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Berkeley at NTCIR-2: Chinese, Japanese, and English IR Experiments
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In: http://metadata.sims.berkeley.edu/GrantSupported/./papers/ntcir2001.pdf (2001)
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Abstract:
This paper reports on the work of Berkeley group at the second NTCIR workshop on Japanese & English IR and Chinese IR. A number of runs were submitted on all subtasks in the two main tasks. Our main focus on the Japanese monolingual subtask was on comparing the retrieval effectiveness of different segmentation methods. The experimental results show the bigram indexing outperformed the word-based indexing in Japanese monolingual retrieval. The bigram indexing was also highly effective in Chinese monolingual retrieval. This paper presents an alternative segmentation method that breaks text into onecharacter terms and two-character terms that do not overlap with each other, which overcomes the disadvantage of producing large index files by bigram indexing. This paper describes a technique for building bilingual word lexicons from parallel text by sentence alignment and word association. A purely rank-based document polling strategy is presented for combining monolingual retrieval results in multilingual retrieval. Keywords: Japanese IR, Chinese IR, Cross-language IR, word segmentation, word alignment 1
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URL: http://metadata.sims.berkeley.edu/GrantSupported/./papers/ntcir2001.pdf
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.21.2365
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English-Chinese Cross-Language IR using Bilingual Dictionaries
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In: http://metadata.sims.berkeley.edu/GrantSupported/./papers/trec9.pdf (2001)
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English-chinese cross-language ir using bilingual dictionaries
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In: http://trec.nist.gov/pubs/trec9/papers/trec9_berkeley.ps (2001)
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English-chinese cross-language ir using bilingual dictionaries
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In: http://ucdata.berkeley.edu/personal/fred/my-papers/trec9_berkeley.pdf (2001)
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English-chinese cross-language ir using bilingual dictionaries
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In: http://trec.nist.gov/pubs/trec9/papers/trec9_berkeley.pdf (2001)
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English-Chinese Cross-Language IR using Bilingual Dictionaries
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In: http://trec.nist.gov/pubs/trec9/./papers/trec9_berkeley.ps (2001)
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Automatic Construction of a Japanese-English Lexicon and its Application in Cross-Language Information Retrieval
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In: http://www.clis.umd.edu/conferences/midas/papers/chen.ps (1999)
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English-German Cross-Language Retrieval for the GIRT Collection - Exploiting a Multilingual Thesaurus
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In: http://trec.nist.gov/pubs/trec8/papers/Berkeley-GIRT-trec8.pdf (1999)
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English-German Cross-Language Retrieval for the GIRT Collection -- Exploiting a Multilingual Thesaurus
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In: http://trec.nist.gov/pubs/trec8/./papers/Berkeley-GIRT-trec8.ps (1999)
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Manual Queries and Machine Translation in Cross-language Retrieval and Interactive Retrieval with Cheshire II at TREC-7
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In: http://trec.nist.gov/pubs/trec7/papers/berkeley.trec7.ps (1998)
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Berkeley at NTCIR-2: Chinese, Japanese, and English IR Experiments
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In: http://research.nii.ac.jp/ntcir/workshop/OnlineProceedings2/ntcir2_berkeley.pdf
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Applying Text Categorization to Vocabulary Enhancement for Japanese-English Cross-Language Retrieval
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In: http://ucdata.berkeley.edu/personal/fred/my-papers/singapore.pdf
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Manual Queries and Machine Translation in Cross-language Retrieval and Interactive Retrieval
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In: http://trec.nist.gov/pubs/trec7/papers/berkeley.trec7.pdf.gz
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