ABL: Alignment-Based Learning (2000)
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BibTeX
@MISC{Zaanen00abl:alignment-based,
author = {Menno van Zaanen},
title = {ABL: Alignment-Based Learning},
year = {2000}
}
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Abstract
This pal)or int;roduces a new type of grammar learning algorit;hm, insl)ircd l)y sl,ring edii, dis- tan(;c (Wagner an(t Fis(:hcr, 1974). The algorithm takes a (:oft)us of fiat senl,en(:cs as intml, and rcLurns a corpus of labelled, 1)ra(:keted senl, en(:es. Th( lnel,hod works on pairs of Lured sellt,ellCeS l,ha[, have oBe o1: illore words in (:ommon. When t, wo sentences are (tivi(led int,o t)arLs i;haL m'e Lhc same in 1)ol, h s(mLen(:es and t)arLs that m:e (litlrenL, this interreal,ion is used to find ])m'Ls l, haL are hd;cr(:hmgeablc. These t)arLs m'e tak(m as possible (:onsLii, uenLs same type. Afi,er this aligmnent learning step, the sele(:tion learning s(,c 1) s(l(z(:l,s i,he mosL at)le (:onsl;ihmnl;s fi'om all possible (:onsLiLuent,s. This method was used 1,o booLsLra t) stru(:hrc on the A.TIS (:oftres (Mm'(:us et, al., 1993) and on the OVI'S 1 corpus (Bornmina eL al., 1997). While Lhc results are en(:om'aging (we o})l, aincd up t,o 89.25 % non-crossing l)ra(:ket,s 1)rc(:ision), this paper will 1)oini; ouL some of the shorl,COlnings of our apl)rom:h and will suggest 1)ossible sohd,ions.
