University of geneva  TAGGER Overview 

Susan Armstrong, Pierrette Bouillon, Gilbert Robert 
ISSCO, University of Geneva,Switzerland

ISSCO University of geneva 

Introduction
Design Priciples
Overview of POS tagging
The tagging modules
Text Preparation
Preparing the conversion files
Training phase
Tagging phase
Evaluation
References

Introduction

 

Design Principles

   

Overview of POS Tagging

   
 

The Tagging Modules

 

Text Preparation

 
 
2\1 La BOS la\Noun[gen=m num=s]|le\Pron[gen=f num=s per=3]|le\Det[gen=f num=s]
2\5 Commission commission\Noun[gen=f num=s]
2\9 peut pouvoir\Verb[mode=ind tns=pres num=s per=3]
2\20 -elle elle\Pron[gen=f num=s per=3]
2\23 : =\COLON
2\24 1 =\M
2\25 ) =\CPARENTH
2\26 indiquer =\Verb[mode=inf tns=pres]
2\33 le  =\Pron[gen=m num=s per=3]|=\Det[gen=m num=s]
2\40 nombre =\Noun[gen=m num=s]
2\42 d' un\Det[gen=m!f num=pl]|de\Prep[form=surface]
2\44 agents agent\Noun[gen=m num=pl]
2\50 temporaires temporaire\Adj[gen=m num=pl]|temporaire\Adj[gen=f num=pl]
2\63 travaillant travailler\Verb[mode=part tns=pres]
2\73 dans dan\Noun[gen=m num=pl]|=\Prep[form=surface]
2\78 ses son\Det[gen=m!f num=pl per=3]
2\81 services EOS service\Noun[gen=m num=pl]
 
   
 
Can BOS can/N[num=m gen=n]|can/|can/V[tns=pres type=m!v]
the =/Det[typ=def]
Commission =/N[typ=p1!p2]
say =/V[vfm=bse typ=v]
: =/COLON
1. =/ENUM
how =/Adv[deg=pos wh=q]
many =/Det[typ=gen num=pl]|=/Pro[typ=gen per=3 num=pl gen=n]
temporary =/A[deg=pos]
officials official/N[num=pl typ=c gen=m!f]
are be/V[tns=pres num=sg per=2 typ=a]|be/V[tns=pres num=pl typ=a]
working work/V[vfm=prp typ=v]
at =/Adp[pos=pre]
the  =/Adp[pos=pre]
commission EOS =/N[typ=p1!p2]
 
 
   
 
 
Frequent French Tag Ambiguities Frequent English Tag Ambiguities
2032 DET-PL:DET-SG:PREP-DE 531 NN1:VVB
1133 DET-SG:NOUN-SG:PRON  384 NN2:VVZ
717 DET-PL:PREP-DE 334 PRP:TO0
670 DET-SG:PRON 373 AJ0:NN1
579 DET-PL:PRON 285 VVD:VVN
501 ADJ-SG:NOUN-SG 162 AV0:PRP
456 NOUN-SG:VERB-P1P2:VERB-P3SG 135 DT0:PNI
379 ADJ-PL:NOUN-PL 131 CJS:PRP
376 DET-SG:NUM:PRON 127 ART:ZZ0
 

Preparing the conversion files

       
Tag Conversion File
 
Adj[gen=f num=pl] ADJ-Pl 
Adj[gen=f num=s] ADJ-SG
Adj[gen=m num=s] ADJ-SG
Adj[gen=m num=pl] ADJ-PL
Adj[gen=m!f num=s] ADJ-SG
Adj[gen=m!f num=s!pl] ADJ-INV
 
Word Conversion File
 
ne  =/NEG
n'  =/NEG
comme =/COMME
que =/COMME
qu' =/CONJQUE
de de/PREP-DE:de/DET-SG:de/DET-PL
d'  de/PREP-DE:de/DET-SG:de/DET-PL
 
 
The text after applying the conversions.
 
La BOS  le\DET-SG:la\NOUN-SG:le\PRON
Commission commission\NOUN-SG
peut pouvoir\VERB-P3SG
-elle elle\PRON
: =\COLON
1 =\M
) =\CPARENTH
indiquer =\VERB-INF
le =\DET-SG:=\PRON
nombre =\NOUN-SG
d' de\PREP-DE:de\DET-SG:de\DET-PL
agents agent\NOUN-PL
temporaires temporaire\ADJ-PL
travaillant travailler\PAP-SG
dans dan\NOUN-PL:dans\PREP
ses son\DET-PL
services EOS service\NOUN-PL
 
   
 

Training  Phase

   
                              P (Si;Tj) =1\n .m
   
 
DET-SG VERB-P1P2 =0
VERB-P3SG =0
VERB-P3PL =0
NOUN-SG  +3
ADJ-SG +3
DET-PL VERB-P1P2 =0
VERB-P3PL =0
VERB-P3SG =0
NOUN-PL +3
ADJ-PL +3
!PI DET-SG +5
DET-PL +5
 
   
 

Tagging Phase

         
 

Evaluation

   
 
 
 
 


References