with Masaki, H. , Matsumoto, K. , 2011, Cicro: an interactive visual interface for crowd communication online, in A. Ant Ozok & P. Zaphiris (eds.), Online communities and social computing, Dordrecht, Springer, pp. 251-260.
with Takai, Y. , Matsumoto, K. , 2011, Effects of a synchronized scoring interface on musical quality, in A. Ant Ozok & P. Zaphiris (eds.), Online communities and social computing, Dordrecht, Springer, pp. 363-372.
with Yongpisanpop, P. , Matsumoto, K. , 2011a, Community search: a collaborative searching web application with a user Ranking system, in A. Ant Ozok & P. Zaphiris (eds.), Online communities and social computing, Dordrecht, Springer, pp. 378-386.