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<Paper uid="E83-1029">
  <Title>NATURAL LANGUAGE INPUT FOR SCENE GENERATION M</Title>
  <Section position="3" start_page="0" end_page="0" type="intro">
    <SectionTitle>
II SYNTACTIC ANALYZER
</SectionTitle>
    <Paragraph position="0"> The syntactic analysis is performed by means of a Procedural Systemic Grammar (PSG) (McCord,77).</Paragraph>
    <Paragraph position="1"> The main characteristics of the PSG parser is that the operation flow is highly structured, since different levels of the analysis are associated to the syntactic units of the sentence. Five processes can be activated (CLAUSE, COMPL.GR, NOUN.GR, ADJ.GR and VERB.GR) devoted to recognize respectively: (i) the sentences, (ii) the propositional phrases, comparatives, quantification and noun phrases, (iii) the components of the noun phrases, (iv) the adjectives and their modifiers, (v) the verb and its modifiers.</Paragraph>
    <Paragraph position="2"> Fig.l shows how these processes can interact in our parser: double arrows indicate message passing and Work supported by M.P.I. under grant 27430/81 single</Paragraph>
  </Section>
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