Topic
Object-oriented design
About: Object-oriented design is a research topic. Over the lifetime, 5136 publications have been published within this topic receiving 144108 citations.
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TL;DR: A representation of objects and their boundaries is proposed, which is based on combinatorial topology, and a method of extracting boundaries of objects from measured data is developed, which proves that boundaries are uniquely obtained using the algorithm.
31 citations
20 Apr 1998
TL;DR: To achieve distributed consensus on communication resource access, an EDF-like approach is introduced, which takes advantage of knowledge about deadlines, the number of remaining communication activities and the remaining worst-case execution time for the invoked method at each point of time.
Abstract: The paper focuses on method invocation of real-time objects in a CAN-based distributed real-time system. A simple object model is introduced, which allows the convenient modelling of hardware and software components. Related to the object model, two issues are discussed. Firstly, a model is introduced which allows to form and address object groups. This reflects a basic need in a real-time system to distribute information to multiple clients efficiently. Secondly, the paper discusses an approach to express timing requirements for object invocations. To achieve distributed consensus on communication resource access, an EDF-like approach is introduced, which takes advantage of knowledge about deadlines, the number of remaining communication activities and the remaining worst-case execution time for the invoked method at each point of time.
31 citations
TL;DR: The data model is the foundation for a number of techniques for developing object-oriented systems, including adaptive software, schema abstraction from object examples, schema optimization, planning techniques for system development, and the Law of Demeter, among others.
Abstract: Class dictionary graphs, axiomatic definitions of basic structures used by object-oriented designers and programmers during the software development process, are discussed. An axiomatic foundation for object-oriented data modeling and efficient algorithms for checking whether a given data model satisfies the axioms are presented. The data model is the foundation for a number of techniques for developing object-oriented systems, including adaptive software, schema abstraction from object examples, schema optimization, planning techniques for system development, and the Law of Demeter, among others. >
30 citations
01 Oct 1998
TL;DR: A language for defining composite objects is proposed and the semantics of update operations on composite objects are defined, which can be used in both object-oriented and object-relational database systems.
Abstract: In this paper we extend the ODMG object data model with composite objects. A composite object is an object built by aggregating other component objects. Exclusiveness and dependency constraints, as well as referential integrity, can be associated with composition relationships among objects. Our composite object model is developed in the framework of the ODMG object database standard data model, but can be used in both object-oriented and object-relational database systems. In the paper, we propose a language for defining composite objects and we define the semantics of update operations on composite objects.
30 citations