NTCIR-3 CLIR Experiments at Osaka Kyoiku University —Comparison of Gram-based Indices—

Long gram-based indices are experimented at NTCIR-3 CLIR task . To make gram-based indices, no analyses such as morphological ones are required. Indices in three languages (i.e. Japanese, English and Chinese) are made at this task. They are quite different in some point. The difference of index overhead comes from the difference of character code for example