Computing universal models under guarded TGDs
ICDT, pp. 222-235, 2012.
database dbounded block sizeguarded tgdsuniversal modelcomputing universal modelMore(14+)
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
PPT (Upload PPT)