Fuzziness In Database Management Systems

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Fuzziness In Database Management Systems

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Author : Patrick Bosc
language : en
Publisher: Physica
Release Date : 2013-11-27

Fuzziness In Database Management Systems written by Patrick Bosc and has been published by Physica this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-27 with Mathematics categories.

The volume "Fuzziness in Database Management Systems" is a highly informative, well-organized and up-to-date collection of contributions authored by many of the leading experts in its field. Among the contributors are the editors, Professors Patrick Bose and Janusz Kacprzyk, both of whom are known internationally. The book is like a movie with an all-star cast. The issue of fuzziness in database management systems has a long history. It begins in 1968 and 1971, when I spent my sabbatical leaves at the IBM Research Laboratory in San Jose, California, as a visiting scholar. During these periods I was associated with Dr. E.F. Codd, the father of relational models of database systems, and came in contact with the developers ofiBMs System Rand SQL. These associations and contacts at a time when the methodology of relational models of data was in its formative stages, made me aware of the basic importance of such models and the desirability of extending them to fuzzy database systems and fuzzy query languages. This perception was reflected in my 1973 ffiM report which led to the paper on the concept of a linguistic variable and later to the paper on the meaning representation language PRUF (Possibilistic Relational Universal Fuzzy). More directly related to database issues during that period were the theses of my students V. Tahani, J. Yang, A. Bolour, M. Shen and R. Sheng, and many subsequent reports by both graduate and undergraduate students at Berkeley.

Recent Issues On Fuzzy Databases

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Author : Gloria Bordogna
language : en
Publisher: Springer Science & Business Media
Release Date : 2000-09-14

Recent Issues On Fuzzy Databases written by Gloria Bordogna and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-09-14 with Computers categories.

First of all, I would like to congratulate Gabriella Pasi and Gloria Bordogna for the work they accomplished in preparing this new book in the series "Study in Fuzziness and Soft Computing". "Recent Issues on the Management of Fuzziness in Databases" is undoubtedly a token of their long-lasting and active involvement in the area of Fuzzy Information Retrieval and Fuzzy Database Systems. This book is really welcome in the area of fuzzy databases where they are not numerous although the first works at the crossroads of fuzzy sets and databases were initiated about twenty years ago by L. Zadeh. Only five books have been published since 1995, when the first volume dedicated to fuzzy databases published in the series "Study in Fuzziness and Soft Computing" edited by J. Kacprzyk and myself appeared. Going beyond books strictly speaking, let us also mention the existence of review papers that are part of a couple of handbooks related to fuzzy sets published since 1998. The area known as fuzzy databases covers a bunch of topics among which: -flexible queries addressed to regular databases, -the extension of the notion of a functional dependency, -data mining and fuzzy summarization, -querying databases containing imperfect attribute values represented thanks to possibility distributions.

Fuzzy Databases

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Author : Frederick E. Petry
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Fuzzy Databases written by Frederick E. Petry and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Mathematics categories.

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.

Fuzzy Theory Systems

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Author : Cornelius T. Leondes
language : en
Publisher:
Release Date : 1999

Fuzzy Theory Systems written by Cornelius T. Leondes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Automatic control categories.

Applications of fuzzy theory (often referred to as "fuzzy logic") are maturing and multiplying at a phenomenal rate, and a comprehensive treatment of these real-world techniques and applications is now very timely. Unlike traditional computer logic involving clear true or false decisions, a fuzzy logic system chooses what is most true after "considering" several contributing and possibly conflicting variables. Examples of practical devices using fuzzy computer decision-making are thermostats that respond to a combination of temperature and humidity (comfort factors), an elevator that considers how crowded a car is rather than just its proximity to the desired floor, and a camera that integrates the variables affecting picture quality. These volumes will present a logical progression from implementation and modeling techniques to industrial/commercial applications to fuzzy neural and adaptive fuzzy systems.

Fuzzy Database Modeling Of Imprecise And Uncertain Engineering Information

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Author : Zongmin Ma
language : en
Publisher: Springer
Release Date : 2008-09-12

Fuzzy Database Modeling Of Imprecise And Uncertain Engineering Information written by Zongmin Ma and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-09-12 with Technology & Engineering categories.

Computer-based information technologies have been extensively used to help industries manage their processes and information systems hereby - come their nervous center. More specially, databases are designed to s- port the data storage, processing, and retrieval activities related to data management in information systems. Database management systems p- vide efficient task support and database systems are the key to impleme- ing industrial data management. Industrial data management requires da- base technique support. Industrial applications, however, are typically data and knowledge intensive applications and have some unique character- tics that makes their management difficult. Besides, some new techniques such as Web, artificial intelligence, and etc. have been introduced into - dustrial applications. These unique characteristics and usage of new te- nologies have put many potential requirements on industrial data mana- ment, which challenge today’s database systems and promote their evolvement. Viewed from database technology, information modeling in databases can be identified at two levels: (conceptual) data modeling and (logical) database modeling. This results in conceptual (semantic) data model and logical database model. Generally a conceptual data model is designed and then the designed conceptual data model will be transformed into a chosen logical database schema. Database systems based on logical database model are used to build information systems for data mana- ment. Much attention has been directed at conceptual data modeling of - dustrial information systems. Product data models, for example, can be views as a class of semantic data models (i. e.

Database And Expert Systems Applications

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Author :
language : en
Publisher:
Release Date : 2005

Database And Expert Systems Applications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Database management categories.

1997 Ieee International Conference On Intelligent Processing Systems

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Author :
language : en
Publisher:
Release Date : 1997

1997 Ieee International Conference On Intelligent Processing Systems written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Artificial intelligence categories.

1999 Eusflat Estylf Joint Conference

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Author : Gaspar Mayor
language : en
Publisher:
Release Date : 1999

1999 Eusflat Estylf Joint Conference written by Gaspar Mayor and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Fuzzy logic categories.

Information Intelligence And Systems

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Author :
language : en
Publisher:
Release Date : 1996

Information Intelligence And Systems written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with categories.

Fuzzy Systems For Information Processing

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Author : Kiyoji Asai
language : en
Publisher: IOS Press
Release Date : 1995

Fuzzy Systems For Information Processing written by Kiyoji Asai and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Computers categories.

Fuzzy information processing is the basis of various applications of fuzzy theory, but it is difficult to sum it up in a single volume introduction, and no book of this sort has been published here or overseas. An introduction to fuzzy information processing is given, together with an orderly and systematic description of the concepts, significance, progress, methods, hardware, software and applications, such as databases, control, expert systems and fuzzy computers as well as ones that will be developed in the future.This book is an important contribution for engineers and researchers that are aiming for various applications of fuzzy theory, as well as students that are learning about it. 'The book contains a very good introduction into object oriented methodologies and good hints and notes on CASE tools.' - J. Kral (Brno) Zentrallblatt fur Mathematik und ihre Grenzgebiete, band 823/95