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This thesis presents the structural organization, theoretical foundations and basic application principles of Triune Continuum Paradigm, an original paradigm applicable to object-oriented modeling. The paradigm defines a metamodeling structure efficient in ...
The purpose of this paper is to show how system operations can be specified by pre- and postconditions using the Object Constraint Language (OCL), as defined by the Unified Modeling Language (UML) specification, and how these system operation specification ...
This report describes the syntax and usage of operation schemas and it also shows how we use UML's object constraint language (OCL) in operation schemas. ...
There is widespread agreement in the object community that the concept of role is important for object modelling, but little agreement about what is to be understood by a role. In this paper, we present a new definition for the concept of role in the conte ...
The purpose of this paper is to first showcase the concept of an operation schema - a precise form of system-level operation specification and secondly show how operation schemas enhance development when they are used as a supplement to use case descriptio ...
This thesis presents the structural organization, theoretical foundations and basic application principles of Triune Continuum Paradigm, an original paradigm applicable to object-oriented modeling. The paradigm defines a metamodeling structure efficient in ...
The concepts of object oriented data models aim towards modeling of application objects close to the user's view. Yet developers of applications relying on object oriented database management systems are facing problems resulting from the limitations of ob ...
Two important models for building fault-tolerant applications have been independently proposed in the literature, the {\em transaction} model (developed within the context of database applications) and the {\em virtual synchrony} model (proposed initially ...
SUPER is an exploratory project into the next generation of user-DBMS interfaces. Its main objective is to demonstrate that a visual paradigm can lead to powerful and user-friendly interfaces supporting all phases of the database life cycle (i.e. creation, ...
This paper describes the transaction support framework OPTIMA and its implementation for Ada 95. First, a transaction model that fits concurrent programming languages is presented. Then the design of the framework is given. Applications from many different ...
