TAILIEUCHUNG - Báo cáo khoa học: "An Interactive Machine Translation System with Online Learning"

State-of-the-art Machine Translation (MT) systems are still far from being perfect. An alternative is the so-called Interactive Machine Translation (IMT) framework, where the knowledge of a human translator is combined with the MT system. We present a statistical IMT system able to learn from user feedback by means of the application of online learning techniques. These techniques allow the MT system to update the parameters of the underlying models in real time. | An Interactive Machine Translation System with Online Learning Daniel Ortiz-Martinez Luis A. Leiva Vicent Alabau Ismael Garcia-Varea Francisco Casacuberta ITI - Institut Tecnologic d Informatica Universitat Politecnica de Valencia t Departamento de Sistemas Informaticos Universidad de Castilla-La Mancha dortiz luileito valabau fcn @ Abstract State-of-the-art Machine Translation MT systems are still far from being perfect. An alternative is the so-called Interactive Machine Translation IMT framework where the knowledge of a human translator is combined with the MT system. We present a statistical IMT system able to learn from user feedback by means of the application of online learning techniques. These techniques allow the MT system to update the parameters of the underlying models in real time. According to empirical results our system outperforms the results of conventional IMT systems. To the best of our knowledge this online learning capability has never been provided by previous IMT systems. Our IMT system is implemented in C JavaScript and ActionScript and is publicly available on the Web. 1 Introduction The research in the field of machine translation MT aims to develop computer systems which are able to translate text or speech without human intervention. However current translation technology has not been able to deliver full automated high-quality translations. Typical solutions to improve the quality of the translations supplied by an MT system require manual post-editing. This serial process prevents the MT system from integrating the knowledge of the human translator. An alternative way to take advantage of the existing MT technologies is to use them in collaboration with human translators within a computer-assisted translation CAT or interactive framework Isabelle and Church 1997 . Interactivity in CAT has been explored for a long time. Systems have been designed to interact with linguists to solve ambiguities or update

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