Paper: Ordering Phrases with Function Words

ACL ID P07-1090
Title Ordering Phrases with Function Words
Venue Annual Meeting of the Association of Computational Linguistics
Session Main Conference
Year 2007

This paper presents a Function Word cen- tered, Syntax-based (FWS) solution to ad- dress phrase ordering in the context of statistical machine translation (SMT). Mo- tivated by the observation that function words often encode grammatical relation- ship among phrases within a sentence, we propose a probabilistic synchronous gram- mar to model the ordering of function words and their left and right arguments. We im- prove phrase ordering performance by lexi- calizingtheresultingrulesinasmallnumber of cases corresponding to function words. The experiments show that the FWS ap- proach consistently outperforms the base- line system in ordering function words’ ar- guments and improving translation quality in both perfect and noisy word alignment scenarios.