Estimating Aggregate Join Queries over Data Streams Using Discrete Cosine Transform.

Zhewei Jiang Cheng Luo Wen-Chi Hou Feng Yan Qiang Zhu Estimating Aggregate Join Queries over Data Streams Using Discrete Cosine Transform. 182-192 2006 conf/dexa/2006 DEXA http://dx.doi.org/10.1007/11827405_18 db/conf/dexa/dexa2006.html#JiangLHYZ06