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Joint European Magnetic Symposia (JEMS 01)

作者： Ionita, V Gavrila, H Politehnica Univ Bucharest Dept Elect Engn Bucharest 77206 Romania

A new object-oriented software, which is dedicated for the characterization of magnetic materials, including the hysteresis effect. is presented. The product allows the development and utilization of all information base, Containing experimental and numerical data related to the magnetic material behaviour. The materials may lie modelled with different hysteresis models (Preisach, Jiles-Atherton, etc.). (C) 2002 Elsevier Science B.V. All rights reserved.

关键词： hysteresis numerical simulation magnetic measurements object-oriented software

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Automated generation and evaluation of dataflow-based test data for object-oriented software

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1st International Conference on the Quality of software Architectures (QoSA 2005)/2nd International Workshop on software Quality (SOQUA 2005)

作者： Oster, N Univ Erlangen Nurnberg Dept Software Engn Erlangen Germany

ISBN: (纸本)3540290338

In this research paper, an approach to fully automating the generation of test data for object-oriented programs fulfilling dataflow-based testing criteria and the subsequent evaluation of its fault-detection capability are presented. The underlying aim of the generation is twofold: to achieve a given dataflow coverage measure and to minimize the effort to reach this goal in terms of the number of test cases required. In order to solve the inherent conflict of this task, hybrid self-adaptive and multi-objective evolutionary algorithms are adopted. Our approach comprises the following steps: a preliminary activity provides support for the automatic instrumentation of source code in order to record the relevant dataflow information. Based on the insight gained hereby, test data sets are continuously enhanced towards the goals mentioned above. Afterwards, the generated test set is evaluated by means of mutation testing. Progress achieved so far in our ongoing project will be described in this paper.

关键词： testing dataflow evolutionary algorithms automated test data generation object-oriented software mutation testing

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Assessment of maintainability in object-oriented software

Assessment of maintainability in object-oriented software

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39th International Conference on Technology of object-oriented Languages and Systems (TOOLS 39)

作者： Alagar, VS Li, QY Ormandjieva, OS Concordia Univ Dept Comp Sci Montreal PQ H3G 1M8 Canada

ISBN: (纸本)0769512518

fit soft-ware industrial practice, the high cost of maintenance process of large-scale software has put emphasis on the need to manage the maintainability in earlier phases of a software lifecycle. This paper discusses the applicability of architectural complexity measures to managing the complexity in the maintenance phase and the reliability of the maintenance process. It also discusses the theoretical validity of the architectural complexity measures, as has been established using PVS, a formal verification system.

关键词： object-oriented software design complexity measurement software maintenance software maintainability information theory

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Characterizing Large object-oriented software: A Topological Perspective

Characterizing Large Object-oriented Software: A Topological...

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2010 International Conference on Display and Photonics

作者： Xie, Qing Jiujiang Univ Sch Informat Sci & Technol Jiujiang 332005 Peoples R China

ISBN: (纸本)9780819482402

The increase of the software complexity makes how to understand software systems a hard work. Since you cannot control what you cannot measure, many research works have been done on software metrics. But one key property has always been neglect, i.e., the topological properties of software systems. In this paper, we proposed to analyze object-oriented (OO) software systems from the perspective of software topological property. First, OO software systems are represented by network at method and class level, respectively. Then we introduce complex network theory to analyze the topological properties of these networks. A case study on an open source OO software system, JHotDraw 5.1, gives an illustration of our approach. Our approach can give further understanding of OO software systems.

关键词： object-oriented software complex network software topology software complexity

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Estimation of Transactional Reliability of object-oriented software of Information and Control Systems 8

Estimation of Transactional Reliability of Object-Oriented S...

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8th IEEE International Conference on Application of Information and Communication Technologies (AICT)

作者： Tsarev, Roman Yu. Younousov, Renat V. Siberian Fed Univ Krasnoyarsk Russia

ISBN: (纸本)9781479941209

The problem of information and control system software reliability estimation has been studied in the paper. There are a lot of methods and models for the software reliability estimation and analysis. The distinctive aspect of the work is that a software functioning unit as a transaction is primarily considered for the reliability estimation. Transaction is an operation or group of logically combined sequential operations for the data handling, which is wholly processed or canceled. The algorithm for transactional reliability estimation of information and control system object-oriented software has been suggested in the paper. There has been given an example of transactional reliability estimation and analysis for the software developed in the frames of the Axapta system.

关键词： Transaction reliability object-oriented software information and control system Axapta

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A method for investigating the quality of evolving object-oriented software using defects in global software development projects

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JOURNAL OF software-EVOLUTION AND PROCESS 2016年第8期28卷 622-641页

作者： Jabangwe, Ronald Wohlin, Claes Petersen, Kai Smite, Darja Borstler, Jurgen Dundalk Inst Technol Regulated Software Res Ctr Lero Dundalk Ireland Blekinge Inst Technol Dept Software Engn S-37179 Karlskrona Sweden

Context: Global software development (GSD) projects can have distributed teams that work independently in different locations or team members that are dispersed. The various development settings in GSD can influence quality during product evolution. When evaluating quality using defects as a proxy, the development settings have to be taken into consideration. objective: The aim is to provide a systematic method for supporting investigations of the implication of GSD contexts on defect data as a proxy for quality. Method: A method engineering approach was used to incrementally develop the proposed method. This was done through applying the method in multiple industrial contexts and then using lessons learned to refine and improve the method after application. Results: A measurement instrument and visualization was proposed incorporating an understanding of the release history and understanding of GSD contexts. Conclusion: The method can help with making accurate inferences about development settings because it includes details on collecting and aggregating data at a level that matches the development setting in a GSD context and involves practitioners at various phases of the investigation. Finally, the information that is produced from following the method can help practitioners make informed decisions when planning to develop software in comparable circumstances. Copyright (C) 2016 John Wiley & Sons, Ltd.

关键词： global software development software quality software evolution object-oriented software distributed software development defect analysis

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An exploratory study of package metrics as change size indicators in evolving object-oriented software

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COMPUTER SYSTEMS SCIENCE AND ENGINEERING 2013年第4期28卷 251-257页

作者： Elish, Mahmoud O. King Fahd Univ Petr & Minerals Dept Informat & Comp Sci Dhahran 31261 Saudi Arabia

software change size prediction can be very useful and helpful in guiding the maintenance team;distributing the resources more efficiently;and, thus, enabling project managers and their teams to focus their effort and attention on the highly unstable artifacts during the software evolution process. This paper empirically explores a set of package-level metrics as change size indicators in evolving object-oriented software. Both structural properties (SP) metrics and historical changes (HC) metrics were explored. Metrics were collected and evaluated in the context of seven major releases of Apache Ant. The results indicate that there are statistically significant correlations between each of the HC metrics and packages' change size in multiple, sequential releases of Apache Ant. In addition, it was observed that the HC metrics are more accurate than the SP metrics in predicting change size in packages throughout the releases. Furthermore, there was no confounding effect of package size in the validity of some of the metrics.

关键词： software metrics software evolution change size packages object-oriented software

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Comparative Analysis of object-oriented software Maintainability Prediction Models

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FOUNDATIONS OF COMPUTING AND DECISION SCIENCES 2018年第4期43卷 359-374页

作者： Zighed, Narimane Bounour, Nora Seriai, Abdelhak-Djamel Badji Mokhtar Univ Annaba Algeria Montpellier Univ Montpellier France

software maintainability is one of the most important aspects when evaluating the quality of a software product. It is defined as the ease with which the existing software can be modified. In the literature, several researchers have proposed a large number of models to measure and predict maintainability throughout different phases of the software Development Life Cycle. However, only a few attempts have been made for conducting a comparative study of the existent proposed prediction models. In this paper, we present a detailed classification and conduct a comparative analysis of object-oriented software maintainability prediction models. Furthermore, we considered the aforementioned proposed models from three perspectives, which are architecture, design and code levels. To the best of our knowledge, such an analysis that comprises the three levels has not been conducted in previous research. Moreover, this study hints at certain fundamental basics concerning the way of how measure the maintainability knowing that at each level the maintainability will be measured differently. In addition, we will focus on the strengths and weaknesses of these models. Consequently, the comparative study yields that several statistical and machine learning techniques have been employed for software maintainability prediction at code level during the last decade, and each technique possesses its specific characteristic to develop an accurate prediction model. At the design level, the majority of the prediction models measured maintainability according to the characteristics of the quality models. Whereas at the architectural level, the techniques adopted are still limited and only a few of studies have been conducted in this regard.

关键词： Metrics Maintainability Prediction object-oriented software Quality Model Prediction Model

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A Reliability Model for object-oriented software

A Reliability Model for Object-Oriented Software

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2010 19th IEEE Asian Test Symposium(第19届IEEE亚洲测试技术学术会议 ATS 2010)

作者： Peng Xu Shiyi Xu School of Computer Engineering and Science Shanghai University Shanghai 200072 China

software reliability is one of the important attributions of dependable systems. A number of software reliability models have been developed by now, but few of them take object-oriented features into account. Nowadays, more and more software systems are developed in object-oriented technology and object-oriented programming languages contain new language features, most notably inheritance, polymorphism, and dynamic binding which have a strong impact on the reliability of software. In this paper, we propose an accurate model for object-oriented software reliability estimation. The central idea of the strategies proposed is to incorporate the influence factors of complexity of the software under test and the test effectiveness into the objectoriented software reliability model so as to make the software reliability model more adequate and accurate to the real situation for object-oriented software. Results from substantial experiments have shown the rationality and usefulness of the new model.

关键词： software Reliability Model object-oriented software Test Effectiveness software Complexity

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An Automatic Testing Platform for object-oriented software based on Code Coverage 2019

An Automatic Testing Platform for Object-oriented Software b...

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Proceedings of the 2019 the 9th International Conference on Communication and Network Security

作者： Bo Liu Honghe Ge Jinfu Chen Qihao Bao Jiangsu University School of Computer Science and Communication Engineering Zhenjiang China

ISBN: (纸本)9781450376624

The development of automatic object-oriented software testing tools is a challenging and realistic subject in the field of software engineering. A testing prototype system named ARTCovPS (Adaptive Random Testing Coverage-based testing Prototype System) is designed and implemented for the widely used object-oriented method software. ARTCovPS mainly performs automated testing from two aspects, dynamic test case generation of object-oriented software based on coverage and adaptive random testing method based on coverage. To a certain extent, ARTCovPS testing prototype system realizes the software test automation, and the system has a high running efficiency and can automatically run different comparison methods. The experimental results are satisfactory, and the feasibility of the system is also verified.

关键词： test case generation testing tool adaptive random testing object-oriented software code coverage

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