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Canonical cover

A canonical cover for F (a set of functional dependencies on a relation scheme) is a set of dependencies such that F logically implies all… 
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Broader (1)

Database theory
Functional dependencyRelation (database)

Papers overview

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2015
2015
Optimal covers in the relational database model
The problem of finding an optimal cover which has possible fewest attributes is NP-complete. It is shown here that an optimal… 
2012
2012
COMPARING MANUAL AND AUTOMATIC NORMALIZATION TECHNIQUES FOR RELATIONAL DATABASE
Normalization is a process of analyzing the given relation schemas based on their Functional dependencies and primary keys to… 
2011
2011
Research on canonical cover in partial order temporal scheme
Existing effective design methods of temporal database with multiple time granularities are almost designed for totally-ordered… 
2009
2009
Mining Approximate Functional Dependencies from Databases Based on Minimal Cover and Equivalent Classes
Data Mining (DM) represents the process of extracting interesting and previously unknown knowledge from data. Approximate… 
2008
2008
Mining Functional Dependency from Relational Databases Using Equivalent Classes and Minimal Cover
Data Mining (DM) represents the process of extracting interesting and previously unknown knowledge from data. This study proposes… 
2008
2008
Use Closure of Relevant Sets of Attributes to Efficiently Find Candidate Keys
Based on canonical cover or minimum cover for functional dependency set F, a data structure MAC is constructed, which facilitates… 
2004
2004
Discussion about Algorithms of Canonical Cover
This article distinguishes the definitions and algorithms of two kinds of functional dependency-set. It also points out the… 
2004
2004
Computing unique canonical covers for simple FDs via transitive reduction
2001
2001
A short proof that hyperspaces of Peano continua are absolute retracts
. We give a short proof of Wojdyslawski’s famous theorem. 
2001
2001
On Morrison's cone conjecture for klt sufaces with numerical trivial canonical divisor
In this paper, we consider the normal projective complex surface X which has at most klt (=Kawamata log terminal singularities… 
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