Computing universal models under guarded TGDs

    ICDT, pp. 222-235, 2012.

    Cited by: 10|Bibtex|Views3|Links
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    Keywords:
    database dbounded block sizeguarded tgdsuniversal modelcomputing universal modelMore(14+)

    Abstract:

    A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and complete information. Universal models have a number of applications including answering conjunctive queries, and deciding containment of conjunctive queries, with re...More

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