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Using sensitivity analysis to validate a state Variablo model of the software test process

IEEE TRANSACTIONS ON software ENGINEERING 2003年第5期29卷 430-443页

作者： Cangussu, JW DeCarlo, RA Mathur, ATP Univ Texas Dept Comp Sci Richardson TX 75083 USA Purdue Univ Dept Elect & Comp Engn W Lafayette IN 47907 USA Purdue Univ Dept Comp Sci W Lafayette IN 47907 USA

We report on the sensitivity analysis of a state variable model.(Model S) proposed earlier. Model S captures the dominant behavior of the system test phase of the software test pro cess. Sensitivity analysis is a mathematical methodology to compute changes in the system behavior due to changes in system parameters or variables. This is particularly important when parameters are calibrated using noisy or small data sets. Nevertheless, by mathematically,quantifying the effects of parameter variations on the behavior of the model, and thereby the STP, one can easily and quickly evaluate the effect of such variations on the process performance without having to perform extensive simulations. In all cases studied, Model S behaved according to empirical observations which serves to validate the-model. It is also shown that sensitivity analysis can suggest structural improvements in a model when the model does not behave as expected.

关键词： software process feedback control sensitivity analysis modeling software test process state model

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A formal model of the software test process

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IEEE TRANSACTIONS ON software ENGINEERING 2002年第8期28卷 782-796页

作者： Cangussu, JW DeCarlo, RA Mathur, AP Purdue Univ Dept Comp Sci W Lafayette IN 47907 USA Purdue Univ Dept Elect & Comp Engn W Lafayette IN 47907 USA

A novel approach to model the system test phase of the software life cycle is presented. This approach is based on concepts and techniques from control theory and is useful in computing the effort required to reduce the number of errors and the schedule slippage under a changing process environment. Results from these computations are used, and possibly revised, at specific checkpoints in a feedback-control structure to meet the schedule and quality objectives. Two case studies were conducted to study the behavior of the proposed model. One study reported here uses data from a commercial project. The outcome from these two studies suggests that the proposed model might well be the first significant milestone along the road to a formal and practical theory of software process control.

关键词： feedback control process control software test process software testing modeling state variable

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Quantifying software test process and Product Reliability Simultaneously

Quantifying Software Test Process and Product Reliability Si...

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IEEE 24th International Symposium on software Reliability Engineering Workshops (ISSREW)

作者： Ikemoto, Shinya Dohi, Tadashi Okamura, Hiroyuki Hiroshima Univ Grad Sch Engn Dept Informat Engn Higashihiroshima 7398527 Japan

ISBN: (纸本)9781479923663

software reliability models (SRMs) are used to assess software reliability and to control quantitatively software testing. In this paper we consider metrics-based SRMs and tackle a statistical estimation of both software test process and product reliability simultaneously. The basic idea is to apply the Markov-dependent Poisson regression to describe the random testing environment by a discrete-time Markov chain. We formulate four Markov-dependent Poisson regression-based SRMs and develop the EM (expectation-maximization) algorithms to estimate the maximum likelihood estimates of model parameters. Numerical examples with real software project data show that our approach is useful to quantify both of software test process and software product reliability, and can answer the question why the stability of test process can lead to the improvement of software product reliability.

关键词： software reliability software test process Markov-dependent Poisson regression software metrics EM algorithm

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A software test process stochastic control model based on CMM characterization

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software process: Improvement and Practice 2004年第2期9卷

作者： João W. Cangussu Department of Computer Science University of Texas at Dallas PO Box 830668 M/S EC31 Richardson TX 75083-0688 USA

The state variable model of the software test process has shown to be a promising approach for the control of the system test phase of the software test process. However, the presence of unforeseen perturbations and noise in the data collection process impacts the accuracy of the predictions of the model and motivates the application of a stochastic control approach. This article explores a stochastic model construct upon the deterministic state variable model of the software test process. The Capability Maturity Model is used to identify levels of disturbance and noise that can be associated with the maturity level of processes. Simulation results are presented as an indication of the applicability of the stochastic state model. Copyright © 2004 John Wiley & Sons, Ltd.

关键词： software test process stochastic control disturbance characterization CMM

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Requirements for Integrating Defect Prediction and Risk-based testing 42

Requirements for Integrating Defect Prediction and Risk-base...

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42nd Euromicro Conference Series on software Engineering and Advanced Applications (SEAA)

作者： Ramler, Rudolf Felderer, Michael Software Competence Ctr Hagenberg Softwarepk 21 A-4232 Hagenberg Austria Univ Innsbruck Technikerstr 21a A-6020 Innsbruck Austria

ISBN: (纸本)9781509028191

Defect prediction is a powerful method that provides information about the likely defective parts in software system and is applicable to improve effectiveness and efficiency of software quality assurance. This makes defect prediction a perfect candidate to be combined with risk-based testing to optimally guide testing activities towards risky parts of software. As a first step towards a successful combination, this paper presents requirements that have to be fulfilled for enabling the synergies between defect prediction and risk-based testing.

关键词： risk-based testing defect prediction software testing software test process

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Challenges in Evaluating SOA test processes

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Joint Meeting of the International Workshop on software Measurement (IWSM)/MetriKon/Mensura 2008

作者： Farooq, Ayaz Georgieva, Konstantina Dumke, Reiner R. Univ Magdeburg Inst Distributed Syst D-39106 Magdeburg Germany

ISBN: (纸本)9783540894025

Service-oriented architecture enables creation of enterprise-wide and cross-enterprise flexible, dynamic business processes and agile applications. The performance, reliability and other quality aspects of such systems, thus, become very important for the success of businesses. testing is a way to evaluate these quality attributes. However, the new unique architecture style of SOA-based systems calls for reorienting testing procedures, methods, techniques, and tools etc. In this paper we discuss how we can evaluate efficiency and effectiveness of SOA test process. Considering an existing generic test process evaluation framework, we attempt to highlight areas where necessary adjustments to this framework are needed to care for the specialized testing perspectives of SOA-based systems.

关键词： Service-oriented architecture software test process test process evaluation test process improvement software measurement

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A test Automation Framework in POCT system using TDD Techniques

A Test Automation Framework in POCT system using TDD Techniq...

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13th International Symposium on Communications and Information Technologies (ISCIT) - Communication and Information Technology for New Life Style Beyond the Cloud

作者： Chaipraserth, Ratchanok Leelasantitham, Adisorn Kiattisin, Supaporn Mahidol Univ Fac Engn Technol Informat Syst Management Program 25-25 Puttamonthon Nakhon Pathom 73170 Thailand

ISBN: (纸本)9781467355803;9781467355780

Nowadays, the growth of IT business are highly competitive both of development process and functionality of software to meet mostly customer requirements. Normally, software performance should develop to increase the high quality whilst it should reduce both of the cost and the time. The IT business is to start the attention with satisfaction of the customer for expanding opportunities of grown business. The problem of former software development is an operation under the pressure conditions affecting to see more bugs of the software in a period of testing system and delivering the program to the required customer. This paper presents an implementation of approach which is an agile development (If what we do that able to modify the code to meet the requirement in the future, that's call agile.) using test Driven Development (TDD) in automation testing framework for software development process. It helps optimization of software testing as it can found early bug, flexible for requirement changes in the future, either to increase or change requirement without any effect on coding behavior. It also helps to reduce cost of software development as a human resource, time and rapid feedback of test result. We apply this approach with prototype in software development processes using the Point of care testing (POCT) system which is as an example to create test case with black-box and white-box testing techniques based on the requirements specification to improve more product quality.

关键词： testing process software test process Black-box testing White-box testing test Driven Development test cases generation

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Automated Compatibility testing Method for software Logic by Using Symbolic Execution 8

Automated Compatibility Testing Method for Software Logic by...

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8th IEEE International Conference on software testing, Verification and Validation Workshops (ICSTW)

作者： Uetsuki, Keiji Matsuodani, Tohru Tsuda, Kazuhiko FeliCa Networks Inc Tokyo Japan Debug Engn Inst Tokyo Japan Univ Tsukuba Grad Sch Syst & Informat Engn Tokyo Japan

ISBN: (纸本)9781479918850

Compatibility verification for modified software is very important. Currently this is done by executing existing test cases to the modified software. However it is often difficult to perform enough verification because it all depends on the existing test cases. In this paper, a novel compatibility testing method for software logical behavior is proposed. The method does not require existing test cases. Instead, it generates test cases which cover all possible paths in both the existing software and the new software automatically by using Symbolic Execution, and executes them to achieve exhaustive compatibility verification.

关键词： Symbolic execution Compatibility test software test architecture software test process

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Developing and applying a consolidated evaluation framework to analyze test process improvement approaches

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Joint Meeting of the International Workshop on software Measurement (IWSM)/International Conference on software process and Product Measurement (MENSURA)

作者： Farooq, Ayaz Dumke, Reiner R. Univ Magdeburg Inst Distributed Syst D-39106 Magdeburg Germany

ISBN: (纸本)9783540855521

Following the general software process improvement initiatives, improvement models particular to the software test process have also been developed. Although these models have been based on nearly similar principles, yet they differ in a variety of aspects. To compare and critically analyze strengths and weaknesses of these test process models, we need a common analysis framework. Existing SPI evaluation frameworks focus only on some basic and key process characteristics and elements. A number of critical success factors for software process improvement have been identified in literature which impose higher level of requirements on SPI approaches. We present, a consolidated evaluation framework derived from critical success factors/literature review and apply it to analyze well known test process improvement approaches.

关键词： software process improvement software test process test process improvement testing Maturity Model critical success factors

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Towards Enacting a SPEM-based test process with Maturity Levels

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KSII TRANSACTIONS ON INTERNET AND INFORMATION SYSTEMS 2017年第2期11卷 1217-1233页

作者： Dashbalbar, Amarmend Song, Sang-Min Lee, Jung-Won Lee, Byungjeong Univ Seoul Dept Comp Sci Seoul 02504 South Korea Ajou Univ Dept Elect & Comp Engn Suwon 16499 South Korea

Effective monitoring and testing during each step are essential for document verification in research and development (R& D) projects. In software development, proper testing is required to verify it carefully and constantly because of the invisibility features of software. However, not enough studies on test processes for R& D projects have been done. Thus, in this paper, we introduce a test Maturity Model integration (TMMi)-based software field R& D test process that offers five integrity levels and makes the process compatible for different types of projects. The software & Systems process Engineering Metamodel (SPEM) is used widely in the software process-modeling context, but it lacks built-in enactment capabilities, so there is no tool or process engine that enables one to execute the process models described in SPEM. Business process Model and Notation (BPMN)-based workflow engines can be a solution for process execution, but process models described in SPEM need to be converted to BPMN models. Thus, we propose an approach to support enactment of SPEM-based process models by converting them into business processes. We show the effectiveness of our approach through converting software R& D test processes specified in SPEM in a case study.

关键词： software test process R&D test process Maturity Levels Enactment SPEM

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