At the NTCIR-4 workshop, Justsystem Corporation and Clairvoyance Corporation collaborated in participating in the Cross-Language Retrieval Task (CLIR). We submitted results to the sub-tracks of SLIR and BLIR. For the SLIR track, we submitted Chinese, English, and Japanese monolingual runs. For the BLIR track, we submitted Japanese-English and Chinese-English runs. The major goal of our participation is to evaluate performance and robustness of our recently developed commercialgrade CLIR systems for English, Japanese, and
['Yan Qu', 'Gregory Grefenstette', 'David A. Hull', 'David A. Evans', 'Toshiya Ueda', 'Tatsuo Kato', 'Daisuke Noda', 'Kousaku Arita', 'Tokushima-shi Tokushima']
Justsystem-Clairvoyance CLIR Experiments at NTCIR-4 Workshop