TAILIEUCHUNG - Báo cáo khoa học: "ROBUST PROCESSING IN MACHINE TRANSLATION"

It is not e n o u g h that a translation system produces superficially a c c e p t a b l e output for a wide class of inputs, it should aim to produce outputs which represent as nearly as possible translations of the inputs. If it cannot do this, then in some cases it will be better if it i n d i c a t e s as much, so that other action can be taken. F r o m the point of view we adopt, it is possible to regard MT and. | ROBUST PROCESSING IN MACHINE TRANSLATION Doug Arnold Centre for Cognitive Studies University of Essex Colchester C04 3SQ . Rod Johnson Centre for Computational Linguistics UMIST Manchester M60 8QD . ABSTRACT In this paper we provide an abstract characterisation of different kinds of robust processing in Machine Translation and Natural Language Processing systems In terms of the kinds of problem they are supposed to solve. We focus on one problem which is typically exacerbated by robust processing and for which we know of no existing solutions. We discuss two possible approaches to this emphasising the need to correct or repair processing malfunctions. ROBUST PROCESSING IN MACHINE TRANSLATION This paper Is an attempt to provide part of the basis for a general theory of robust processing in Machine Translation MT with relevance to other areas of Natural Language Processing NLP . That is processing which is resistant to malfunctioning however caused. The background to the paper is work on a general purpose fully automatic multi-lingual MT system within a highly decentralised organisational framework specifically the Eurotra system under development by the EEC . This influences US In a number of ways. Decentralised development and the fact that the system is to be general purpose motivate the formulation of a general theory which abstracts away from matters of purely local relevance and does not . depend on exploiting special properties of a particular subject field compare 7 . . The fact that we consider robustness at all can be seen as a result of the difficulty of MT and the alm of full automation Is reflected In our concentration on a theory of robust processing rather than developmental robustness . We will not be concerned here with problems that arise in designing systems so that they are capable of extension and repair . not being prone to unforseen ripple effects under modification . Developmental robustness is clearly essential and such .

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