摘要： 通过分析在线聚集与在线动态重排序技术,结合近似查询处理和国会抽样方法,提出了在线分组聚集方案,该方案具有广泛的应用前景。
关键词:
近似查询处理,
联机查询处理,
国会抽样,
置信区间
Abstract: The paper analyzes the techniques of online aggregation and online dynamic reordering, and processing of approximate query iscombined with congressional samples. A kind of online aggregation framework with dynamic Group-by is given, which has wide applicationforeground.
中图分类号:
冯玉才,张鹏程. 基于近似查询的在线分组聚集及其应用[J]. , 2005, 31(16): 107-109.
FENG Yucai, ZHANG Pengcheng. Approximate Query Based Online Aggregation with Group-by and Application[J]. , 2005, 31(16): 107-109.