The Aqua approximate query answering system-Reference-Cited by-同舟云学术

The Aqua approximate query answering system

Published:1999-06 Issue:2 Volume:28 Page:574-576
ISSN:0163-5808
Container-title:ACM SIGMOD Record
language:en
Short-container-title:SIGMOD Rec.

Author:

Acharya Swarup¹,Gibbons Phillip B.¹,Poosala Viswanath¹,Ramaswamy Sridhar²

Affiliation:

1. Information Sciences Research Center, Bell Laboratories, 600 Mountain Avenue, Murray Hill, NJ

2. Epiphany Inc., 2300 Geng Road, Suite 200, Palo Alto, CA and Information Sciences Research Center, Bell Laboratories, 600 Mountain Avenue, Murray Hill, NJ

Abstract

Aqua is a system for providing fast, approximate answers to aggregate queries, which are very common in OLAP applications. It has been designed to run on top of any commercial relational DBMS. Aqua precomputes synopses (special statistical summaries) of the original data and stores them in the DBMS. It provides approximate answers along with quality guarantees by rewriting the queries to run on these synopses. Finally, Aqua keeps the synopses up-to-date as the database changes, using fast incremental maintenance techniques.

Publisher

Association for Computing Machinery (ACM)

Subject

Information Systems,Software

Link

https://dl.acm.org/doi/pdf/10.1145/304181.304581

Reference4 articles.

1. Join synopses for approximate query answering

2. Improved histograms for selectivity estimation of range predicates

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