Uncertainty in Multi-Source Databases

• Main Author: Nair, Premchand S. (Author, http://id.loc.gov/vocabulary/relators/aut)
• Corporate Author: SpringerLink (Online service)
• Format: Electronic eBook
• Language: English
• Published: Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer, 2003.
• Edition: 1st ed. 2003.
• Series: Studies in Fuzziness and Soft Computing, 130
• Subjects: Data structures (Computer science).; Database management.; Artificial intelligence.; Information theory.; Computational complexity.; Operations research.; Decision making.; Data Structures and Information Theory.; Database Management.; Artificial Intelligence.; Information and Communication, Circuits.; Complexity.; Operations Research/Decision Theory.

Database and database systems have become an essential part of everyday life, such as in banking activities, online shopping, or reservations of airline tickets and hotels. These trends place more demands on the capabilities of future database systems, which need to evolve into decision making syste...

Table of Contents:

• 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.