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Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275)最新文献

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Combining object orientation and dataflow modelling in the VISSION simulation system 在vision仿真系统中结合面向对象和数据流建模
Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275) Pub Date : 1999-06-07 DOI: 10.1109/TOOLS.1999.778999
A. Telea
{"title":"Combining object orientation and dataflow modelling in the VISSION simulation system","authors":"A. Telea","doi":"10.1109/TOOLS.1999.778999","DOIUrl":"https://doi.org/10.1109/TOOLS.1999.778999","url":null,"abstract":"Scientific visualization and simulation frameworks mostly use data/event flow mechanisms for simulation specification, control, and interactivity. Even though object orientation powerfully and elegantly models many application domains, integration of OO libraries in such systems remains difficult. The elegance and simplicity of OO design gets lost in the integration phase, as most systems do not support combination of OO and dataflow concepts. We propose a general-purpose OO visualization and simulation system which addresses simulation design, control and interactivity by merging OO and dataflow modelling in a single abstraction. The system's advantages over similar ones are illustrated by a comprehensive set of examples.","PeriodicalId":434404,"journal":{"name":"Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275)","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124942092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Consistent extension of components in the presence of explicit invariants 在显式不变量存在的情况下，组件的一致扩展
Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275) Pub Date : 1999-06-07 DOI: 10.1109/TOOLS.1999.779001
A. Mikhajlova
{"title":"Consistent extension of components in the presence of explicit invariants","authors":"A. Mikhajlova","doi":"10.1109/TOOLS.1999.779001","DOIUrl":"https://doi.org/10.1109/TOOLS.1999.779001","url":null,"abstract":"Component extensions must semantically conform to the components they extend to guarantee consistency of the extended system. Semantic conformance usually means preservation of observable properties while decreasing nondeterminism; in the presence of explicit invariants, it also involves preservation of invariants by the extended and the extending components. Depending on the reuse technique employed for constructing extensions, the requirements that must be imposed on components to guarantee consistency vary. We concentrate on the issue of ensuring consistency of extensions with forwarding as the reuse technique, formulating requirements that allow consistent extension of components in the presence of explicit invariants. Also, we discuss additional problems arising with the use of inheritance and propose solutions to these problems.","PeriodicalId":434404,"journal":{"name":"Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127737654","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
CORBA and DCOM: Architectures for Distributed Computing CORBA和DCOM:分布式计算的体系结构
Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275) Pub Date : 1999-06-07 DOI: 10.1109/TOOLS.1999.10014
D. Watkins
{"title":"CORBA and DCOM: Architectures for Distributed Computing","authors":"D. Watkins","doi":"10.1109/TOOLS.1999.10014","DOIUrl":"https://doi.org/10.1109/TOOLS.1999.10014","url":null,"abstract":"Summary form only given, as follows. Over the last decade, object-oriented development methods and techniques have gained rapid acceptance in many areas, for example Graphical User Interfaces (GUI) and Network Programming. Currently there are two major standard architectures available to support Distributed Object-Oriented (OO) Programming: the Object Management Group¿s Common Object Request Broker Architecture and Microsoft¿s Distributed Component Object Model. While both standards address the same problems, i.e., language, hardware and operating system independence, they provide different sets of features for application developers. This tutorial provides an overview of both architectures and a comparison of program development under each. We draw some conclusions about the suitability of each architecture for different programming requirements.","PeriodicalId":434404,"journal":{"name":"Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125781453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
SmartBooks: a step beyond active-cookbooks to aid in framework instantiation SmartBooks:比active-cookbook更进一步，帮助框架实例化
Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275) Pub Date : 1999-06-07 DOI: 10.1109/TOOLS.1999.779006
Alvaro Ortigosa, M. Campo
{"title":"SmartBooks: a step beyond active-cookbooks to aid in framework instantiation","authors":"Alvaro Ortigosa, M. Campo","doi":"10.1109/TOOLS.1999.779006","DOIUrl":"https://doi.org/10.1109/TOOLS.1999.779006","url":null,"abstract":"In this work we present SmartBooks, a new approach to support framework instantiation based on the active cookbook concept, extended with a combination of the concept of user-task modeling and least commitment planning methods. Based on this technique, a tool can present to the developer the different high level activities that can be carried on when creating a new application from a framework, taking as a basis the documentation provided by the designer through instantiation rules. For example, if the framework is in the accounting domain, some of the initial activities may be to create a new type of account, or to describe a new algorithm to calculate the tax rate. For each of these high level activities, there is a list of tasks that the user must carry out in order to complete the activity. When the user selects her next objective, the tool is able to build the sequence of tasks that have to be carried out to accomplish that objective; this list of tasks is called the instantiation plan, and the process of plan creation is named planning. In this paper we present the main characteristics of the planning approach and a example of the instantiation tool being developed.","PeriodicalId":434404,"journal":{"name":"Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133752296","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 43
Introduction to OCL OCL简介
Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275) Pub Date : 1999-06-07 DOI: 10.1109/TOOLS.1999.10017
J. Warmer, A. Kleppe
{"title":"Introduction to OCL","authors":"J. Warmer, A. Kleppe","doi":"10.1109/TOOLS.1999.10017","DOIUrl":"https://doi.org/10.1109/TOOLS.1999.10017","url":null,"abstract":"Summary form only given, as follows. Visual modeling languages are appealing because \"a picture tells more than a thousand words.\" The UML is such a visual language and is well known for its graphical notation and diagramming techniques. However, pictures often only tell half of the story and additional information needs to be captured in a different way. For this reason the UML includes the Object Constraint Language (OCL), a textual language which allows a UML modeler to specify these additional constraints. This tutorial shows the importance of constraints as an object-oriented modeling technique and how they add value to the visual modeling techniques and help \"telling the complete story.\" The OCL language itself and the connection with the visual UML diagrams is thoroughly explained. The final part of the tutorial will show how one can achieve a good balance between the visual and constraint modeling in UML.","PeriodicalId":434404,"journal":{"name":"Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275)","volume":"96 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134529696","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Characterizing stability in evolving frameworks 在不断发展的框架中描述稳定性
Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275) Pub Date : 1999-06-07 DOI: 10.1109/TOOLS.1999.779005
Michael Mattsson, J. Bosch
{"title":"Characterizing stability in evolving frameworks","authors":"Michael Mattsson, J. Bosch","doi":"10.1109/TOOLS.1999.779005","DOIUrl":"https://doi.org/10.1109/TOOLS.1999.779005","url":null,"abstract":"Object-oriented application frameworks present one of the most successful approaches to developing reusable assets in industry, but developing frameworks is both difficult and expensive. Frameworks generally evolve through a number of iterations due to the incorporation of new requirements and better domain understanding. Since changes to frameworks have a large impact on the applications build based on the asset, it is important to assess the stability of a framework. Recently, an approach for assessing framework stability has been proposed. We have extended and applied the assessment approach on one proprietary telecommunication framework and two commercial GUI application frameworks. Based on our findings we formulate a set of hypotheses, which characterize the stability of an object-oriented application framework. We believe these hypotheses to be the most promising ones for further studies of framework stability.","PeriodicalId":434404,"journal":{"name":"Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275)","volume":"259 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131999744","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 40
Optimizations of Eiffel programs: SmallEiffel, the GNU Eiffel Compiler Eiffel程序的优化:SmallEiffel, GNU Eiffel编译器
Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275) Pub Date : 1999-06-07 DOI: 10.1109/TOOLS.1999.779065
Dominique Colnet, Olivier Zendra
{"title":"Optimizations of Eiffel programs: SmallEiffel, the GNU Eiffel Compiler","authors":"Dominique Colnet, Olivier Zendra","doi":"10.1109/TOOLS.1999.779065","DOIUrl":"https://doi.org/10.1109/TOOLS.1999.779065","url":null,"abstract":"The design of the Eiffel language makes it possible to perform global optimizations on Eiffel programs. We describe some of the techniques we used in SmallEiffel, The GNU Eiffel Compiler, to generate highly efficient excecutables for Eiffel programs. Most of these techniques-related to global analysis or not-may also be applied to other object oriented languages.","PeriodicalId":434404,"journal":{"name":"Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275)","volume":"154 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122967642","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
Needs of object-oriented languages for physics knowledge representation in the simulation field 面向对象语言对仿真领域物理知识表示的需求
Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275) Pub Date : 1999-06-07 DOI: 10.1109/TOOLS.1999.779009
Juan José Ramos, M. P. Eroles
{"title":"Needs of object-oriented languages for physics knowledge representation in the simulation field","authors":"Juan José Ramos, M. P. Eroles","doi":"10.1109/TOOLS.1999.779009","DOIUrl":"https://doi.org/10.1109/TOOLS.1999.779009","url":null,"abstract":"To cope with the growing demands for simulation models of ever increasing complex industrial systems, the research community effort has been mainly focused on creating different software tools which simplify the modelling task. There is a recognised necessity of modelling tools supporting libraries of non-causal models which could be coupled in the same way as physical units are assembled in a system. This work presents an object-oriented modelling language, PML, designed to support a modelling methodology where system models are described by linking system component models analogously as the system components are linked. This modelling language introduces a new modularization of physical knowledge, making a clear separation between the physical behaviour representation (declarative knowledge) and the computational aspects of model simulation (procedural knowledge).","PeriodicalId":434404,"journal":{"name":"Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275)","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127369989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Employing object technology to expose fundamental object concepts 使用对象技术来暴露基本的对象概念
Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275) Pub Date : 1999-06-07 DOI: 10.1109/TOOLS.1999.779081
M. Woodman, R. Griffiths, S. Holland, Hugh Robinson, M. Macgregor
{"title":"Employing object technology to expose fundamental object concepts","authors":"M. Woodman, R. Griffiths, S. Holland, Hugh Robinson, M. Macgregor","doi":"10.1109/TOOLS.1999.779081","DOIUrl":"https://doi.org/10.1109/TOOLS.1999.779081","url":null,"abstract":"We explore technical issues in the design of programming tools, development environments, simulations, code examples, user interface frameworks and pedagogies for a university-level course on object-oriented software development. The course, M206 Computing: An Object-Oriented Approach has been specifically developed for distance learning, and is enrolling over 5,000 students per year (average age 37) in the UK, Europe and Singapore. The course introduces computing via an object-oriented approach. M206 is substantial in extent representing one sixth of a degree. It embodies a practical, industry oriented view of computing and includes programming, analysis, design and group working. Considerable effort has been invested in making the simplicity, consistency and power of object technology accessible to and capable of being applied by beginners. A diverse set of educational media, such as CD-ROMs, TV and the Web, have been deployed as learning resources. We describe the agenda for the course; its object-oriented pedagogy and our strategy for delivery. We explain measures taken to avoid misconceptions about objects, our analysis and design method, and the Smalltalk programming environment we have developed specifically for learners and which is crucial to our approach. We outline how our adherence to the separation of view and domain model leads to technical innovations. Concluding remarks reflect on the benefits a reflexive strategy, both in education and training.","PeriodicalId":434404,"journal":{"name":"Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275)","volume":"140 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127273590","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Using components, patterns and frameworks to realize architecture 使用组件、模式和框架来实现体系结构
Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275) Pub Date : 1999-06-07 DOI: 10.1109/TOOLS.1999.10006
Timothy D. Korson
{"title":"Using components, patterns and frameworks to realize architecture","authors":"Timothy D. Korson","doi":"10.1109/TOOLS.1999.10006","DOIUrl":"https://doi.org/10.1109/TOOLS.1999.10006","url":null,"abstract":"Summary form only given, as follows. Understanding and using components, patterns and frameworks in the design and development of an application system architecture is critical to the successful development of enterprise solutions. You will learn how components, patterns and frameworks can and should be utilized to establish an industrial strength architecture that supports the total needs of the business. Reuse comes in many forms at numerous levels of abstraction. This tutorial will consider the aspects necessary to a successful corporate reuse program. We will examine how to plan and attain effective reuse by combining class libraries, patterns, frameworks, domain specific pattern languages and the corporate infrastructure necessary for enabling large scale reuse. Reuse is often touted as one of the primary benefits of the object-oriented approach to software development. Yet reuse is not an automatic by-product of employing object technology. There are as many cultural and organizational barriers to reuse as there are technical ones.","PeriodicalId":434404,"journal":{"name":"Proceedings Technology of Object-Oriented Languages and Systems. TOOLS 29 (Cat. No.PR00275)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127575628","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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