Cross-Lingual Information Retrieval (CLIR) Task at the NTCIR Workshop 3 Surugadai University Kazuaki Kishida Hanno 357-8555, Japan kishida@surugadai.ac.jp Hsin-Hsi Chen National Taiwan University Taipei 10617, Taiwan hh_chen@ccms.ntu.edu.tw Sung Hyon Myaeng Information and Communications University Daejeon 305-600, Korea myaeng@icu.ac.kr Kuang-hua Chen National Taiwan University Taipei 10617, Taiwan khchen@ntu.edu.tw Noriko Kando National Institute of Informatics (NII) Tokyo 101-8430, Japan kando@nii.ac.jp Koji Eguchi National Institute of Informatics (NII) Tokyo 101-8430, Japan eguchi@nii.ac.jp Sukhoon Lee Chungnam National University Taejon 305-764 Korea shlee@stat.cnu.ac.kr Kazuko Kuriyama Shirayuri College Chofu 182-8525, Japan kuriyama@shirayuri.ac.jp 1. Introduction The CLIR task at the NTCIR-3 Workshop aims to promote research efforts on cross-lingual text retrieval among three East Asian languages (Chinese, Japanese and Korean) and English. This is achieved through TREC-style IR experiments, in which large-scale document collections and search topics were prepared by organizers, and the search results submitted by participants were evaluated using the so-called pooling method. The third workshop started from October 2001, and the final workshop was held in October 2002 in Tokyo. In total, over 20 teams from eight countries (including Canada and USA) submitted final search results, and shared and discussed findings of the experiments. The overview of the task [Chen et al.
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