Mandarin-English Information (MEI): Investigating Translingual Speech Retrieval

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Mandarin-English Information (MEI): Investigating Translingual Speech Retrieval (2001)

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by Helen Meng , Berlin Chen , Sanjeev Khudanpur , Gina-Anne Levow , Wai-Kit Lo , Douglas Oard , Patrick Schone , Karen Tang , Hsin-min Wang , Jianqiang Wang

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@MISC{Meng01mandarin-englishinformation,
    author = {Helen Meng and Berlin Chen and Sanjeev Khudanpur and Gina-Anne Levow and Wai-Kit Lo and Douglas Oard and Patrick Schone and Karen Tang and Hsin-min Wang and Jianqiang Wang},
    title = {Mandarin-English Information (MEI): Investigating Translingual Speech Retrieval},
    year = {2001}
}

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Abstract

This paper describes the Mandarin-English Information (MEI) project, where we investigated the problem of cross-language spoken document retrieval (CL-SDR), and developed one of the first English-Chinese CL-SDR systems. Our system accepts an entire English news story (text) as query, and retrieves relevant Chinese broadcast news stories (audio) from the document collection. Hence this is a cross-language and cross-media retrieval task. We applied a multi-scale approach to our problem, which unifies the use of phrases, words and subwords in retrieval. The English queries are translated into Chinese by means of a dictionary-based approach, where we have integrated phrasebased translation with word-by-word translation. Untranslatable named entities are transliterated by a novel subword translation technique. The multi-scale approach can be divided into three subtasks -- multi-scale query formulation, multi-scale audio indexing (by speech recognition) and multi-scale retrieval. Experimental results demonstrate that the use of phrase-based translation and subword translation gave performance gains, and multi-scale retrieval outperforms word-based retrieval. Keywords Cross-language, spoken document retrieval, English-Chinese 1.

Keyphrases

mandarin-english information translingual speech retrieval multi-scale approach multi-scale retrieval speech recognition document collection word-based retrieval multi-scale audio indexing entire english news story english query phrasebased translation document retrieval keywords cross-language first english-chinese cl-sdr system cross-media retrieval task subword translation phrase-based translation novel subword translation technique spoken document retrieval word-by-word translation subtasks multi-scale query formulation dictionary-based approach performance gain relevant chinese broadcast news story experimental result

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