demonstrates difficulty of providing good approximate answers to join queries. proposes join synopses as the efficient ... sum (nisi) = Total memory allocated ...
Weimin He, Leonidas Fegaras, David Levine. University of Texas at Arlington ... prolog[genre ~ 'Travel'] [keywords/keyword ~ 'bold' or 'stealth' ]//author/name. Q19 ...
Haar wavelet decomposition, conventional wavelet synopses. The problem. A First ... Runtimes. Memory Requirements. MinRelBias: Minimizing Normalized Bias ...
... aggregate queries based on statistical summaries of the full data, it is often ... has very few tuples, even when the actual join selectivity is fairly high. ...