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Synthesizing view definitions from data

Published: 23 March 2010 Publication History

Abstract

Given a database instance and a corresponding view instance, we address the view definitions problem (VDP): Find the most succinct and accurate view definition, when the view query is restricted to a specific family of queries. We study the tradeoffs among succintness, level of approximation, and the family of queries through algorithms and complexity results. For each family of queries, we address three variants of the VDP: (1) Does there exist an exact view definition, and if so find it. (2) Find the best view definition, i.e., one as close to the input view instance as possible, and as succinct as possible. (3) Find an approximate view definition that satisfies an input approximation threshold, and is as succinct as possible.

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    ICDT '10: Proceedings of the 13th International Conference on Database Theory
    March 2010
    260 pages
    ISBN:9781605589473
    DOI:10.1145/1804669
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Published: 23 March 2010

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    Author Tags

    1. algorithms
    2. complexity
    3. query synthesis
    4. view definitions

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    EDBT/ICDT '10
    EDBT/ICDT '10: EDBT/ICDT '10 joint conference
    March 23 - 25, 2010
    Lausanne, Switzerland

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