The incremental generation of passive sentences

  • Authors:
  • Bernd Abb;Michael Herweg;Kai Lebeth

  • Affiliations:
  • Universität Hamburg, Hamburg, Germany;Universität Hamburg, Hamburg, Germany;Universität Hamburg, Hamburg, Germany

  • Venue:
  • EACL '93 Proceedings of the sixth conference on European chapter of the Association for Computational Linguistics
  • Year:
  • 1993

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Abstract

This paper sketches some basic features of the SYNPHONICS account of the computational modelling of incremental language production with the example of the generation of passive sentences. The SYNPHONICS approach aims at linking psycholinguistic insights into the nature of the human natural language production process with well-established assumptions in theoretical and computational linguistics concerning the representation and processing of grammatical knowledge. We differentiate between two possible kinds of stimuli within the generation process that trigger the formation of passive sentences: a Formulator-external stimulus and a Formulator-internal one. The Formulator-external stimulus is determined by the conceptual/contextual condition of agent backgrounding: An agentless semantic representation is verbalized by way of constructing an ergativized verbal complex in the morphological structure-building component, rather than by mapping the semantic representation directly onto a passive lemma. The Formulator-internal stimulus is an effect of the constraints of rapid, incremental utterance production; in particular, it causes the Formulator to integrate a thematically underspecified increment in a prominent structural enviornment. In this case, the formation of passives is a matter of an additional constraint on the Lemma Selection process: Lemma Selection is constrained by the structural representation of the utterance produced so far.