Hiroshi Sakamoto

with Arimura, H. , Arikawa, S. , 2002, Efficient data mining from large text databases, in S. Arikawa & A. Shinohara (eds.), Progress in discovery science, Dordrecht, Springer, pp. 123-139.

with Arimura, H. , Arikawa, S. , 2002a, Knowledge discovery from semistructured texts, in S. Arikawa & A. Shinohara (eds.), Progress in discovery science, Dordrecht, Springer, pp. 586-599.