Fuzzy database modeling:
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Heidelberg [u.a.]
Physica-Verl.
1999
|
| Schriftenreihe: | Studies in fuzziness and soft computing
26 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XIV, 234 S. graph. Darst. |
| ISBN: | 3790811718 |
Internformat
MARC
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Datensatz im Suchindex
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|---|---|
| adam_text | Adnan Yazici • Roy George
Fuzzy Database
Modeling
With 72 Figures and 11 Tables
Physica-Verlag
A Springer-Verlag Company
CONTENTS
Foreword vii
LotflA Zadeh
Preface ix
1 INTRODUCTION 1
1 1 Fuzzy Set Theory 3
1 2 Similarity Relations 5
1 3 Handling Uncertainty in Data Models 6
References 11
2 PHYSICAL DESIGN OF FUZZY DATABASES 15
2 1 Introduction 15
2 2 Background 18
2 3 Fuzzy Indexing 19
2 4 Utilizing the MLGF Data Structure for Fuzzy Databases 21
241 Multi Level Grid File 22
242 Representation of the Record and
Access Structure for Fuzzy Databases 23
2 5 Handling Fuzzy Queries 30
2 6 Performance of the MLGF Access Structure
for Fuzzy Queries 34
2 7 Conclusion 37
References 38
xii CONTENTS
3 CONCEPTUAL MODELING OF COMPLEX AND
UNCERTAIN INFORMATION 41
3 1 Introduction 41
3 2 Background 43
321 The IFO Data Model 44
322 Uncertainty of Data 46
3 3 Extending the IFO Model (ExIFO) for Modeling Uncertainty 47
331 Uncertainty in Attribute-Level 48
332 Uncertainty in Entity-Level 49
333 An Example ExIFO Schema 49
334 Definitions of High-Level Primitives for Extended IFO 51
335 Verification of ExIFO Schema 53
336 Transformation of Conceptual Schema into
Logical Schema 56
337 Incorporation of Integrity Constraints 61
338 Implementation 63
3381 Constructing a New ExIFO Schema 64
3382 Internal Representation of an ExIFO Specification 64
3383 Verification Rules and the Verification Process 64
3 4 Conceptual Modeling for the Design of Fuzzy 0 0 Databases 66
341 The ExIFO2 Data Model 67
3411 Extending the ExIFO for Object-Oriented Concepts 67
3412 Uncertainty in the ExIFO2 Data Model 69
342 Formal Definition of the ExIFO2 Model 70
3421 Type Definition 70
3422 Printable Types 71
3423 Abstract and Free Types 71
3424 Fuzzy Types 72
3425 Incomplete Types 73
3426 Aggregation and Composition Types 74
3427 Collection and Grouping Types 76
3428 Alternative Types 77
3429 Fragments amp; ISA Links and Schema 78
343 Update Semantics 79
344 Invariant of ExIF02 Schema 81
CONTENTS xi
345 Transformation from ExIFO2 Schema to
Object-Oriented Data Model 83
346 Implementation 98
3461 Verification of an ExIFO2 Schema 99
3462 Transformation of ExIFO2 Schema to
FOOD Schema 101
3463 Transformation and Verification Algorithm 102
3464 Transformation Algorithm 105
3 5 Conclusion 109
References 110
4 LOGICAL DATABASE MODELS FOR UNCERTAIN DATA 113
4 1 Introduction 113
4 2 The Extended NF2 Database Model 115
421 The NF2 Relational Data Model 115
422 Extending the NF2 Relations for Fuzzy Information 116
4221 Basic Set Operations 119
4222 Restructuring Operators 120
423 The Query Language 126
4231 Query Syntax 126
4232 Query Processing 129
4 3 The Fuzzy Object-Oriented Data Model 135
431 An Application: Environmental Information System 137
432 The Fuzzy Object-Oriented Data (FOOD) Model 139
4321 Attribute Level 140
4322 Object/Class Relations 144
433A Fuzzy Class Schema 155
434A Fuzzy Object Algebra 157
435 Implementation 162
4351 Operations on Fuzzy Objects 167
4352 Evaluation of the Enhanced Data Model 169
4 4 Coupling Fuzzy Object-Oriented Database with Fuzzy Logic 171
xiv CONTENTS
441 The Reasons for Coupling Object-Oriented
Database Modeling with Logic 172
442 Incorporating Fuzzy Logic for Handling Uncertainty 180
443 Implementation 184
4431 POPLOG Environment 184
4432 The Structure of the System 185
45A Fuzzy Deductive Object-Oriented Database Model 193
451 Deductive Object-Oriented Data Models 194
452 Uncertainty in Deductive Object-Oriented Database 195
4521 Formal Description of FDOOM 196
4522 Syntax 197
4523 Semantics 202
453 Implementation 204
4 6 Conclusions and Other Research Issues 208
References 210
5 INTEGRITY CONSTRAINTS IN SIMILARITY-BASED
FUZZY RELATIONAL DATABASES 215
5 1 Introduction 215
5 2 Background 217
521 Fuzzy Relational Databases 217
522 Similarity-Based Fuzzy Relational Databases 218
523 Functional and Multi-Valued Dependencies 220
5 3 Fuzzy Integrity Constraints 221
531 Conformance of Tuples 221
532 Fuzzy Functional Dependencies 222
533 Fuzzy Multi-Valued Dependencies 227
5 4 Conclusion 232
References 233
|
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| author | Yazıcı, Adnan 1962- George, Roy 1961- |
| author_GND | (DE-588)120643200 (DE-588)120643227 |
| author_facet | Yazıcı, Adnan 1962- George, Roy 1961- |
| author_role | aut aut |
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| callnumber-label | QA76 |
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| callnumber-sort | QA 276.9 D26 Y39 41999 |
| callnumber-subject | QA - Mathematics |
| classification_rvk | ST 250 ST 270 ST 300 ST 301 |
| ctrlnum | (OCoLC)231780799 (DE-599)BVBBV012296017 |
| dewey-full | 005.7421 |
| dewey-hundreds | 000 - Computer science, information, general works |
| dewey-ones | 005 - Computer programming, programs, data, security |
| dewey-raw | 005.74 21 |
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| dewey-tens | 000 - Computer science, information, general works |
| discipline | Informatik |
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| indexdate | 2024-07-09T18:25:09Z |
| institution | BVB |
| isbn | 3790811718 |
| language | English |
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| series | Studies in fuzziness and soft computing |
| series2 | Studies in fuzziness and soft computing |
| spelling | Yazıcı, Adnan 1962- Verfasser (DE-588)120643200 aut Fuzzy database modeling Adnan Yazici ; Roy George Heidelberg [u.a.] Physica-Verl. 1999 XIV, 234 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Studies in fuzziness and soft computing 26 Database design Fuzzy systems Soft computing Datenbank (DE-588)4011119-2 gnd rswk-swf Datenbanksystem (DE-588)4113276-2 gnd rswk-swf Fuzzy-Logik (DE-588)4341284-1 gnd rswk-swf FUZZY Programmiersprache (DE-588)4431650-1 gnd rswk-swf FUZZY Programmiersprache (DE-588)4431650-1 s Datenbank (DE-588)4011119-2 s DE-604 Datenbanksystem (DE-588)4113276-2 s Fuzzy-Logik (DE-588)4341284-1 s George, Roy 1961- Verfasser (DE-588)120643227 aut Studies in fuzziness and soft computing 26 (DE-604)BV021858135 26 HEBIS Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=008337456&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Yazıcı, Adnan 1962- George, Roy 1961- Fuzzy database modeling Studies in fuzziness and soft computing Database design Fuzzy systems Soft computing Datenbank (DE-588)4011119-2 gnd Datenbanksystem (DE-588)4113276-2 gnd Fuzzy-Logik (DE-588)4341284-1 gnd FUZZY Programmiersprache (DE-588)4431650-1 gnd |
| subject_GND | (DE-588)4011119-2 (DE-588)4113276-2 (DE-588)4341284-1 (DE-588)4431650-1 |
| title | Fuzzy database modeling |
| title_auth | Fuzzy database modeling |
| title_exact_search | Fuzzy database modeling |
| title_full | Fuzzy database modeling Adnan Yazici ; Roy George |
| title_fullStr | Fuzzy database modeling Adnan Yazici ; Roy George |
| title_full_unstemmed | Fuzzy database modeling Adnan Yazici ; Roy George |
| title_short | Fuzzy database modeling |
| title_sort | fuzzy database modeling |
| topic | Database design Fuzzy systems Soft computing Datenbank (DE-588)4011119-2 gnd Datenbanksystem (DE-588)4113276-2 gnd Fuzzy-Logik (DE-588)4341284-1 gnd FUZZY Programmiersprache (DE-588)4431650-1 gnd |
| topic_facet | Database design Fuzzy systems Soft computing Datenbank Datenbanksystem Fuzzy-Logik FUZZY Programmiersprache |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=008337456&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV021858135 |
| work_keys_str_mv | AT yazıcıadnan fuzzydatabasemodeling AT georgeroy fuzzydatabasemodeling |