Table of Contents
Approximate Query Answering System
Why do we need approximate (gasp!) answers?
But... are they meaningful?
Architecture
Key Features
A Problem with Joins
Solution: Join Synopses
Query Rewriting
Demo Specifics
Aqua Screen Shot
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Author: Acharya, Gibbons, Poosala, Ramaswamy
Email: {swarup,gibbons,poosala}@research.bell-labs.com
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