信息语言翻译技术.ppt

信息 语言 翻译技术 朱晓敏 Jacknj@ Reading online /reading.htm Good reading materials for students at different levels. Users can even listen to some materials. Speaking Online / English speaking made easy! Listening online Listening?samples of?English?speakers from around the world with transcripts and interactive quizzes. Writing Online I / “English Writing Online offers hundreds of interactive pages of English grammar, English writing and English pronunciation. We have hundreds of interactive readings, activities, quizzes and games. We also encourage you to participate in our online forums, opinion poll and chat room. We give you all this all for FREE.” Writing Online II / Welcome to the?Purdue OWL.?We offer over 200 free resources including: Writing and Teaching Writing Research Grammar and Mechanics Style Guides ESL (English as a Second Language) Job Search and Professional Writing Writing Online III .tw/ 「英文寫作學習網」是一個多元、多功能的學習網站，建置詳盡實用之寫作教材供學生自學使用。內容主要由余綺芳老師無償提供她整理製作之「英文作文」課程教材和批改學生文章，這些教材的所有權為余綺芳所有，任何侵權行為將依法追究。 翻译的背景和需求 欧盟（European Union） 每年需要翻译的各类材料达200-300万页，需要翻译的各类会议每年逾1.1万次。 巨大的需要促使人们在机器翻译上投入大量资金和人力。 对机器翻译质量的不满，迫使用户转向计算机辅助翻译。 计算机辅助翻译: 萌芽与繁荣 In 1970s, translation memory (翻译记忆) was proposed by someone. In 1980s, Kay and Alan Melby were considered as the forerunner of CAT. 计算机辅助翻译: 萌芽与繁荣 Suppose that the translators are provided with a terminal consisting of a keyboard, a screen, and some way of pointing at individual words and letters. The display on the screen is divided into two windows. The text to be translated appears in the upper window and the translation will be composed in the bottom one … Both windows behave in the same way. Using the pointing device, the translator can select a letter, word, sentence, line, or paragraph and, by pressing the appropriate key, cause some operation to be visited upon it. (Kay 1997:14) 这些功能后来都得以实现。 Melby 在1983年又提出了设计多层次的计算机辅助翻译系统的思想。 1. 翻译记忆系统 计算机辅助翻译的核心技术。“一种用语储存原文与对应译文的语言数据库”（Brown 2002:92） 工作原理：