### Abstract

This paper develops a computational model of paraphrase under which text modification is carried out reluctantly; that is, there are external constraints, such as length or readability, on an otherwise ideal text, and modifications to the text are necessary to ensure conformance to these constraints. This problem is analogous to a mathematical optimisation problem: the textual constraints can be described as a set of constraint equations, and the requirement for minimal change to the text can be expressed as a function to be minimised; so techniques from this domain can be used to solve the problem.

The work is done as part of a computational paraphrase system using the XTAG system as a base. The paper will present a theoretical computational framework for working within the Reluctant Paraphrase paradigm: three types of textual constraints are specified, effects of paraphrase on text are described, and a model incorporating mathematical optimisation techniques is outlined.

The work is done as part of a computational paraphrase system using the XTAG system as a base. The paper will present a theoretical computational framework for working within the Reluctant Paraphrase paradigm: three types of textual constraints are specified, effects of paraphrase on text are described, and a model incorporating mathematical optimisation techniques is outlined.

Original language | English |
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Title of host publication | PACLING '97 |

Subtitle of host publication | proceedings of the conference of the Pacific Association for Computational Linguistics |

Place of Publication | Ohme, Japan |

Publisher | Pacific Association for Computational Linguistics |

Pages | 98-104 |

Number of pages | 7 |

Publication status | Published - 1997 |

Event | Conference of the Pacific Association for Computational Linguistics (5th : 1997) - Ohme, Japan Duration: 2 Sep 1997 → 5 Sep 1997 |

### Conference

Conference | Conference of the Pacific Association for Computational Linguistics (5th : 1997) |
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Country | Japan |

City | Ohme |

Period | 2/09/97 → 5/09/97 |

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## Cite this

Dras, M. (1997). Reluctant paraphrase: textual restructuring under an optimisation model. In

*PACLING '97: proceedings of the conference of the Pacific Association for Computational Linguistics*(pp. 98-104). Ohme, Japan: Pacific Association for Computational Linguistics.