EDBT
2009
ACM
14 years 6 months ago
2009
ACM
Existing hierarchical summarization techniques fail to provide synopses good in terms of relative-error metrics. This paper introduces multiplicative synopses: a summarization par...
KDD
2005
ACM
14 years 12 months ago
2005
ACM
We consider the wavelet synopsis construction problem for data streams where given n numbers we wish to estimate the data by constructing a synopsis, whose size, say B is much sma...