Title
Exact Learning of Multivalued Dependencies.
Abstract
The transformation of a relational database schema into fourth normal form, which minimizes data redundancy, relies on the correct identification of multivalued dependencies. In this work, we study the learnability of multivalued dependency formulas MVDF, which correspond to the logical theory behind multivalued dependencies. As we explain, MVDF lies between propositional Horn and 2-Quasi-Horn. We prove that MVDF is polynomially learnable in Angluin et al.'s exact learning model with membership and equivalence queries, provided that counterexamples and membership queries are formulated as 2-Quasi-Horn clauses. As a consequence, we obtain that the subclass of 2-Quasi-Horn theories which are equivalent to MVDF is polynomially learnable.
Year
DOI
Venue
2015
10.1007/978-3-319-24486-0_5
ALT
Field
DocType
Volume
Discrete mathematics,Multivalued dependency,Fourth normal form,Computer science,Equivalence (measure theory),Data redundancy,Counterexample,Learnability,Dependency theory (database theory),Relational database schema
Conference
9355
ISSN
Citations 
PageRank 
0302-9743
0
0.34
References 
Authors
12
2
Name
Order
Citations
PageRank
Montserrat Hermo15510.77
Ana Ozaki2917.03