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Australian Conference on software engineering

作者： L. Scott R. Jeffery L. Carvalho J. D'Ambra P. Rutherford Centre for Advanced Empirical Software Engineering Research University of New South Wales Sydney Sydney Australia Centre for Advanced Empirical Software Engineering Research University of New South Wales Sydney Australia Allette Systems (Australia) Pty Ltd Sydney Sydney Australia

For many years now software process improvement (SPI) has been recognised as an effective way for companies to improve the quality of the software they produce and the productivity with which they work. Much work has gone into developing and selling improvement paradigms, assessment methods, modelling languages, tools and technologies. The challenge for -small-to-medium software development companies (SMEs) now is to find a way to apply these SPI technologies to realise their company's improvement goals. For SMEs the most pressing requirements for improvement paradigms are that they are not only effective but that they realise tangible results quickly, can be implemented incrementally and utilise the many existing process improvement technologies. The paper presents a framework for SPI that realises these needs. The framework is designed to utilise a range of improvement technologies and supports continuous and highly focused improvement over many projects, thus producing timely, cost-effective and tangible improvements for SMEs. The effectiveness of the framework is illustrated with its application in a small, Sydney-based, Web development company.

关键词： Australia Application software Programming Large-scale systems Investments Computer science software quality Productivity Pressing Profitability

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Reliable backup routing in fault tolerant real-time networks

Reliable backup routing in fault tolerant real-time networks

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IEEE International Conference on Networks

作者： V. Rajeev C.R. Muthukrishnan Hughes Software Systems Limited Gurgaon India Department of Computer Science and Engineering Indian Institute of Technology Chennai India

ISBN: (纸本)0769511864

Broadband integrated services digital networks (B-ISDN) are aimed to transport both real-time traffic and non real-time traffic. Many of these applications require quality of service (QoS) guarantees. In the literature, not much work is found to provide QoS guarantees based on fault tolerance. Reliability of network links is considered as one of the parameters when providing QoS guarantees to applications. Considering reliability of network links as a parameter for QoS guarantees gives the applications more flexibility in choosing the network resources. A new terminology for dispersity routing is presented which will be useful in providing QoS guarantees based on reliability. Dispersity routing transmits the traffic along multiple paths. Also, a reliable backup resource allocation method is presented that can be used in the context of dispersity routing for fault tolerant real-time networks. An assumption is made that higher capacity is assigned to the links which are more reliable. This will help in availability of resources for a longer period of time. Also, reliability of links is considered to compute multiple paths along with shortest path metric.

关键词： Routing Intelligent networks Fault tolerance Quality of service Telecommunication traffic Reliability engineering Real time systems Availability Costs Computer network reliability

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DSP application in e-commerce security

DSP application in e-commerce security

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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)

作者： Jiankun Hu Ziping Xi A. Jennings H.Y.J. Lee D. Wahyudi Software & Networks Discipline School of Electrical and Computer Systems Engineering Royal Melbourne Institute of Technology University Melbourne Australia

This is a case study on using a DSP board to construct an encryption/decryption module embedded in a e-commerce Web server. The idea of using DSP is to push beyond the key length limits of encryption/decryption algorithms and computational power in a software environment while avoiding the heavy investment in a dedicated hardware encryptor/encryptor. The low cost, high computational power, high flexibility of DSP and the ubiquitous availability of a PC peripheral component interconnect slot for the DSP can provide any Web browser or Web server an excellent cost-effective option to improve the security level of Internet applications. The paper provides a step-by-step procedure and reveals every detail of a successful implementation of a DSP RSA encryptor/decryptor for an e-commerce Web server by using the latest TMS320C6000/sup TM/ Evaluation Module (EVM) DSP hardware. A strong prime concept and Garner algorithm are introduced to generate more secure keys and compute encryption/decryption more efficiently than that of recent publications. Experiments show that the performance of using DSP hardware encryption can be 300 times faster than that in software environment.

关键词： Digital signal processing Security Cryptography Web server Hardware Pervasive computing Application software software algorithms Investments Computational efficiency

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Federated data mining services and a supporting XML-based language

Federated data mining services and a supporting XML-based la...

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Annual Hawaii International Conference on System Sciences (HICSS)

作者： S. Krishnaswamy A. Zaslavsky S.W. Loke School of Computer Science & Software Engineering Monash University Caulfield Australia CRC for Enterprise Distributed Systems Technology Caulfield Australia

ISBN: (纸本)0769509819

E-businesses are increasingly looking towards data mining systems for meeting their business intelligence needs. However, the current state of the art in data mining does not allow any one system to be able to meet the diverse business intelligence needs of e-businesses. A second bottleneck is the high initial cost involved in establishing data mining infrastructure within an organisation. We propose the concept of a federated data mining system hosted by an Application Service Provider (ASP) as a means of alleviating the bottlenecks of high cost and diverse data mining needs. We also present an XML DTD, which provides the basis for data mining systems to describe their services and architecture to the rest of the federation.

关键词： Data mining Distributed decision making Costs XML Computer science software Ash Cyclic redundancy check Government Art

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A modelling approach to suspension friction

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Autotechnology 2001年第3期1卷 54-56页

作者： Nakahara, Jun Minakawa, Masaaki Gipser, Michael Wimmer, Juergen Automotive Advanced Technology Research Honda R&D Europe Germany Automotive Engineering Department Esslingen University of Applied Sciences Germany Cosin Software Germany

An automotive suspension system consists of various elements that cause friction, and this sometimes plays a critical role in determining the overall vehicle response and behaviour, especially with regard to very small amounts of suspension travel represented by vertical „boulevard jerk“(2~6Hz) and „rumble“(8~20Hz). The authors have attempted to improve the accuracy of the simulation for a vehicle’s ride comfort.

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Defect content estimation for two reviewers

Defect content estimation for two reviewers

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International Symposium on software Reliability engineering (ISSRE)

作者： C. Wohlin H. Petersson M. Host P. Runeson Department of Software Engineering and Computer Science Blekinge Institute of Technology Ronneby Sweden Department of Communication Systems Lund University Lund Sweden

ISBN: (纸本)0769513069

Estimation of the defect content is important to enable quality control throughout the software development process. Capture-recapture methods and curve fitting methods have been suggested as tools to estimate the defect content after a review. The methods are highly reliant on the quality of the data. If the number of reviewers is fairly small, it becomes difficult or even impossible to get reliable estimates. This paper presents a comprehensive study of estimates based on two reviewers, using real data from reviews. Three experience-based defect content estimation methods are evaluated vs. methods that use data only from the current review. Some models are possible to distinguish from each other in terms of statistical significance. In order to gain an even better understanding, the best models are compared subjectively. It is concluded that the experience-based methods provide some good opportunities to estimate the defect content after a review.

关键词： software engineering software development management Quality control software quality

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IDEA - An information superstructure 2

IDEA - An information superstructure

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2nd DARPA Information Survivability Conference and Exposition (DISCEX II)

作者： Tallet, JO Henning, RR Fox, KL IDEA Project United States Harris' Software Architecture Tools Methods and Technology Team United States Harris Corporation's Government Communications Systems Division United States Information Assurance Center of Excellence United States Harris Engineering Process Group United States IEEE IEEE Computer Society United States

ISBN: (纸本)0769512127

This past October, the Associated Press reported that for over a month hackers effectively penetrated Microsoft's firewall and, potentially, had access to source code for future products. Over the past year, reported commercial espionage has been increasing steadily. These events underscore the necessary for security engineers to define and implement strong information assurance infrastructures. The concept of defense in depth is used to provide sufficient detection and defensive countermeasures to ensure an enterprise's information is protected. Over the past three years, Harris has conducted research leading to the development of an assurance superstructure tool: the Integrated Design Environment for Assurance (IDEA). Building upon concepts developed during the Network Vulnerability Tool (NVT) program, the IDEA program refined the design and provides a comprehensive assurance analysis superstructure. The IDEA program benifited from the NVT architecture to gain greater adaptive capabilities to address the evolving capabilities of external vulnerability assessment and risk management tools. This re-architected solution builds upon lessons learned during the NVT project.

关键词： architecture patterns FuzzyFusion(Tm) data fusion fuzzy information operations information security

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A family-oriented software development process for engine controllers

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Lecture Notes in Computer Science

作者： Allenby, Karen Burton, Simon Buttle, Darren McDermid, John Murdoch, John Stephenson, Alan Bardill, Mike Hutchesson, Stuart Rolls-Royce University Technology Centre in Systems and Software Engineering Department of Computer Science University of York YorkYO10 5DD United Kingdom Rolls-Royce Plc Control Systems SinC-3 P.O. Box 31 Moor Lane DerbyDE24 8BJ United Kingdom

ISBN: (纸本)3540425713

This paper presents a software engineering process that includes family-based aspects for aero-engine control software. The process uses a "family capability" derived from family analysis of the embedding system. This analysis allows reuse capability to be designed into the process by exploiting prior knowledge of the differences between members of an engine family. The process described follows the traditional software lifecycle. However, the nature of the stages is modified to incorporate the use of the family capability, essentially to allow systematic application of both compositional and generational reuse throughout the development process. The process described was evaluated on a trial project to develop, and subsequently modify, a thrust reverser system for a small aero-engine. Initial results show that this process can reduce effort for both initial and subsequent developments through the use of the family capability. © Springer-Verlag Berlin Heidelberg 2001.

关键词： Engines

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Middleware for reactive components: An integrated use of context, roles, and event based coordination

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IFIP/ACM International Conference on Distributed systems Platforms, Middleware 2001

作者： Rakotonirainy, Andry Indulska, Jaga Loke, Seng Wai Zaslavsky, Arkady CRC for Distributed Systems Technology Level 7 General Purpose University of Queensland 4072 Australia School of Computer Science and Electrical Engineering The University of Queensland 4072 Australia School of Computer Science and Information Technology RMIT University GPO Box 2476V MelbourneVIC3001 Australia School of Computer Science and Software Engineering Monash University CaulfieldVIC3145 Australia

ISBN: (纸本)3540428003

The proliferation of mobile devices and new software creates a need for computing environments that are able to react to environmental (context) changes. To date insufficient attention has been paid to the issues of defining an integrated component-based environment which is able to describe complex computational context and handle different types of adaptation for a variety of new and existing pervasive enterprise applications. In this paper a run-time environment for pervasive enterprise systems is proposed. The associated architecture uses a component based modelling paradigm, and is held together by an event-based mechanism which provides significant flexibility in dynamic system configuration and adaptation. The approach used to describe and manage context information captures descriptions of complex user, device and application context including enterprise roles and role policies. In addition, the coordination language used to coordinate components of the architecture that manage context, adaptation and policy provides the flexibility needed in pervasive computing applications supporting dynamic reconfiguration and a variety of communication paradigms. © Springer-Verlag Berlin Heidelberg 2001.

关键词： Middleware

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The design and implementation of automata-based testing environment for Java multi-thread programs

The design and implementation of automata-based testing envi...

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Asia-Pacific Conference on software engineering

作者： Heui-Seok Seo In Sang Chung Byeong Man Kim Yong Rae Kwou Department of Computer Science Korea Advanced Institute of Science and Technology Korea School of Information and Computer Engineering Hansung University Korea School of Computer & Software Engineering Kumoh National University of Technology Korea

ISBN: (纸本)0769514081

Deterministic execution testing has been considered a promising method for concurrent program testing because of its reproducibility. However, since deterministic execution requires that a synchronization sequence to be replayed is feasible and valid, it is not directly applicable to a situation in which synchronization sequences, being valid but infeasible, are taken into account. To resolve this problem, we proposed automata-based testing in previous work, where a concurrent program is executed according to one sequence accepted by the automaton recognizing all sequences semantically equivalent to a given sequence. In this paper, we present the automata-based testing environment for Java multi-thread programs, and design and implement key components-automata generator, program transformer and replay controller. Algorithms for generating the equivalence automaton of a given sequence are presented and a program transformation method is suggested in order to guide a program to be executed according to the sequence accepted by the automaton. The replay controller is also redesigned and implemented to adopt the automaton. By illustrating automata-based testing procedures with the gas station example, we show how the proposed approach works in Java multi-threaded programs.

关键词： Automatic testing Java Automata Concurrent computing software testing Computer science software engineering Reproducibility of results Automatic generation control Acceleration

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