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Formal Systems for Tuple and Equality Generating Dependencies


Formal Systems for Tuple and Equality Generating Dependencies

Abstract. We develop several formal systems for tuple and equality generating dependencies. There are three kinds of systems, based upon substitution, tuple ...

Formal Systems for Tuple and Equality Generating Dependencies

PDF | We develop several formal systems for tuple and equality generating dependencies. There are three kinds of systems, based upon substitution, tuple.

Formal Systems for Tuple and Equality Generating Dependencies

We specialize our systems to several subclasses: total dependencies, template dependencies and binary dependencies. We also show that finding a formal system ...

Formal Systems for Tuple and Equality Generating Dependencies

We develop several formal systems for tuple and equality generating dependencies. There are three kinds of systems, based upon substitution, tuple elimination ...

Untitled - ResearchGate

GENERATING DEPENDENCIES*. C. BEERI+ and M. Y. VARDI†‡. Abstract. We develop several formal systems for tuple and equality generating dependencies. There are ...

Formal Systems for Tuple and Equality Generating Dependencies ...

We develop several formal systems for tuple and equality generating dependencies. There are three kinds of systems, based upon substitution, ...

Formal systems for join dependencies - ScienceDirect.com

We investigate whether a sound and complete formal system for join dependencies can be found. We present a system that is sound and complete for tuple ...

FORMAL SYSTEMS FOR JOIN DEPENDENCIES - CORE

finding a formal system for join dependencies; a formal system ... Beeri and M.Y. Vardi, Formal systems for tuple and equality generating dependencies, SIAM.

[PDF] Formal Systems for Join Dependencies | Semantic Scholar

This work develops several formal systems for tuple and equality generating dependencies and shows that finding a formal system for embedded multivalued ...

Baixeries, Jaume ; Kaytoue, Mehdi ; Napoli, Amedeo Characterizing ...

... generating dependencies. J. Comput. Syst. Sci. 59(1), 94-115 ... Beeri, C., Vardi, M.Y.: Formal systems for tuple and equality generating dependencies.

Embedded dependency - Wikipedia

... including both tuple-generating dependencies and equality-generating dependencies. Embedded dependencies can express functional dependencies, join dependencies ...

On the Language of Nested Tuple Generating Dependencies

Even though nested GLAV mappings have been used in data exchange systems, such as IBM's Clio, no systematic investigation of this class of schema mappings has ...

the theory of data dependencies - Rice University

tuple-generating dependencies and equality-generating dependencies, but. Page ... systems for FDs and MVDs led to decision procedures for these classes of ...

Reasoning on property graphs with graph generating dependencies

While most of previously proposed classes of graph data dependencies focus on generalizing equality-generating dependencies for graph data, Graph Generating ...

Multivalued dependency - Wikipedia

Therefore, a multivalued dependency is a special case of tuple-generating dependency. ... Formal definition. edit. The formal definition is as follows:.

Tuple-Generating Dependencies Capture Complex Values

One of the most advanced systems available is DLV-complex [10], a logic programming engine that is not intended for database use (and only available as a 32bit- ...

Untitled - Rice University Computer Science

on Database Systems 4(1979), pp. 30-59. [BBG] Beeri, C ... Beeri, C., Vardi, M.Y.: Formal system for tuple and equality generating dependencies.

A Proof Procedure for Data Dependencies | Journal of the ACM

Formal system for tuple and equality generating dependencies. SIAM J Comput 13 (1984), 76--98. ... BERNSTEIN, P. A. Synthesizing third normal form relauons from ...

A Top-Down Proof Procedure for Generalized Data Dependencies

Formal systems for tuple and equality generating dependencies. SIAM Journal on Computing, 13(1):76–98, 1984. [BV84b] Catriel Beeri and Moshe Y. Vardi. A ...

Schema Mappings and Data Exchange - HVL

Definition: A database integrity constraint is an embedded implicational dependency if it is either a tuple-generating dependency or an equality-generating ...