Hong-Da Li Xiong Yang Dengguo Feng Bao Li Distributed Oblivious Function Evaluation and Its Applications. 942-947 2004 19 J. Comput. Sci. Technol. 6 http://jcst.ict.ac.cn/conc/conc46.html#paper26 db/journals/jcst/jcst19.html#LiYFL04