Takehisa Kato, Kohei Nasaka, Takumi Yamamoto, Masakatsu Nishigaki. A Study on a Practical Measure against Billing Frauds. In Leonard Barolli, Fatos Xhafa, Makoto Takizawa, editors, The 14th International Conference on Network-Based Information Systems, NBiS 2011, Tirana, Albania, September 7-9, 2011. pages 667-672, IEEE Computer Society, 2011. [doi]
Abstract is missing.