Fuzzy Databases

1. Front Matter

   Pages i-xiii

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2. Database Fundamentals

   • Frederick E. Petry

   Pages 1-30

3. Relational Databases and Fuzzy Sets Background

   • Frederick E. Petry

   Pages 31-61

4. Similarity-Based Models

   • Frederick E. Petry

   Pages 63-102

5. Possibility-Based Models

   • Frederick E. Petry

   Pages 103-143

6. Alternative Database Models and Approaches

   • Frederick E. Petry

   Pages 145-184

7. Commercial Applications

   • Frederick E. Petry

   Pages 185-221

8. Back Matter

   Pages 223-226

   PDF

This volume presents the results of approximately 15 years of work from researchers around the world on the use of fuzzy set theory to represent imprecision in databases. The maturity of the research in the discipline and the recent developments in commercial/industrial fuzzy databases provided an opportunity to produce this survey. In this introduction we will describe briefly how fuzzy databases fit into the overall design of database systems and then overview the organization of the text. FUZZY DATABASE LANDSCAPE The last five years have been witness to a revolution in the database research community. The dominant data models have changed and the consensus on what constitutes worthwhile research is in flux. Also, at this time, it is possible to gain a perspective on what has been accomplished in the area of fuzzy databases. Therefore, now is an opportune time to take stock of the past and establish a framework. A framework should assist in evaluating future research through a better understanding of the different aspects of imprecision that a database can model [ 1 l.

• Extension
• database
• fuzziness
• fuzzy
• fuzzy sets
• information
• information system
• modeling
• set theory

• Tulane University, USA

  Frederick E. Petry

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