Fuzzy logic in data modeling: semantics, constraints, and database design
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Boston [u.a.]
Kluwer
1998
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| Schriftenreihe: | The Kluwer international series on advances in database systems
15 |
| Schlagworte: | |
| Online-Zugang: | Table of contents Inhaltsverzeichnis |
| Beschreibung: | XIV, 224 S. graph. Darst. |
| ISBN: | 0792382536 |
Internformat
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Datensatz im Suchindex
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| adam_text | FUZZY LOGIC IN DATA MODELING SEMANTICS, CONSTRAINTS, AND DATABASE DESIGN
GUOQING CHEN SCHOOL OF ECONOMICS AND MANAGEMENT TSINGHUA UNIVERSITY
BEIJING, CHINA KLUWER ACADEMIC PUBLISHERS BOSTON / DORDRECHT / LONDON
TABLE OF CONTENTS V TABLE OF CONTENTS PREFACE XIII ACKNOWLEDGEMENTS RV
PART I BASIC CONCEPTS 1 CHAPTER 1 THE RELATIONAL DATA MODEL 3 1.1. THE
RELATIONAL MODEL CONCEPTS 3 1.1.1. RELATIONS AND THE UNDERLYING
ASSUMPTIONS 3 1.1.2. DATA CONSTRAINTS 6 1.2. THE RELATIONAL ALGEBRA 9
1.3. RELATIONAL DATABASE DESIGN 12 REFERENCES 17 CHAPTER 2 CONCEPTUAL
MODELING WITH THE ENTITY-RELATIONSHIP MODEL 19 2.1. ER DIAGRAMMATIC
NOTATIONS 19 2.2. THE ER MODEL CONCEPTS 22 2.2.1. ENTITIES 22 2.2.2.
ATTRIBUTES 22 2.2.3. RELATIONSHIPS 25 2.3. ENHANCED ER (EER) MODEL
CONCEPTS 27 REFERENCES 33 CHAPTER3 FUZZYLOGIC 35 3.1. UNCERTAINTY AND
IMPRECISION 35 3.2. FUZZY SETS AND POSSIBILITY DISTRIBUTIONS 37 3.2.1.
SUPPORT, KERNEL, A-CUT, HEIGHT AND PLINTH OF A FUZZY SET 40 3.2.2. SOME
MAX-MIN OPERATIONS ON FUZZY SETS 40 3.2.3. ZADEH S EXTENSION PRINCIPLE
42 3.2.4. FUZZY IMPLICATION OPERATORS 43 3.3. LINGUISTIC VARIABLE 45
3.4. CLOSENESS MEASURES BETWEEN FUZZY SETS 49 3.5. FUZZY RELATIONS 53
REFERENCES 57 PART II FUZZY CONCEPTUAL MODELING 59 VI TABLE OF CONTENTS
CHAPTER4 FUZZY ER CONCEPTS 61 4.1. LEVELS OF CONCEPTS 61 4.2. FUZZY
ENTITIES, RELATIONSHIPS AND ATTRIBUTES 64 4.3. RELATIONSHIPS AND
CONSTRAINTS 69 4.4. FUZZY ER MANIPULATION 75 REFERENCES 76 CHAPTER 5
FUZZY EER CONCEPTS 79 5.1. FUZZY SUBCLASS AND SUPERCLASS 79 5.2.
SPECIALIZATION AND GENERALIZATION WITH FUZZINESS 81 5.3. FUZZY SHARED
SUBCLASS AND CATEGORY 87 5.4 INHERITANCE OF RELATIONSHIPS AND ATTRIBUTES
90 REFERENCES 92 PART M REPRESENTATION OF FUZZY DATA AND CONSTRAINTS 95
CHAPTER 6 FUZZY DATA REPRESENTATION 97 6.1. DATA REPRESENTATION
FRAMEWORKS 98 6.1.1. THE FUZZY-RELATION-BASED FRAMEWORK 98 6.1.2. THE
SIMILARITY-BASED FRAMEWORK 99 6.1.3. THE POSSIBILITY-BASED FRAMEWORK 100
6.1.4. THE EXTENDED POSSIBILITY-BASED FRAMEWORK 100 6.2. FUZZY DATA
CLOSENESS AND REDUNDANCY 102 6.2.1. THE PROBLEM 102 6.2.2. SOME EXISTING
TREATMENTS 103 6.3. THE CVK TREATMENT 108 6.3.1. THE KS TREATMENT OF
TUPLE EQUALITY 109 6.3.2. THE EXTENSION TO THE KS TREATMENT 110 6.3.3.
MORE DISCUSSIONS ON THE CVK TREATMENT 113 REFERENCES 117 CHAPTER 7 FUZZY
FUNCTIONAL DEPENDENCIES (FFDS) AS INTEGRITY CONSTRAINTS 119 7.1. A
GENERAL FORM OF FFDS 120 7.2. FFD INFERENCE RULES 122 7.3. FUZZY
IMPLICATION OPERATORS VERSUS THE PROPERTIES CI, C 2 , C3 124 7.4.
SEMANTICS REPRESENTED BY SPECIFIC FORMS OF FFDS.; 127 7.5. EXTENDED KEYS
AND INTEGRITY RULES 130 REFERENCES 134 TABLE OF CONTENTS VII CHAPTER 8 A
FFD INFERENCE SYSTEM 135 8.1. INFERENCE RULES IN THE FFD AXIOMATIC
SYSTEM 136 8.2. TRANSITIVE CLOSURE AND A COMPUTATIONAL ALGORITHM 138
8.3. SOUNDNESS AND COMPLETENESS OF THE AXIOMATIC SYSTEM 148 8.4.
EQUIVALENCE OF THE DEPENDENCY SETS 150 REFERENCES 154 PART IV FUZZY
DATABASE DESIGN AND INFORMATION MAINTENANCE 155 CHAPTER 9 SCHEME
DECOMPOSITION AND INFORMATION MAINTENANCE 157 9.1. FUZZY DATA
MANIPULATION 158 9.2. JOIN AND PROJECTION ON BASE RELATIONS 160 9.3.
LOSSLESS-JOIN DECOMPOSITION 162 9.4. DEPENDENCY-PRESERVING DECOMPOSITION
167 REFERENCES 176 CHAPTER 10 DESIGN OF FUZZY DATABASES TO AVOID UPDATE
ANOMALIES 179 10.1. THE UPDATE ANOMALY PROBLEMS 180 10.2. USE OF FUZZY
NORMAL FORMS TO DEAL WITH UPDATE ANOMALIES 182 10.2.1. FUZZY FIRST
NORMAL FORM (F1NF) 183 10.2.2. 9-FUZZY NORMAL FORMS 185 10.3. DESIGN
ALGORITHM AND INFORMATION MAINTENANCE 189 10.3.1. DEPENDENCY-PRESERVING
DECOMPOSITION INTO FUZZY THIRDNORMAL FORMS 190 10.3.2.
DEPENDENCY-PRESERVING AND LOSSLESS-JOIN DECOMPOSITION INTO FUZZY THIRD
NORMAL FORMS 194 10.3.3. LOSSLESS-JOIN DECOMPOSITION INTO FUZZY
BOYCE-CODD NORMAL FORMS 196 REFERENCES 199 BIBLIOGRAPHY 201 APPENDIX 207
A. LIST OF EXAMPLES 209 B. LIST OF DEFINITIONS 211 C. LIST OF THEOREMS
213 D. LIST OF LEMMAS 215 E. LIST OF ALGORITHMS 217 INDEX 219
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| indexdate | 2024-07-09T18:24:14Z |
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| language | English |
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| series | The Kluwer international series on advances in database systems |
| series2 | The Kluwer international series on advances in database systems |
| spelling | Chen, Guoqing Verfasser aut Fuzzy logic in data modeling semantics, constraints, and database design Guoqing Chen Boston [u.a.] Kluwer 1998 XIV, 224 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier The Kluwer international series on advances in database systems 15 Bases de données - Conception ram Logique floue ram Database design Fuzzy logic Fuzzy-Logik (DE-588)4341284-1 gnd rswk-swf Datenmodell (DE-588)4192516-6 gnd rswk-swf Fuzzy-Logik (DE-588)4341284-1 s Datenmodell (DE-588)4192516-6 s DE-604 The Kluwer international series on advances in database systems 15 (DE-604)BV011161715 15 http://lcweb.loc.gov/catdir/toc/98-29391.html Table of contents GBV Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=008299010&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Chen, Guoqing Fuzzy logic in data modeling semantics, constraints, and database design The Kluwer international series on advances in database systems Bases de données - Conception ram Logique floue ram Database design Fuzzy logic Fuzzy-Logik (DE-588)4341284-1 gnd Datenmodell (DE-588)4192516-6 gnd |
| subject_GND | (DE-588)4341284-1 (DE-588)4192516-6 |
| title | Fuzzy logic in data modeling semantics, constraints, and database design |
| title_auth | Fuzzy logic in data modeling semantics, constraints, and database design |
| title_exact_search | Fuzzy logic in data modeling semantics, constraints, and database design |
| title_full | Fuzzy logic in data modeling semantics, constraints, and database design Guoqing Chen |
| title_fullStr | Fuzzy logic in data modeling semantics, constraints, and database design Guoqing Chen |
| title_full_unstemmed | Fuzzy logic in data modeling semantics, constraints, and database design Guoqing Chen |
| title_short | Fuzzy logic in data modeling |
| title_sort | fuzzy logic in data modeling semantics constraints and database design |
| title_sub | semantics, constraints, and database design |
| topic | Bases de données - Conception ram Logique floue ram Database design Fuzzy logic Fuzzy-Logik (DE-588)4341284-1 gnd Datenmodell (DE-588)4192516-6 gnd |
| topic_facet | Bases de données - Conception Logique floue Database design Fuzzy logic Fuzzy-Logik Datenmodell |
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