=Paper=
{{Paper
|id=Vol-1169/CLEF2003wn-adhoc-DiNunzioEt2003
|storemode=property
|title=The University of Padova at CLEF 2003: Experiments to Evaluate Probabilistic Models for Automatic Stemmer Generation and Query Word Translation
|pdfUrl=https://ceur-ws.org/Vol-1169/CLEF2003wn-adhoc-DiNunzioEt2003.pdf
|volume=Vol-1169
|dblpUrl=https://dblp.org/rec/conf/clef/NunzioFMO03a
}}
==The University of Padova at CLEF 2003: Experiments to Evaluate Probabilistic Models for Automatic Stemmer Generation and Query Word Translation==
! ! "# # $ % ## & # &' ( ) # * "* ## # + * *# , ' ( # # $ * # # % "% # $ # " "* $ * *# $ $ # * - #' & * . $ # # ' / # *"# # # " "# $ # # # *# "* $ # ' ( * # *" ## * & ) " # & ' ( * "# # & # # % # ! 0 # ' 1 # # # &# # $ # * # # # ' ( $ # # * # * # ' / + ' '2 # * * *# $ # * ' ' * . $ # .' / & * *# ( # # ## 2 3 24 * *# ## " # " ' ( Æ& * # # % ' *# % # ' # (5 % *# # # &# '2'26 # * *# $ # * * '2'6 # # " # * *# $ " * '2'7' 0 % ## # * # 2 *# *8 ' # *8 Æ ' 9 ## *# %& Æ& # ' ( * *# $ %& Æ& ) * *# * * *# %& Æ&' ( # & #$# * *# *8 ' '' % 2' * *8 Stem + Derivation ML Word + Generic Generic Prefix Suffix ! 25 * *# $' # ## *# ' %& Æ& # * : ' ; : : 5 : * ## *# %& Æ& £ ; : : ; 5 : ## %& Æ& # ' ( : * ## 5 £ ¾ ¾ : & : & : & ¾ 2 * # < =# * * * : 2 ; # # ## > & - ' 9 # # & *" # * ## 5 %& #$# * # * Æ& #$# # ' ! # # 5 # % 6 *8 # ' 1 % %& Æ& 6 %& Æ& ' ? # ! # ## *# # # # * ! ' ! $ # # # * # * *# #' ( ## ability read ompiled ation comput er compil omputer c omputation ed ompilation accus ! 5 & # # # ' * *# * %& Æ& * *# * # * *# $' ( # # * & # * *# 5 : : ¾ ¾ : : ¾ ¾ 5 * *# %& %& * ' # # * *# Æ& Æ& * 6 # * *# %& Æ& ' @" 6 ## %& ## Æ&' ! 7 ( # * ## 5 Æ # * # $ # * # * %& Æ& ) ' # * # # # ' ( ## * *#5 : : 5 : : * Æ& 6 SPLIT Stemmer word (prefix, suffix) (stem, derivation) collection Prefix/Suffix collection Stem/Derivation Estimator Estimator word ! 75 9 ( # ' : : 5 : : * * %& 6 ( # # 5 : ¾ : ¾ : 2 * *#' # # ## # ) 2' # # # ' ) 2 # 5 ¾ & : ¾ & & ¾ 2 & ¾ 2 %& Æ& * *# * ) " * *# * * $ #" * # # ' ( * " * *# # * *#' # # " # # * # ' A ## # $ # # # %& * # # Æ& * ' / ! ## # # ## ' 9 ## * # 5 5 2 : B : B6 ! 5 : 2 : 76 0 5 2 : B : B6 # 5 : 2 : 76 5 2 : 7 : 7' / & # * . $ # . 374' . %" * # * * *# ' 9 * # * *#' . ## * * # * * # * # ' ( ## % . 5 * *# * # % # * *# * *# * #' ! " # . # # # # # $ * * * ) * #' ! ) # # * ) * # * .' ( . # ) * # # % # ' # ) # ' *# * *# * *# ' ( *# ## Æ # &5 @ * ' # . *# #$ ( # ) # * # *) # 5 %& Æ&' 9 # . A 5 % Æ *# # Æ&' ! " # * #5 # *# # " '' # 6 Æ&" " # ## * *# '' * # Æ&6 % # *# * '' * + * # Æ&' 9 # . # #%## ! B' stem−set split point suffix−set 11 00 00 11 00 11 00 11 111 000 000 111 000 111 000 111 00 11 11 00 00 11 11 00 00 11 00 11 00 11 00 11 00 11 11 00 00 11 = initial state 00 = final state 11 00 11 00 11 ! B5 . # # " Æ&"' 1 # . # *# # * # ) * # * .' 9 % * *# * ' ( # # " Æ&" ## ' #" Æ& ) # * * #" $ * $ Æ&' ! ( # % * # *# *# # % # ## *# ' C ## * *# . * ' ( ## * < "/# & " & - # ' 9 ( # # ## ) # $' ( #- # # # ## # *#' / . # # # ' ( * $ * # *# & ' * #" * *# # Æ& ' / # A $ # * # # > ' ( $ *# # * + Æ& # * + ' Æ& # ) * # * .' ( # # Æ&" * * * + # 5 " ## # % 6 & * *# 6 % # ' ( & # & # *# Æ&' 9 # # # " # * # * * + "- # " * *#' ( # # ' & # # Æ&" ! D & # Æ& # # # ' 111 000 000 111 000 111 000 111 11 00 00 11 a 000 111 00 11 111 000 00 11 000 111 000 111 000 111 000 111 111 000 000 111 000 111 000 111 111 000 000 111 000 111 000 111 000 111 000 111 111 000 000 111 000 111 000 111 b 11 00 00 11 00 11 00 11 00 11 000 111 111 000 000 111 000 111 111 000 000 111 000 111 000 111 000 111 000 111 111 000 000 111 000 111 000 111 c 000 111 111 000 000 111 111 000 00 111 11 11 00 000 111 000 000 111 000 111 000 111 000 111 000 111 000 111 00 11 00 111 11 000 000 000 111 111 000 111 111 000 000 111 = initial state 000 = final state 111 000 111 000 111 ! D5 ( # . * ' 9 % Æ&" # . * #" ' 0 #$# ) # Æ& ## * )# ' ! # ## Æ&" * *# # ) Æ&' ! & # Æ&" " ## * *# # # " ## # ) # # ' 1 # * ) ) # & * *# * # * *# ' $% / # # (1? # # + ' (1? +"# # " * # ' 9 (1? ) # #" ' . (1? 5 ! 5 $ ## # . % * ## *# (1? £ : & # 5 ¾ ( * # # *# # ## ' 5 # # (1? * *# * @ * " 5 £ : & * # ' 1 * *# £ #" # * * # Æ&"' 1 *"# # # # # +# $ & $ # * *# #$ * * + ## '2' ( * - ## ' ! * # *# /* * # ' / * # *# ' 1 * * ' * # * * ' ( ## *# - - ' ' # 0 EFGGH 7'EH ! HG2H 'HF 2DEHF 7'D # GHDG 7'H7 ! "# ## % ) ## $ & 8 ) ## $ )# A * A $ ' ( *# # )# ## # # ' ## # *# * # # ## * ' * # # * & # # & ' ( # * * & & * # ' 9 & # # * *# ' * * * # * # ' % # # * # % : : : : # * # * # ' / % & * # ' / & # & ' 1 * 2 # & + ' # # # # - : ' ( * *# # # % * & '' * *# & # &' ( * #- * # & * # * *# '' # 0 # # # % : : 9 ) ## & *# # ' ( * # # & # & # * ' ( * # & # & * # # * $ &' ( # # * & * # & # * * & ' ( ## # % 5 : : * *# # & * *# # &' ( * *# * $ # ) " # ' ( & # # * ' ( , # # # * # # &' ! " & + * & # ' 9 * 2DI I' C $ ' ( & "# # $ # + # ## # " * " # $ # 8 , * # ' ( * *# +# , ' # # = # # + ## * ) #' ! ! # # & # # ## =1? = # 1? * % ! * ## " ! 7' ( # # # *# + = '' ## # #" & ' A #" = # *# & ## ' *# 2'7 =2 #* " & #* # J ' =1? # # 8* * #* + ## ## #" = # #& # #- #& ' ! & # *# ## + & 6 * + # # * ' * ## /* ' # Æ #& J!#& 2'7'D #& J J ' ( #& *# ## ' # # ## * B'2'2' GUI IRON (Lucene 1.3 RC1) LAN WebIRON Tomcat 4.1 ! E5 9 =1?' 9 % E =1? # * + 5 # 0 0 # # =1? # * " # # ' ( ## J # * /* # ## /* =1?' /* =1? * ( B'2 /* $ =1? /* # - # ## = ## = & ' =1? /* =1? J * #"# 6 # ) = . & # ) / K * $ # ## ' & ' ( * > !7 & # ' J * #& # #- ' 9 #& #- "#$ ## ## $ #& ' ( $ % * # & * #' ## L#& , * ' # * ' ( # " #& * # ## 5 # ## + 6 # + # *# " # #& * + # # 6 # ## ) Æ #& # #$ !7 #& * ## A #& ## * # ' 1 % # 5 2' / #& # #- *# ! ## + # 6 ' $ #& # * *# - * # ## # #-6 7' $ #& Æ # ! ' 9 *# # - ## %# ## ' . ## & # %#5 ! "# $ ! "# $ %& ! "%& %'$ ( %'$ $&$"$&$ )%")% **+ ,-""** &.& ))' / 0 1 ( 2 0 / / &.& ! "# ! $ ! "# !$ . # $ % # 1 ! "# ) % 1?1 %& % # * & # * L0., ) ## ' # ) ## $ !7 5 5 9 ?. #5 0. 9 ! 5 9( 1? 0 5 != 0 9 # 5 90M 9(99 5 ! 9 *# % 5 #& *# - + ## # ##' / ) # & L , #& % *" *# # ## ! F' ## # * *# # #& # ## " * * #& & &' ( 0# ! % # # ## # * #$ (K( N(K( ## * & #' Dutch Glasgow Herald Algemeen GH Dagblad AD Glasgow nrc Herald NH handelsblad DocNo YYINITIAL Glasgow GH English LA Glasgow Herald Glasgow Herald Title Glasgow LosAngeles Herald Times Text ! F5 = 9 & # !9 !7' 9 # " #& 0# . # ## ' 1 # $ * Æ #& ' # J!#& #& ## &' / Æ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