UML 2001 - The Unified Modeling Language. Modeling Languages, Concepts, and Tools: 4th International Conference, Toronto, Canada, October 1-5, 2001. P [Paperback]

This book constitutes the refereed proceedings of the 4th International Conference on the Unified Modeling Language, 2001, held in Toronto, Canada, in October 2001.
The 33 revised full papers presented together with one invited paper were carefully reviewed and selected from a total of 122 abstracts and 102 papers submitted. The papers are organized in topical sections on metamodeling, activity diagrams, OCL, architecture and patterns, analysis and testing, performance and databases, graph transformations, real-time and embedded systems, associations and ontology, statecharts, components, and use cases.Invited Talk.- The Preacher at Arrakeen.- Metamodeling.- An Action Semantics for MML.- The Essence of Multilevel Metamodeling.- Mapping between Levels in the Metamodel Architecture.- Activity Diagrams.- An Execution Algorithm for UML Activity Graphs.- Timing Analysis of UML Activity Diagrams.- UML Activity Diagrams as a Workflow Specification Language.- OCL.- On Querying UML Data Models with OCL.- OCL as a Specification Language for Business Rules in Database Applications.- A Formal Semantics for OCL 1.4.- Architecture and Patterns.- Refactoring UML Models.- UML Support for Designing Software Systems as a Composition of Design Patterns.- Integrating the ConcernBASE Approach with SADL.- Analysis and Testing.- The Message Paradigm in Object-Oriented Analysis.- A UML-Based Approach to System Testing.- Performance and Databases.- UML Modelling and Performance Analysis of Mobile Software Architectures.- Extending UML for Object-Relational Database Design.- Invited Talk.- Understanding UML  Pains and Rewards.- Graph Transformations.- A Formal Semantics of UML State Machines Based on Structured Graph Transformation.- A Visualization of OCL Using Collaborations.- Rule-Based Specification of Behavioral Consistency Based on the UML Meta-model.- Real-Time and Embedded Systems.- A New UML Profile for Real-Time System Formal Design and Validation.- Representing Embeddedl£1