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<Paper uid="W01-0808">
  <Title>Construction of a Spanish Generation module in the framework of a General-Purpose, Multilingual Natural Language Processing System. In Proceedings of the VII</Title>
  <Section position="4" start_page="0" end_page="1" type="intro">
    <SectionTitle>
Tree
LF
</SectionTitle>
    <Paragraph position="0"> Figure 1 The LF is the final output of the analysis phase and the input to the transfer phase. Transfer extracts a set of mappings from the source-target language MindNet (Richardson, 2000), a translation knowledge database, and applies these mappings to the LF of the source sentence to produce a target LF. The translation MindNet for a language pair is a repository of aligned LFs and portions of LFs (produced by analyzing sentence-aligned corpora). An alignment of two LFs is a set of mappings between a node or set of nodes (and the relations between them) in the source LF and a node or set of nodes (and the relations between them) in the target LF (Menezes &amp; Richardson, 2001).</Paragraph>
    <Paragraph position="1"> In the translation process, the transfer component searches the alignments in the MindNet for those that match portions of the LF of the sentence being translated. Mappings with larger context are preferred to mappings with smaller context and higher frequency mappings are preferred to lower frequency mappings. The lemmas in any portion of the LF of the input sentence that do not participate in a mapping are mapped to a target lemma using a bilingual dictionary. The target LF fragments from the transfer mappings and dictionary mappings are stitched together to produce the target LF (Menezes &amp; Richardson, 2001). For our example in Figure 1, the transfer component produces the following target LFs for Spanish, Japanese, and Chinese (Figure 2).</Paragraph>
    <Paragraph position="2">  The transferred LF is the input to the generation component, which we will discuss in detail below.</Paragraph>
  </Section>
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