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<Paper uid="W05-0825">
  <Title>A Generalized Alignment-Free Phrase Extraction</Title>
  <Section position="1" start_page="0" end_page="0" type="abstr">
    <SectionTitle>
Abstract
</SectionTitle>
    <Paragraph position="0"> In this paper, we present a phrase extraction algorithm using a translation lexicon, a fertility model, and a simple distortion model. Except these models, we do not need explicit word alignments for phrase extraction. For each phrase pair (a block), a bilingual lexicon based score is computed to estimate the translation quality between the source and target phrase pairs; a fertility score is computed to estimate how good the lengths are matched between phrase pairs; a center distortion score is computed to estimate the relative position divergence between the phrase pairs. We presented the results and our experience in the shared tasks on FrenchEnglish. null</Paragraph>
  </Section>
class="xml-element"></Paper>