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More About This Textbook
Overview
This volume offers the advice of selected expert contributors on the application of heterogeneous methods for managing uncertainty and imprecision in databases. It contains both survey chapters on classic topics such as "flexible querying in databases", and up to date information on "database models to represent imperfect data". Further, it includes specific contributions on uncertainty management in database integration, and in representing and querying semistructured and spatial data.
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Table of Contents
Database Models and Query Languages.- Flexible Query Languages for Relational Databases: An Overview.- Vacuity-Oriented Generalized Yes/No Queries Addressed to Possibilistic Databases.- On the Applicability of Extended Possibilistic Truth Values in Flexible Database Modelling and Querying.- Preference based Quality Assessment and Presentation of Query Results.- Modeling Fuzzy Information in the EER and Nested Relational Database Models.- Database Integration.- Querying Contradictory Databases by Taking into Account Their Reliability and Their Number.- Database Integrations in Distributed Enterprise Information Systems: A Database Model with Imprecise Information and Query Processing.- Integrating Data Doubtfully.- Semistructured Data Management.- An Overview of Imperfection Representation in Semistructured Data.- A Synopsis based Approach for XML Fast Approximate Querying.- Spatial Databases.- Maximum Entropy Inference for Geographical Information Systems.- Storage and Manipulation of Vague Spatial Objects Using Existing GIS Functionality.- Spatial SQL with Customizable Soft Selection Conditions.