Uncertainty in Multi-Source Databases

by Premchand S. Nair

1 Ciset.- 1.1 Confidence Index.- 1.2 Confidence Index Set.- 1.3 Basic Operations.- 1.4 Relations.- 2 The Relational Model.- 2.1 Formalization of Relation.- 2.2 Integrity Constraints.- 2.3 The Relational Operators.- 3 The Ciset Relational Model.- 3.1 Formalization of Ciset Relation.- 3.2 Integrity Constraints.- 4 The Ciset Relational Algebra.- 4.1 Union, Intersection and Difference.- 4.2 Select and Project.- 4.3 Product and Join.- 4.4 Equi-join and Theta-join.- 4.5 Divide.- 5 Alternate Worlds.- 5.1 Introduction.- 5.2 Precision of Ciset Relational Operations.- 6 Additional Ciset Operations.- 6.1 Confidence Index Operations.- 6.2 Ciset Operations.- 6.3 C-relations.- 7 Information Source Tracking.- 7.1 The IST Model.- 7.2 Alternate Worlds.- 7.3 Extended Relational Algebra Operations.- 7.4 Probabilistic Approach.- References.- List of Figures.- List of Tables.

204 pages, Paperback

Published November 23, 2012