tech,36-12-J05-1003,bq ranking tasks </term> , for example , <term> speech recognition </term> , <term> machine translation </term>
tech,39-12-J05-1003,bq , <term> speech recognition </term> , <term> machine translation </term> , or <term> natural language generation
measure(ment),6-8-J05-1003,bq <term> model </term> achieved 89.75 % <term> F-measure </term> , a 13 % relative decrease in <term>
other,23-7-J05-1003,bq evidence from an additional 500,000 <term> features </term> over <term> parse trees </term> that
other,10-4-J05-1003,bq approach </term> is that it allows a <term> tree </term> to be represented as an arbitrary
other,37-4-J05-1003,bq overlap and without the need to define a <term> derivation </term> or a <term> generative model </term>
tech,40-4-J05-1003,bq define a <term> derivation </term> or a <term> generative model </term> which takes these <term> features </term>
model,7-7-J05-1003,bq <term> log-likelihood </term> under a <term> baseline model </term> ( that of <term> Collins [ 1999 ] </term>
other,14-3-J05-1003,bq <term> ranking </term> , using additional <term> features </term> of the <term> tree </term> as evidence
tech,30-12-J05-1003,bq </term> which are naturally framed as <term> ranking tasks </term> , for example , <term> speech recognition
other,16-2-J05-1003,bq <term> sentence </term> , with associated <term> probabilities </term> that define an initial <term> ranking
tech,2-2-J05-1003,bq probabilistic parser </term> . The base <term> parser </term> produces a set of <term> candidate
tech,11-1-J05-1003,bq which rerank the output of an existing <term> probabilistic parser </term> . The base <term> parser </term> produces
measure(ment),14-8-J05-1003,bq </term> , a 13 % relative decrease in <term> F-measure </term> error over the <term> baseline model
other,20-5-J05-1003,bq ranking problems </term> described in <term> Freund et al. ( 1998 ) </term> . We apply the <term> boosting method
other,21-2-J05-1003,bq probabilities </term> that define an initial <term> ranking </term> of these <term> parses </term> . A second
other,10-3-J05-1003,bq attempts to improve upon this initial <term> ranking </term> , using additional <term> features </term>
other,12-2-J05-1003,bq candidate parses </term> for each input <term> sentence </term> , with associated <term> probabilities
tech,4-5-J05-1003,bq </term> into account . We introduce a new <term> method </term> for the <term> reranking task </term>
tech,6-9-J05-1003,bq The article also introduces a new <term> algorithm </term> for the <term> boosting approach </term>
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