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Going Beyond AER: An Extensive Analysis of Word Alignments and Their Impact on MT
 

Summary: Going Beyond AER: An Extensive Analysis of Word Alignments and
Their Impact on MT
Necip Fazil Ayan and Bonnie J. Dorr
Institute of Advanced Computer Studies (UMIACS)
University of Maryland
College Park, MD 20742
{nfa,bonnie}@umiacs.umd.edu
Abstract
This paper presents an extensive evalua-
tion of five different alignments and in-
vestigates their impact on the correspond-
ing MT system output. We introduce
new measures for intrinsic evaluations and
examine the distribution of phrases and
untranslated words during decoding to
identify which characteristics of different
alignments affect translation. We show
that precision-oriented alignments yield
better MT output (translating more words
and using longer phrases) than recall-

  

Source: Ayan, Necip Fazil - Speech Technology & Research Laboratory , SRI International

 

Collections: Computer Technologies and Information Sciences