Join synopses for approximate query answering
The Aqua approximate query answering system
Proceedings of the 1999 ACM SIGMOD international conference on Management of data - SIGMOD ’99
Swarup Acharya
Viswanath Poosala
Phillip B. Gibbons
Extended wavelets for multiple measures
An optimal algorithm for the distinct elements problem
Wavelet synopses for general error metrics