: RiTaggerIF

Returns a String array of the most probably tags

Specified by:

tag in interface RiTaggerIF

tagInline

public java.lang.String tagInline(java.lang.String[] tokens)

Description copied from interface: RiTaggerIF

Returns a String with pos-tags notated inline

Specified by:

tagInline in interface RiTaggerIF

tagInline

public java.lang.String tagInline(java.lang.String toTag)

Description copied from interface: RiTaggerIF

Returns a String with pos-tags notated inline

Specified by:

tagInline in interface RiTaggerIF

destroy

public void destroy()

Specified by:

destroy in class RiRemotable

isVerb

public boolean isVerb(java.lang.String pos)

Description copied from interface: RiTaggerIF

Returns true if word is a verb.

Specified by:

isVerb in interface RiTaggerIF

isNoun

public boolean isNoun(java.lang.String pos)

Description copied from interface: RiTaggerIF

Returns true if word is a noun.

Specified by:

isNoun in interface RiTaggerIF

isAdverb

public boolean isAdverb(java.lang.String pos)

Description copied from interface: RiTaggerIF

Returns true if word is an adverb.

Specified by:

isAdverb in interface RiTaggerIF

isAdjective

public boolean isAdjective(java.lang.String pos)

Description copied from interface: RiTaggerIF

Returns true if word is an adjective.

Specified by:

isAdjective in interface RiTaggerIF

tagFile

public java.lang.String[] tagFile(java.lang.String fileName)

Description copied from interface: RiTaggerIF

Loads a file, splits the input into sentences and returns a String[] of the most probably tags.

Specified by:

tagFile in interface RiTaggerIF

main

public static void main(java.lang.String[] args)