Verfügbarkeit: Conceptual modeling of information systems

Conceptual modeling of information systems:

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Bibliographische Detailangaben
1. Verfasser:	Olivé, Antoni (VerfasserIn)
Format:	Buch
Sprache:	English
Veröffentlicht:	Berlin [u.a.] Springer 2007
Schlagworte:	Domain engineering Konzeptionelle Modellierung Entity-Relationship-Datenmodell Informationssystem Requirements engineering UML
Online-Zugang:	Inhaltsverzeichnis
Beschreibung:	XXV, 455 S. Ill.
ISBN:	9783540393894 3540393897

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Datensatz im Suchindex

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adam_text	Contents 1 Introduction .............................................................................................1 1.1 Functions of an Information System .................................................1 1.1.1 The Memory Function ...............................................................3 1.1.2 The Informative Function ..........................................................4 1.1.3 The Active Function ..................................................................6 1.1.4 Examples of Information Systems .............................................7 і .2 Conceptual Modeling .......................................................................9 1.2.1 The Structural Schema .............................................................10 1.2.2 The Information Base ..............................................................14 1.2.3 The Behavioral Schema ...........................................................15 1.2.4 Integrity Constraints ................................................................18 1.2.5 Derivation Rules ......................................................................20 1.2.6 The Principle of Necessity for Conceptual Schemas...............21 1.3 The Abstract Architecture of an Information System .....................22 1.4 Requirements Engineering ..............................................................27 1.5 Quality of Conceptual Schemas......................................................28 1.6 A Brief History of Conceptual Modeling .......................................31 1.6.1 Logical Models ........................................................................31 1.6.2 Semantic Data Models .............................................................32 1.6.3 Conceptual Models ofinformation Systems ...........................33 1.6.4 Object Orientation ...................................................................34 1.7 Bibliographical Notes .....................................................................34 2 Entity Types ..........................................................................................37 2.1 Introduction ....................................................................................37 2.1.1 Definitional Concepts ..............................................................38 2.1.2 Functions of a Concept ............................................................39 2.1.3 Prototypical Concepts ..............................................................39 xviii Contents 2.1.4 Exemplar-Based Concepts .......................................................40 2.2 Design of Concepts .........................................................................40 2.3 Definition of Entity Types ..............................................................41 2.3.1 Names ......................................................................................44 2.3.2 Population ................................................................................44 2.3.3 Subsumption ............................................................................45 2.4 Representation in an Information System .......................................45 2.4.1 State of the Information Base ..................................................47 2.4.2 Logical Representation ............................................................48 2.4.3 Representation in UML ...........................................................49 2.4.4 Conceptual Models: Single or Multiple Classification ............50 2.4.5 Conceptual Models: Static or Dynamic Classification ............51 2.4.6 Properties of the Representation ..............................................51 2.5 Data Types ......................................................................................54 2.5.1 Data Types in UML .................................................................56 2.6 Bibliographical Notes .....................................................................56 2.7 Exercises .........................................................................................58 3 Relationship Types ................................................................................59 3.1 Definition ........................................................................................59 3.1.1 Degree ......................................................................................63 3.1.2 Pattern Sentence ......................................................................63 3.1.3 Unary Relationship Types .......................................................66 3.1.4 Population ................................................................................66 3.1.5 Subsumption ............................................................................68 3.2 Representation in an Information System .......................................68 3.2.1 State of the Information Base ..................................................69 3.2.2 Logical Representation ............................................................69 3.2.3 Representation in UML ...........................................................70 3.2.4 Properties of the Representation ..............................................74 3.3 Attributes ........................................................................................75 3.3.1 Conceptual Models Based on Attributes .................................76 3.3.2 Attribute Pattern Sentence .......................................................77 3.3.3 Representation in UML ...........................................................77 3.3.4 On the Use of Attributes ..........................................................78 3.4 Bibliographical Notes .....................................................................80 3.5 Exercises .........................................................................................81 4 Cardinality Constraints ........................................................................83 4.1 Cardinality Constraints of Binary Relationship Types ...................83 4.1.1 Existence Dependency Relationship Types .............................86 4.1.2 Attributes .................................................................................86 Contents xix 4.1.2 Recursive Relationship Types .................................................87 4.1.3 Satisfiability of Cardinality Constraints ..................................88 4.2 Cardinality Constraints of и-агу Relationship Types .....................90 4.2.1 Consistency and Inference Rules .............................................93 4.3 Maximal Participation ....................................................................95 4.4 Bibliographical Notes .....................................................................98 4.5 Exercises .........................................................................................99 5 Particular Kinds of Relationship Type .............................................103 5.1 Reference Relationship Types ......................................................103 5.1.1 Simple Reference ...................................................................104 5.1.2 Compound Reference ............................................................105 5.1.3 Set Reference .........................................................................106 5.2 Identification .................................................................................107 5.2.1 Identifiability of Entity Types ...............................................109 5.3 Replacing Entities with Identifiers in Relationships .....................109 5.4 Elementary Relationship Types ....................................................111 5.5 Decomposing NonElementary Relationship Types ......................113 5.5.1 Decomposition Based on Functional Dependencies ..............114 5.5.2 Decomposition Based on Multivalued Dependencies ...........116 5.5.3 Decomposition by Absorbing a Constant Entity Type ..........119 5.6 Bibliographical Notes ...................................................................120 5.7 Exercises .......................................................................................121 6 Reification ............................................................................................123 6.1 Definition ......................................................................................123 6.2 Representation in UML ................................................................126 6.2.1 Association Classes ...............................................................126 6.2.2 Implicit Reification ................................................................127 6.2.3 Implicit Reification as a Schema Transformation .................129 6.3 Partial Reification .........................................................................130 6.4 Bibliographical Notes ...................................................................133 6.5 Exercises .......................................................................................134 7 Generic Relationship Types ...............................................................137 7.1 Definition ......................................................................................137 7.2 Representation in an Information System .....................................139 7.2.1 Logical Representation ..........................................................139 7.2.2 Representation in UML .........................................................140 7.3 Part-Whole Relationships ............................................................141 7.3.1 Description ............................................................................141 7.3.2 Representation in UML .........................................................142 xx Contents 7.3.3 Part Sharing...........................................................................143 7.3.4 Part Dependency ....................................................................144 7.4 Grouping .......................................................................................145 7.4.1 Description ............................................................................145 7.4.2 Representation in UML .........................................................147 7.4.3 Homogeneous Versus Heterogeneous Groups ......................147 7.5 Roles .............................................................................................147 7.5.1 Description ............................................................................147 7.5.2 Representation in UML .........................................................149 7.5.3 Propagation ............................................................................150 7.6 Materialization ..............................................................................151 7.6.1 Description ............................................................................151 7.6.2 Representation in UML .........................................................152 7.6.3 Inheritance .............................................................................153 7.7 Bibliographical Notes ...................................................................153 7.8 Exercises .......................................................................................155 8 Derived Types ......................................................................................157 8.1 Derivability ...................................................................................157 8.1.1 Base Types .............................................................................157 8.1.2 Derived Types .......................................................................158 8.1.3 Hybrid Types .........................................................................159 8.1.4 Transformation of Hybrid Types into Derived Types ...........159 8.1.5 Design of Derivability ...........................................................160 8.2 Representation in an Information System .....................................161 8.2.1 Logical Representation ..........................................................161 8.2.2 Representation in UML .........................................................162 8.2.3 Representation of Derivation Rules by Operations ...............164 8.3 Particular Kinds of Derived Type .................................................167 8.3.1 Derived by Union ..................................................................167 8.3.2 Derived by Specialization ......................................................169 8.3.3 Derived by Exclusion ............................................................170 8.3.4 Derived by Participation ........................................................171 8.3.5 Transitive Closure .................................................................173 8.4 Derivation Rules for Constant Relationship Types ......................173 8.5 Hybrid Types in UML ..................................................................175 8.6 Justification for Derived Types ....................................................176 8.7 Bibliographical Notes ...................................................................178 8.8 Exercises .......................................................................................179 9 Integrity Constraints ____________________...................................181 9.1 The Concept of an Integrity Constraint ........................................181 Contents xxi 9.1.1 Integrity = Validity + Completeness .....................................181 9.1.2 Integrity Constraints ..............................................................182 9.1.3 Violation of Integrity Constraints ..........................................183 9.1.4 Violation Response Actions ..................................................185 9.2 Classification of Integrity Constraints ..........................................185 9.2.1 Classification According to Source .......................................186 9.2.2 Classification According to Scope ........................................187 9.2.3 Classification According to Cause of Violation ....................188 9.3 Representation in an Information System .....................................189 9.3.1 Logical Representation ..........................................................189 9.3.2 Representation in UML .........................................................192 9.3.3 Representation of Constraints by Operations ........................193 9.4 Particular Kinds of Static Constraint ............................................196 9.4.1 Key Constraints .....................................................................196 9.4.2 Reference Constraints ............................................................197 9.4.3 Inclusion Constraints .............................................................198 9.4.4 Disjunction Constraints .........................................................199 9.4.5 Covering Constraints .............................................................201 9.4.6 Constraints of Recursive Binary Relationship Types ............202 9.4.7 Entity Type Cardinality Constraints ......................................204 9.5 Creation-Time Constraints ............................................................204 9.6 Bibliographical Notes ...................................................................206 9.7 Exercises .......................................................................................208 10 Taxonomies ........................................................................................213 10.1 Specialization ..............................................................................213 10.1.1 The IsA Relationship ...........................................................214 10.1.2 Entity Types Derived by Intersection and Multiple Classification ..................................................................................215 10.1.3 The Entity Type Entity ........................................................216 10.2 Generalization .............................................................................216 10.2.1 The Gens Relationship .........................................................217 10.2.2 Constraints on Generalizations ............................................218 10.2.3 Generalization/Specialization Dimension ...........................220 10.2.4 Explicit Subtypes versus Explicit Dimension Attributes .....221 10.2.5 Partitions ..............................................................................222 10.3 The Taxonomy of a Conceptual Schema ....................................222 10.3.1 Valid Type Configurations ..................................................223 10.3.2 Taxonomic Constraints and Derivability .............................224 10.3.3 Partitions and Derivability ...................................................227 10.4 Relationship Type Refinement ...................................................229 10.4.1 Participant Refinement ........................................................229 xxii Contents 10.4.2 Particular Kinds of Participant Refinement .........................232 10.4.3 Cardinality Constraint Strengthening ..................................233 10.4.4 Interaction of IsA and Cardinality Constraints ....................236 10.4.5 Derivation Rule Redefinition ...............................................236 10.4.6 Redefining a Base Relationship Type as Derived ...............238 10.5 Constraint Specialization ............................................................239 10.6 Specialization/Generalization of Relationship Types .................241 10.6.1 IsA and Gens Between Relationship Types .........................241 10.6.2 Reification and Specialization .............................................242 10.7 Bibliographical Notes .................................................................243 10.8 Exercises .....................................................................................244 11 Domain Events ..................................................................................247 11.1 Domain Events as Sets of Structural Events ...............................248 11.1.1 Structural Events .................................................................248 11.1.2 Domain Events ....................................................................251 11.2 Representation in an Information System ...................................252 11.2.1 Domain Events as Entities ...................................................252 11.2.2 Logical Representation ........................................................255 11.2.3 UML Representation ...........................................................256 11.3 Domain Event Constraints ..........................................................257 11.3.1 Logical Representation ........................................................258 11.3.2 UML Representation ...........................................................258 11.4 Event Effects: The Postcondition Approach ...............................259 11.4.1 Logical Representation ........................................................261 11.4.2 UML Representation ...........................................................262 11.4.3 The Frame Problem .............................................................265 11.5 Event Effects: The Procedural Approach ...................................266 11.5.1 Logical Representation ........................................................267 11.5.2 UML Representation ...........................................................268 11.6 Consistency with the Structural Schema ....................................271 11.7 Bibliographical Notes .................................................................272 11.8 Exercises .....................................................................................274 12 Action Request Events ......................................................................277 12.1 Actions and Action Request Events ...........................................277 12.1.1 Scope of this Chapter ...........................................................281 12.2 Action Request Event Types ......................................................281 12.2.1 Characteristics of Action Request Events ............................283 12.2.2 Constraints of Action Request Events .................................284 12.3 Effects of Queries .......................................................................285 12.4 Effects of Action Request Events ...............................................289 Contents xxiii 12.4.1 Effects of Domain Event Notifications ................................294 12.5 Event Specialization ...................................................................295 12.6 Generating Conditions ................................................................296 12.7 Bibliographical Notes .................................................................297 12.8 Exercises .....................................................................................297 13 State Transition Diagrams ...............................................................299 13.1 Finite State Machines .................................................................299 13.1.1 Finite Automata ...................................................................300 13.1.2 Moore and Mealy Machines ................................................300 13.2 Entities as State Machines ..........................................................301 13.2.1 Entity Life Cycle .................................................................305 13.3 State Transition Diagrams in UML ............................................306 13.3.1 Transitions Triggered by Change and Time Events ............310 13.3.2 Unexpected-Event Reception ..............................................311 13.3.3 Initial State ...........................................................................311 13.3.4 Final State ............................................................................312 13.3.5 Junction ................................................................................312 13.3.6 Choice ..................................................................................314 13.4 From Domain and Action Request Events to Call Events ..........315 13.4.1 Localization of Event Constraints and Effects ....................317 13.5 Entity Types with Multiple State Transition Diagrams ..............321 13.6 Bibliographical Notes .................................................................322 13.7 Exercises .....................................................................................323 14 Statecharts.........................................................................................325 14.1 The State Hierarchy ....................................................................325 14.1.1 Simple Composite States .....................................................327 14.1.2 State Configuration and Entity Life Cycle ..........................327 14.1.3 Initial Pseudostate ................................................................328 14.1.4 Conflicting Transitions ........................................................329 14.2 Parallelism ..................................................................................329 14.2.1 Initial Pseudostate ................................................................331 14.2.2 Firing Multiple Transitions ..................................................332 14.2.3 Fork ......................................................................................332 14.2.4 Join ......................................................................................333 14.3 Bibliographical Notes .................................................................333 14.4 Exercises .....................................................................................334 15 Use Cases ...........................................................................................337 15.1 Actors ..........................................................................................337 15.2 Use Cases ....................................................................................338 xxiv Contents 15.2.1 Definition .............................................................................338 15.2.2 Use Case Actors ..................................................................339 15.2.3 Use Case Specification ........................................................340 15.2.4 Relationships Between Use Cases .......................................343 15.2.5 Use Case Model ...................................................................345 15.3 Mapping Use Cases to Requests .................................................346 15.3.1 Textual References ..............................................................347 15.3.2 Creation Dependencies ........................................................348 15.3.3 Sequence Diagrams .............................................................348 15.4 Bibliographical Notes .................................................................350 15.5 Exercises .....................................................................................350 16 Case Study .........................................................................................353 16.1 Main Domain Concepts ..............................................................354 16.2 Store Configuration ....................................................................354 16.2.1 Store Data ............................................................................354 16.2.2 Minimum Values .................................................................358 16.3 Store Administration ...................................................................359 16.3.1 Manufacturers ......................................................................359 16.3.2 Categories ............................................................................363 16.3.3 Products ...............................................................................366 16.4 Customers ...................................................................................370 16.5 Online Catalog ............................................................................373 16.5.1 Shopping Carts ....................................................................373 16.5.2 Orders ..................................................................................376 16.5.3 Show Previous Orders .........................................................380 17 Metamodeling ....................................................................................383 17.1 Meta Entity Types ......................................................................383 17.1.1 Definition .............................................................................383 17.1.2 Classification Level .............................................................385 17.1.3 InstanceOf Versus IsA ..........................................................387 17.1.4 Monolevel and Multilevel Information Bases .....................389 17.1.5 Logical Representation ........................................................391 17.1.6 Representation in UML .......................................................393 17.2 Powerty pes ..................................................................................393 17.3 Class Relationship Types ............................................................394 17.4 Meta Relationship Types ............................................................397 17.4.1 Definition .............................................................................397 17.4.2 Logical Representation ........................................................398 17.4.3 Representation in UML .......................................................399 17.5 Metaschemas ..............................................................................400 Contents xxv 17.5.1 Definition .............................................................................400 17.5.2 Example of a Metaschema ...................................................401 17.5.3 Levels of a Meta Information Base .....................................405 17.5.4 The Importance of Metaschemas .........................................405 17.5.5 Conceptual Models versus Metaschemas ............................406 17.5.6 The UML Metaschema ........................................................406 17.6 Stereotypes ..................................................................................408 17.6.1 Definition .............................................................................408 17.6.2 Stereotypes in the Metaschema ...........................................410 17.7 Bibliographical Notes .................................................................412 17.8 Exercises .....................................................................................413 18 The MOF and XMI ...........................................................................415 18.1 Meta-Metaschemas .....................................................................415 18.1.1 Definition .............................................................................415 18.1.2 The MOF .............................................................................417 18.2 The MOF as a Conceptual Modeling Language .........................420 18.2.1 The MOF as an cu-metaschema ...........................................421 18.3 XMI ............................................................................................422 18.3.1 XMI Representation of Entities and Relationships ..............423 18.3.2 XMI Representation of UML Schemas...............................425 18.4 Bibliographical Notes .................................................................428 18.5 Exercises .....................................................................................429 References ...............................................................................................431 Index ........................................................................................................445
adam_txt	Contents 1 Introduction .1 1.1 Functions of an Information System .1 1.1.1 The Memory Function .3 1.1.2 The Informative Function .4 1.1.3 The Active Function .6 1.1.4 Examples of Information Systems .7 і .2 Conceptual Modeling .9 1.2.1 The Structural Schema .10 1.2.2 The Information Base .14 1.2.3 The Behavioral Schema .15 1.2.4 Integrity Constraints .18 1.2.5 Derivation Rules .20 1.2.6 The Principle of Necessity for Conceptual Schemas.21 1.3 The Abstract Architecture of an Information System .22 1.4 Requirements Engineering .27 1.5 Quality of Conceptual Schemas.28 1.6 A Brief History of Conceptual Modeling .31 1.6.1 Logical Models .31 1.6.2 Semantic Data Models .32 1.6.3 Conceptual Models ofinformation Systems .33 1.6.4 Object Orientation .34 1.7 Bibliographical Notes .34 2 Entity Types .37 2.1 Introduction .37 2.1.1 Definitional Concepts .38 2.1.2 Functions of a Concept .39 2.1.3 Prototypical Concepts .39 xviii Contents 2.1.4 Exemplar-Based Concepts .40 2.2 Design of Concepts .40 2.3 Definition of Entity Types .41 2.3.1 Names .44 2.3.2 Population .44 2.3.3 Subsumption .45 2.4 Representation in an Information System .45 2.4.1 State of the Information Base .47 2.4.2 Logical Representation .48 2.4.3 Representation in UML .49 2.4.4 Conceptual Models: Single or Multiple Classification .50 2.4.5 Conceptual Models: Static or Dynamic Classification .51 2.4.6 Properties of the Representation .51 2.5 Data Types .54 2.5.1 Data Types in UML .56 2.6 Bibliographical Notes .56 2.7 Exercises .58 3 Relationship Types .59 3.1 Definition .59 3.1.1 Degree .63 3.1.2 Pattern Sentence .63 3.1.3 Unary Relationship Types .66 3.1.4 Population .66 3.1.5 Subsumption .68 3.2 Representation in an Information System .68 3.2.1 State of the Information Base .69 3.2.2 Logical Representation .69 3.2.3 Representation in UML .70 3.2.4 Properties of the Representation .74 3.3 Attributes .75 3.3.1 Conceptual Models Based on Attributes .76 3.3.2 Attribute Pattern Sentence .77 3.3.3 Representation in UML .77 3.3.4 On the Use of Attributes .78 3.4 Bibliographical Notes .80 3.5 Exercises .81 4 Cardinality Constraints .83 4.1 Cardinality Constraints of Binary Relationship Types .83 4.1.1 Existence Dependency Relationship Types .86 4.1.2 Attributes .86 Contents xix 4.1.2 Recursive Relationship Types .87 4.1.3 Satisfiability of Cardinality Constraints .88 4.2 Cardinality Constraints of и-агу Relationship Types .90 4.2.1 Consistency and Inference Rules .93 4.3 Maximal Participation .95 4.4 Bibliographical Notes .98 4.5 Exercises .99 5 Particular Kinds of Relationship Type .103 5.1 Reference Relationship Types .103 5.1.1 Simple Reference .104 5.1.2 Compound Reference .105 5.1.3 Set Reference .106 5.2 Identification .107 5.2.1 Identifiability of Entity Types .109 5.3 Replacing Entities with Identifiers in Relationships .109 5.4 Elementary Relationship Types .111 5.5 Decomposing NonElementary Relationship Types .113 5.5.1 Decomposition Based on Functional Dependencies .114 5.5.2 Decomposition Based on Multivalued Dependencies .116 5.5.3 Decomposition by Absorbing a Constant Entity Type .119 5.6 Bibliographical Notes .120 5.7 Exercises .121 6 Reification .123 6.1 Definition .123 6.2 Representation in UML .126 6.2.1 Association Classes .126 6.2.2 Implicit Reification .127 6.2.3 Implicit Reification as a Schema Transformation .129 6.3 Partial Reification .130 6.4 Bibliographical Notes .133 6.5 Exercises .134 7 Generic Relationship Types .137 7.1 Definition .137 7.2 Representation in an Information System .139 7.2.1 Logical Representation .139 7.2.2 Representation in UML .140 7.3 Part-Whole Relationships .141 7.3.1 Description .141 7.3.2 Representation in UML .142 xx Contents 7.3.3 Part Sharing.143 7.3.4 Part Dependency .144 7.4 Grouping .145 7.4.1 Description .145 7.4.2 Representation in UML .147 7.4.3 Homogeneous Versus Heterogeneous Groups .147 7.5 Roles .147 7.5.1 Description .147 7.5.2 Representation in UML .149 7.5.3 Propagation .150 7.6 Materialization .151 7.6.1 Description .151 7.6.2 Representation in UML .152 7.6.3 Inheritance .153 7.7 Bibliographical Notes .153 7.8 Exercises .155 8 Derived Types .157 8.1 Derivability .157 8.1.1 Base Types .157 8.1.2 Derived Types .158 8.1.3 Hybrid Types .159 8.1.4 Transformation of Hybrid Types into Derived Types .159 8.1.5 Design of Derivability .160 8.2 Representation in an Information System .161 8.2.1 Logical Representation .161 8.2.2 Representation in UML .162 8.2.3 Representation of Derivation Rules by Operations .164 8.3 Particular Kinds of Derived Type .167 8.3.1 Derived by Union .167 8.3.2 Derived by Specialization .169 8.3.3 Derived by Exclusion .170 8.3.4 Derived by Participation .171 8.3.5 Transitive Closure .173 8.4 Derivation Rules for Constant Relationship Types .173 8.5 Hybrid Types in UML .175 8.6 Justification for Derived Types .176 8.7 Bibliographical Notes .178 8.8 Exercises .179 9 Integrity Constraints _.181 9.1 The Concept of an Integrity Constraint .181 Contents xxi 9.1.1 Integrity = Validity + Completeness .181 9.1.2 Integrity Constraints .182 9.1.3 Violation of Integrity Constraints .183 9.1.4 Violation Response Actions .185 9.2 Classification of Integrity Constraints .185 9.2.1 Classification According to Source .186 9.2.2 Classification According to Scope .187 9.2.3 Classification According to Cause of Violation .188 9.3 Representation in an Information System .189 9.3.1 Logical Representation .189 9.3.2 Representation in UML .192 9.3.3 Representation of Constraints by Operations .193 9.4 Particular Kinds of Static Constraint .196 9.4.1 Key Constraints .196 9.4.2 Reference Constraints .197 9.4.3 Inclusion Constraints .198 9.4.4 Disjunction Constraints .199 9.4.5 Covering Constraints .201 9.4.6 Constraints of Recursive Binary Relationship Types .202 9.4.7 Entity Type Cardinality Constraints .204 9.5 Creation-Time Constraints .204 9.6 Bibliographical Notes .206 9.7 Exercises .208 10 Taxonomies .213 10.1 Specialization .213 10.1.1 The IsA Relationship .214 10.1.2 Entity Types Derived by Intersection and Multiple Classification .215 10.1.3 The Entity Type Entity .216 10.2 Generalization .216 10.2.1 The Gens Relationship .217 10.2.2 Constraints on Generalizations .218 10.2.3 Generalization/Specialization Dimension .220 10.2.4 Explicit Subtypes versus Explicit Dimension Attributes .221 10.2.5 Partitions .222 10.3 The Taxonomy of a Conceptual Schema .222 10.3.1 Valid Type Configurations .223 10.3.2 Taxonomic Constraints and Derivability .224 10.3.3 Partitions and Derivability .227 10.4 Relationship Type Refinement .229 10.4.1 Participant Refinement .229 xxii Contents 10.4.2 Particular Kinds of Participant Refinement .232 10.4.3 Cardinality Constraint Strengthening .233 10.4.4 Interaction of IsA and Cardinality Constraints .236 10.4.5 Derivation Rule Redefinition .236 10.4.6 Redefining a Base Relationship Type as Derived .238 10.5 Constraint Specialization .239 10.6 Specialization/Generalization of Relationship Types .241 10.6.1 IsA and Gens Between Relationship Types .241 10.6.2 Reification and Specialization .242 10.7 Bibliographical Notes .243 10.8 Exercises .244 11 Domain Events .247 11.1 Domain Events as Sets of Structural Events .248 11.1.1 Structural Events .248 11.1.2 Domain Events .251 11.2 Representation in an Information System .252 11.2.1 Domain Events as Entities .252 11.2.2 Logical Representation .255 11.2.3 UML Representation .256 11.3 Domain Event Constraints .257 11.3.1 Logical Representation .258 11.3.2 UML Representation .258 11.4 Event Effects: The Postcondition Approach .259 11.4.1 Logical Representation .261 11.4.2 UML Representation .262 11.4.3 The Frame Problem .265 11.5 Event Effects: The Procedural Approach .266 11.5.1 Logical Representation .267 11.5.2 UML Representation .268 11.6 Consistency with the Structural Schema .271 11.7 Bibliographical Notes .272 11.8 Exercises .274 12 Action Request Events .277 12.1 Actions and Action Request Events .277 12.1.1 Scope of this Chapter .281 12.2 Action Request Event Types .281 12.2.1 Characteristics of Action Request Events .283 12.2.2 Constraints of Action Request Events .284 12.3 Effects of Queries .285 12.4 Effects of Action Request Events .289 Contents xxiii 12.4.1 Effects of Domain Event Notifications .294 12.5 Event Specialization .295 12.6 Generating Conditions .296 12.7 Bibliographical Notes .297 12.8 Exercises .297 13 State Transition Diagrams .299 13.1 Finite State Machines .299 13.1.1 Finite Automata .300 13.1.2 Moore and Mealy Machines .300 13.2 Entities as State Machines .301 13.2.1 Entity Life Cycle .305 13.3 State Transition Diagrams in UML .306 13.3.1 Transitions Triggered by Change and Time Events .310 13.3.2 Unexpected-Event Reception .311 13.3.3 Initial State .311 13.3.4 Final State .312 13.3.5 Junction .312 13.3.6 Choice .314 13.4 From Domain and Action Request Events to Call Events .315 13.4.1 Localization of Event Constraints and Effects .317 13.5 Entity Types with Multiple State Transition Diagrams .321 13.6 Bibliographical Notes .322 13.7 Exercises .323 14 Statecharts.325 14.1 The State Hierarchy .325 14.1.1 Simple Composite States .327 14.1.2 State Configuration and Entity Life Cycle .327 14.1.3 Initial Pseudostate .328 14.1.4 Conflicting Transitions .329 14.2 Parallelism .329 14.2.1 Initial Pseudostate .331 14.2.2 Firing Multiple Transitions .332 14.2.3 Fork .332 14.2.4 Join .333 14.3 Bibliographical Notes .333 14.4 Exercises .334 15 Use Cases .337 15.1 Actors .337 15.2 Use Cases .338 xxiv Contents 15.2.1 Definition .338 15.2.2 Use Case Actors .339 15.2.3 Use Case Specification .340 15.2.4 Relationships Between Use Cases .343 15.2.5 Use Case Model .345 15.3 Mapping Use Cases to Requests .346 15.3.1 Textual References .347 15.3.2 Creation Dependencies .348 15.3.3 Sequence Diagrams .348 15.4 Bibliographical Notes .350 15.5 Exercises .350 16 Case Study .353 16.1 Main Domain Concepts .354 16.2 Store Configuration .354 16.2.1 Store Data .354 16.2.2 Minimum Values .358 16.3 Store Administration .359 16.3.1 Manufacturers .359 16.3.2 Categories .363 16.3.3 Products .366 16.4 Customers .370 16.5 Online Catalog .373 16.5.1 Shopping Carts .373 16.5.2 Orders .376 16.5.3 Show Previous Orders .380 17 Metamodeling .383 17.1 Meta Entity Types .383 17.1.1 Definition .383 17.1.2 Classification Level .385 17.1.3 InstanceOf Versus IsA .387 17.1.4 Monolevel and Multilevel Information Bases .389 17.1.5 Logical Representation .391 17.1.6 Representation in UML .393 17.2 Powerty pes .393 17.3 Class Relationship Types .394 17.4 Meta Relationship Types .397 17.4.1 Definition .397 17.4.2 Logical Representation .398 17.4.3 Representation in UML .399 17.5 Metaschemas .400 Contents xxv 17.5.1 Definition .400 17.5.2 Example of a Metaschema .401 17.5.3 Levels of a Meta Information Base .405 17.5.4 The Importance of Metaschemas .405 17.5.5 Conceptual Models versus Metaschemas .406 17.5.6 The UML Metaschema .406 17.6 Stereotypes .408 17.6.1 Definition .408 17.6.2 Stereotypes in the Metaschema .410 17.7 Bibliographical Notes .412 17.8 Exercises .413 18 The MOF and XMI .415 18.1 Meta-Metaschemas .415 18.1.1 Definition .415 18.1.2 The MOF .417 18.2 The MOF as a Conceptual Modeling Language .420 18.2.1 The MOF as an cu-metaschema .421 18.3 XMI .422 18.3.1 XMI Representation of Entities and Relationships .423 18.3.2 XMI Representation of UML Schemas.425 18.4 Bibliographical Notes .428 18.5 Exercises .429 References .431 Index .445
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spelling	Olivé, Antoni Verfasser aut Conceptual modeling of information systems Antoni Olivé Berlin [u.a.] Springer 2007 XXV, 455 S. Ill. txt rdacontent n rdamedia nc rdacarrier Domain engineering (DE-588)4584951-1 gnd rswk-swf Konzeptionelle Modellierung (DE-588)4123555-1 gnd rswk-swf Entity-Relationship-Datenmodell (DE-588)4230505-6 gnd rswk-swf Informationssystem (DE-588)4072806-7 gnd rswk-swf Requirements engineering (DE-588)4213997-1 gnd rswk-swf UML (DE-588)4469781-8 gnd rswk-swf Informationssystem (DE-588)4072806-7 s Konzeptionelle Modellierung (DE-588)4123555-1 s UML (DE-588)4469781-8 s Entity-Relationship-Datenmodell (DE-588)4230505-6 s Requirements engineering (DE-588)4213997-1 s Domain engineering (DE-588)4584951-1 s DE-604 Digitalisierung UB Regensburg application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016081263&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis
spellingShingle	Olivé, Antoni Conceptual modeling of information systems Domain engineering (DE-588)4584951-1 gnd Konzeptionelle Modellierung (DE-588)4123555-1 gnd Entity-Relationship-Datenmodell (DE-588)4230505-6 gnd Informationssystem (DE-588)4072806-7 gnd Requirements engineering (DE-588)4213997-1 gnd UML (DE-588)4469781-8 gnd
subject_GND	(DE-588)4584951-1 (DE-588)4123555-1 (DE-588)4230505-6 (DE-588)4072806-7 (DE-588)4213997-1 (DE-588)4469781-8
title	Conceptual modeling of information systems
title_auth	Conceptual modeling of information systems
title_exact_search	Conceptual modeling of information systems
title_exact_search_txtP	Conceptual modeling of information systems
title_full	Conceptual modeling of information systems Antoni Olivé
title_fullStr	Conceptual modeling of information systems Antoni Olivé
title_full_unstemmed	Conceptual modeling of information systems Antoni Olivé
title_short	Conceptual modeling of information systems
title_sort	conceptual modeling of information systems
topic	Domain engineering (DE-588)4584951-1 gnd Konzeptionelle Modellierung (DE-588)4123555-1 gnd Entity-Relationship-Datenmodell (DE-588)4230505-6 gnd Informationssystem (DE-588)4072806-7 gnd Requirements engineering (DE-588)4213997-1 gnd UML (DE-588)4469781-8 gnd
topic_facet	Domain engineering Konzeptionelle Modellierung Entity-Relationship-Datenmodell Informationssystem Requirements engineering UML
url	http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016081263&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA
work_keys_str_mv	AT oliveantoni conceptualmodelingofinformationsystems

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