机译:改进了查询结果缓存的缓存策略和混合策略
School of Computer Science and Technology, Harbin Institute of Technology, Harbin 150001, P.R.China;
School of Computer Science and Technology, Harbin Institute of Technology, Harbin 150001, P.R.China;
School of Computer Science and Technology, Harbin Institute of Technology, Harbin 150001, P.R.China;