English-Chinese Information Retrieval at IBM

Abstract

Abstract : We describe TREC-9 experiments with an IR system that incorporates statistical machine translation trained on sentence-aligned parallel corpora for both query translation (English-to-Chinese) and document translation (Chinese-to-English). These systems are contrasted with monolingual Chinese retrieval and with query translation based on a widely available commercial machine translation package. These systems incorporate both words and characters as features for the retrieval. Comparisons with a baseline from TREC-5/6 enable our experiments to address issues related to the differences between Beijing and Hong Kong dialects.

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