检索结果-内蒙古大学图书馆

5th International and Interdisciplinary Conference CONTEXT 2005 - Modeling and Using Context

作者： Padovitz, Amir Loke, Seng W. Zaslavsky, Arkady Burg, Bernard Bartolini, Claudio Centre for Distributed Systems and Software Engineering 900 Dandenong Rd. Caulfield-East Vic. Australia HP Labs Palo-Alto United States

ISBN: (纸本)354026924X

We propose and develop an approach modeled with multi-attribute utility theory for sensor fusion in context-aware environments. Our approach is distinguished from existing general purpose fusion techniques by a number of factors including a general underlying context model it is built upon and a set of heuristics it covers. The technique is developed for context-aware applications and we argue that it provides various advantages for data fusion in context-aware scenarios. We experimentally evaluate our approach with actual use cases using real sensors. © Springer-Verlag Berlin Heidelberg 2005.

关键词： Sensor data fusion

来源：评论

学校读者我要写书评

暂无评论

An agent oriented proactive fault-tolerant framework for grid computing

An agent oriented proactive fault-tolerant framework for gri...

引用

IEEE International Conference on e-Science and Grid Computing

作者： M.T. Huda H.W. Schmidt I.D. Peake Centre for Distributed Systems and Software Engineering Monash University Melbourne Australia

Because of computational grid heterogeneity, scale and complexity, faults become likely. Therefore, grid infrastructure must have mechanisms to deal with faults while also providing efficient and reliable services to its end users. Existing fault-tolerant approaches are inefficient because they are reactive and incomplete. They are reactive because they only deal with faults when they take place; they are incomplete because they only deal with certain types of faults. Proactive approaches increase efficiency by reducing the cost and time of operations and network resource usage by maintaining the state of executing applications and resuming operation when rescheduled. This paper presents an agent oriented, fault-tolerant grid framework where agents deal with individual faults proactively. Agents maintain information about hardware conditions, executing process memory consumption, available resources, network conditions and component mean time to failure. Based on this information and critical states, agent can improve the reliability and efficiency of grid services

关键词： Fault tolerance Grid computing Hardware Fault trees distributed computing Random access memory software engineering Costs Maintenance Pervasive computing

来源：评论

学校读者我要写书评

暂无评论

Test order for class-based integration testing of Java applications

Test order for class-based integration testing of Java appli...

引用

International Conference on Quality software

作者： N.L. Hashim H.W. Schmidt S. Ramakrishnan Centre for Distributed Systems and Software Engineering Monash University Caulfield VIC Australia

This paper presents an improvement to existing class test ordering strategies by including coupling measures to reduce non-determinism and decrease the number of stubs to be produced. Our novel strategy aims to lift the known methods from class hierarchies to component-based product lines in which so-called connectors between components are key entities for structuring, assembling and integrating software architectures, and in which tighter coupling of classes inside components and looser coupling between classes in different components are fundamental to component-based architecture composition. The paper also evaluates the new method and confirms the expected reductions in the number of stubs generated and the improved test ordering. Two recent test order strategies for C++ are compared with our novel approach through experiments conducted on two mini product lines written in Java. The new proposed test ordering strategy is more deterministic through measuring coupling, which is at the heart of component-based product line architectures.

关键词： Java software testing Computer architecture Connectors Cost function Application software System testing software engineering Australia software measurement

来源：评论

学校读者我要写书评

暂无评论

Modeling and adapting to context changes: The case of stock market decisions making

Modeling and adapting to context changes: The case of stock ...

引用

Workshop on Context Modeling and Decision Support - Held in Conjunction with the 5th International and Interdisciplinary Conference on Modeling and Using Context

作者： Ajenstat, Jacques Padovitz, Amir Zaslavsky, Arkady Loke, Seng W. Department of Management et Technology University of Québec at Montréal P.O. Box 8888 Montréal QC Canada Centre for Distributed Systems and Software Engineering Monash University 900 Dandenong Rd. Caulfield-East VIC Australia

A stock market decision making makes a compelling case for the use of context aware systems that can adapt to a context behavior known as 'random walk'. To defend such a proposition the paper adopts the formulation typically used in sensor driven applications that involves critical context characteristics of pervasiveness and instability. From the pervasive perspective the paper concentrates on the ability to characterize a context-state trajectory behavior in real-time to proactively estimate the trend of context change. From the perspective of instability it discusses context related mechanisms such as hedging with derivative instruments as a way to caliber context aware system sensitivity to contextual changes. To validate the idea the paper introduces a special case of an equity option portfolio that is simultaneously delta, gamma and Vega neutral, to deal with extreme context-state exhibiting unpredictable time-varying behavior. Based on some preliminary results of real life experimentation the paper concludes with a continuing current debate on the distinctive merits of reactive versus proactive context.

关键词： Financial markets

来源：评论

学校读者我要写书评

暂无评论

Meta object approach to database schema integration

Meta object approach to database schema integration

引用

International Symposium on distributed Objects and Applications

作者： J. Tan A. Zaslavsky A. Bond School of Computer Science and Software Engineering Monash University VIC Australia Distributed Systems Technology Centre University of Queensland Brisbane QLD Australia

Database schema integration is significant not only in building multidatabase systems but also in data warehousing. Meta data, which define schemas, are normally involved in the surrounding issues. And while many of these issues have been addressed in the past, unresolved issues remain. The authors present an approach that not only uses metadata but also uses meta-meta information to make schema integration more possible. Our solution requires a meta object facility that serves not only as a repository but also as a more feasible means of managing meta data. We also advocate the use of such a facility as part of an object oriented middleware environment that provides an open interface standard and several useful services in distributed object management.

关键词： software engineering Computer science Australia Bonding Object oriented databases Database systems distributed databases Warehousing Middleware Environmental management

来源：评论

学校读者我要写书评

暂无评论

Constructing interoperable components in distributed systems

Constructing interoperable components in distributed systems

引用

Technology of Object-Oriented Languages and systems (TOOLS)

作者： S. Ling H. Schmidt R. Fletcher School of Computer Science and Software Engineering Mohan University VIC Australia Cooperative Research Centre for Enterprise Distributed Systems Technology Mohan University VIC Australia

The separation of architecture definition language (ADL) and interface definition language (IDL) is widely accepted in the distributed system community. It separates issues of hierarchical composition and configuration from those of services, communication and synchronisation and thus eases reconfiguration without changing the interfaces and implementation and allows the change of services within well-defined configuration constraints. Our approach towards distributed system definition draws on the Darwin project's notion of distributed system architecture definition and on Eiffel's notion of design-by-contract. We extend contracts to deal with synchronisation and coordination at a higher level, explicitly targeting both large-scale loosely-coupled distributed components and tightly coupled parallel or multithreaded objects. In this paper we present a Java binding of the resulting contract extensions. We incorporate annotations into Java programs adding Eiffel-style assertions and other contractual constraints. Java component code and constraints are then associated to architectural diagrams in a visual programming environment. The paper illustrates the language features in a case study of a lift control system. Based on the case study, the component-based design approach is illustrated and the internal synchronisation of method execution is explained.

关键词： Contracts Java Concurrent computing Programming environments Read only memory Fault tolerance Protection Government

来源：评论

学校读者我要写书评

暂无评论

PARALLEL AND distributed TLM COMPUTATION WITH SIGNAL-PROCESSING FOR ELECTROMAGNETIC-FIELD MODELING

引用

INTERNATIONAL JOURNAL OF NUMERICAL MODELLING-ELECTRONIC NETWORKS DEVICES AND FIELDS 1995年第3-4期8卷 169-185页

作者： SO, PPM ESWARAPPA, C HOEFER, WJR NSERC/MPR Teltech Research Chair in RF Engineering Department of Electrical and Computer Engineering University of Victoria Victoria British Columbia V8W 3P6 Canada Poman So received his B.Sc. degree in computer science and physics from the University of Toronto Toronto Onatario Canada in 1985. He obtained his B.A. Sc. and M.A.Sc. degrees in electrical engineering (summa cum laude) from the University of Ottawa Ottawa Ontario Canada in 1987 and 1989 respectively. Mr So was a research engineer in the University of Ottawa from January 1989 to October 1991 his research interests included CAD techniques of microwave circuits and numerical methods for electromagnetic wave modelling. He specialized in the development of electromagnetic engineering CAD software and successfully implemented a number of electromagnetic wave simulators based on the two-dimensional and three-dimensional transmission-line matrix methods. From August 1990 to February 1991 he accompanied Professor W. J. R. Hoefer to Rome Italy and Sophia Antiopolas France. During that time he implemented a parallel version of the 3D-TLM simulator for the CM-2 Connection Machine using C-Star and X Windows Library. He is a research engineer and a Ph.D. student at the University of Victoria Victoria British Columbia Canada. He ported the 2D- and 3D-TLM simulators to DECmpp 1200 massively parallel computer using MPL C and C++. He also combined OSA90/hope a commercially available microwave CAD program with a 2D-TLM simulation module for geometry optimization using the Datapipe technique of OSA90/hope. Recently he has developed a distributed client-server computing technique for the TLM method this technique could accelerate the TLM simulation by more than an order of magnitude. Channabasappa Eswarappa received the M.Tech. degree in electrical engineering from the Indian Institute of Technology Kanpur India in 1983 and Ph. D. degree from the University of Ottawa Canada in 1990. He worked as an Assistant Executive Engineer and later as

This paper describes the implementation of transmission-line matrix (TLM) method algorithms on a massively parallel computer (DECmpp 12000), the technique of distributed computing in the UNIX environment, and the combination of TLM analysis with Prony's method as well as with autoregressive moving average (ARMA) digital signal processing for electromagnetic field modelling. By combining these advanced computation techniques, typical electromagnetic field modelling of microwave structures by TLM analysis can be accelerated by a few orders of magnitude.

关键词： Mathematical models

来源：评论

学校读者我要写书评

暂无评论

Knowledge Discovery from Sensor Data 1

引用

丛书名： Lecture Notes in Computer Science

1000年

作者： Mohamed Medhat Gaber Ranga Raju Vatsavai Olufemi A. Omitaomu Auroop R. Ganguly João Gama Nitesh V. Chawla

来源：评论

学校读者我要写书评

暂无评论

Component-Based software engineering 1

引用

丛书名： Lecture Notes in Computer Science

1000年

作者： Ian Gorton George T. Heineman Ivica Crnković Heinz W. Schmidt Judith A. Stafford Clemens Szyperski Kurt Wallnau

ISBN: (数字)9783540356295

ISBN: (纸本)9783540356288

On behalf of the Organizing Committee I am pleased to present the proceedings of the 2006 Symposium on Component-Based software engineering (CBSE). CBSE is concerned with the development of software-intensive systems from reusable parts (components), the development of reusable parts, and system maintenance and improvement by means of component replacement and customization. CBSE 2006 was the ninth in a series of events that promote a science and technology foundation for achieving predictable quality in software systems through the use of software component technology and its associated software engineering practices. We were fortunate to have a dedicated Program Committee comprising 27 internationally recognized researchers and industrial practitioners. We received 77 submissions and each paper was reviewed by at least three Program Committee members (four for papers with an author on the Program Committee). The entire reviewing process was supported by Microsoft’s CMT technology. In total, 22 submissions were accepted as full papers and 9 submissions were accepted as short papers. This was the first time CBSE was not held as a co-located event at ICSE. Hence special thanks are due to Ivica Crnkovic for hosting the event. We also wish to thank the ACM Special Interest Group on software engineering (SIGSOFT) for their sponsorship of CBSE 2005. The proceedings you now hold were published by Springer and we are grateful for their support. Finally, we must thank the many authors who contributed the high-quality papers contained within these proceedings.

关键词： software engineering/Programming and Operating systems software engineering Programming Techniques Programming Languages, Compilers, Interpreters Logics and Meanings of Programs Computer Communication Networks

来源：评论

学校读者我要写书评

暂无评论

Component-Based software engineering 1

引用

丛书名： Lecture Notes in Computer Science

1000年

作者： Ivica Crnkovic Judith A. Stafford Heinz W. Schmidt Kurt Wallnau

ISBN: (数字)9783540247746

ISBN: (纸本)9783540219989

Component-based software engineering (CBSE) is concerned with the devel- ment of software-intensive systems from reusable parts (components), the dev- opmentofsuchreusableparts,andthemaintenanceandimprovementofsystems by means of component replacement and customization. Although it holds c- siderable promise, there are still many challenges facing both researchers and practitioners in establishing CBSE as an e?cient and proven engineering dis- pline. Six CBSE workshops have been held consecutively at the most recent six International Conferences on software engineering (ICSE). The premise of the last three CBSE workshops was that the long-term success of component-based development depends on the viability of an established science and technology foundation for achieving predictable quality in component-based systems. TheintentoftheCBSE2004symposiumwastobuildonthispremise,andto provide a forum for more in-depth and substantive treatment of topics perta- ing to predictability, to help establish cross-discipline insights, and to improve cooperation and mutual understanding. The goal of the CBSE 2004 symposium was to discuss and present more complete and mature works, and consequently collect the technical papers in published proceedings. The response to the Call for Papers was beyond expectations: 82 papers were submitted. Of those 25 (12 long and 13 short) were accepted for publication. In all 25 cases, the papers were reviewed by three to four independent reviewers. The symposium brought together researchers and practitioners from a variety of disciplines related to CBSE.

关键词： software engineering/Programming and Operating systems software engineering Programming Techniques Programming Languages, Compilers, Interpreters Logics and Meanings of Programs

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：