Titlebook: Web Information Systems and Applications; 15th International C Xiaofeng Meng,Ruixuan Li,Gansen Zhao Conference proceedings 2018 Springer Na

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Xue Zhao,Ying Zhang,Wenya Guo,Xiaojie Yuannnual Seminar of the Canadian Mathematical Congress, which was held from August 12 to August 25, 1973 at the University of Western Ontario, London, Ontario. The Canadian Mathematical Congr~ss has held Biennual Seminars since 1947, and these have covered a wide range of topics. The Seminar reported i