Table of ContentsOnline Aggregation Online Aggregation: Motivation A Better Approach Isn’t This Just Sampling? Grouping Requirements Fairness/Partiality Applications A Naïve Approach Random Access to Data Group By & Distinct Index Striding Join Algorithms Query Optimization Extended Aggregate Functions API Pacing Statistical Issues Initial Implementation Pacing study Access Methods, Big Group Access Methods, Small Group Future Work Future Work II Future Work III Summary |
Author: Joe Hellerstein
Email: jmh@cs.berkeley.edu Home Page: http://www.cs.berkeley.edu |