دانلود مقاله انگلیسی رایگان:ارزیابی عملکرد مدلهای توزیع احتمال پاسخ زمان سرویس وب برای شبیه سازی چرخه فرآیند کسب و کار - 2020
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  • Performance evaluation of web service response time probability distribution models for business process cycle time simulation Performance evaluation of web service response time probability distribution models for business process cycle time simulation
    Performance evaluation of web service response time probability distribution models for business process cycle time simulation

    دسته بندی:

    مدیریت بازرگانی - Business Management


    سال انتشار:

    2020


    عنوان انگلیسی مقاله:

    Performance evaluation of web service response time probability distribution models for business process cycle time simulation


    ترجمه فارسی عنوان مقاله:

    ارزیابی عملکرد مدلهای توزیع احتمال پاسخ زمان سرویس وب برای شبیه سازی چرخه فرآیند کسب و کار


    منبع:

    Sciencedirect - Elsevier - The Journal of Systems & Software, 161 (2020) 110480: doi:10:1016/j:jss:2019:110480


    نویسنده:

    Raghu Ramakrishnan


    چکیده انگلیسی:

    Context: The adoption of Business Process Management (BPM) is enabling companies to improve the pace of building new capabilities, enhancing existing ones, and measuring process performance to identify bottlenecks. It is essential to compute the cycle time of the process to assess the performance of a business process. The cycle time typically forms part of service level agreements (SLAs) and is a crucial contributor to the overall user experience and productivity. The simulation technique is versatile and has broad applicability for determining realistic cycle time using historical data of web service response time. BPM tools offer inadequate support for modeling input data used in simulation in the form of descriptive statistics or standard probability distributions like normal, lognormal, which results in inaccurate simulation results. Objective: We evaluate the effectiveness of different parametric and non-parametric probability distributions for modeling data of web service response time. We further assess how the choice of probability distribution impacts the accuracy of the simulated cycle time of a business process. The work is the first of such a study using real-world data for encouraging Business Process Simulation Specification (BPSim) standard setters and BPM tools to enhance their support for such distributions in their simulation engine. Method: We consider several parametric and non-parametric distributions and explore how well these distributions fit web service response time from extensive public and a real-world dataset. The cycle time of the business process of a real-world system is simulated using the identified distributions to model the underlying web service data. Results: Our results show that kernel distribution is the most suitable choice, followed by Burr. Kernel outperforms Burr by 86.63% for the public and 84.21% for the real-world dataset. The choice of distribution affects the percentile ranks like 90 and above than the median. The use of single-point values underestimates cycle time values at higher percentiles. Conclusion: Based on our empirical results, we recommend the addition of kernel and Burr to the current list of distributions supported by BPSim and BPM tools.
    Keywords: Simulation input modeling | Parametric distributions | Non-parametric distributions | Performance evaluation | Web service response time | Cycle time


    سطح: متوسط
    تعداد صفحات فایل pdf انگلیسی: 14
    حجم فایل: 1490 کیلوبایت

    قیمت: رایگان


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