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ارائه یک مدل جدید جهت تخمین تلاش لازم برای توسعه سرویس های نرم افزاری | ||
| مدل سازی در مهندسی | ||
| مقاله 18، دوره 15، شماره 49، شهریور 1396، صفحه 245-261 اصل مقاله (1.31 M) | ||
| نوع مقاله: پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22075/jme.2017.2549 | ||
| نویسندگان | ||
| عمید خطیبی بردسیری* 1؛ سید محسن هاشمی1؛ محمدرضا رزازی2 | ||
| 1دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران | ||
| 2دانشگاه صنعتی امیرکبیر، پلیتکنیک تهران | ||
| تاریخ دریافت: 25 اسفند 1393، تاریخ بازنگری: 30 مهر 1394، تاریخ پذیرش: 07 آذر 1394 | ||
| چکیده | ||
| تخمین دقیق تلاش لازم برای توسعه سرویسهای نرم افزاری یک چالش بزرگ هم در صنعت و هم برای محققین است. مفهوم تلاش یک پارامتر مهم و تأثیرگذار در فرآیند توسعه و مدیریت سرویسهای نرم افزاری است. تخمین دقیق تلاش به مدیران پروژه کمک میکند تا منابع را بهتر تخصیص دهند و هزینه و زمان را طوری مدیریت کنند که پروژه در وقت و بودجه تعیین شده به اتمام برسد. یکی از مشهورترین روشهای تخمین تلاش، استفاده از قیاس و مقایسه یک سرویس با موارد مشابه قبلی است. متأسفانه روش قیاس بدون استفاده از وزنهای مناسب و ارزش دهی به ویژگیهای یک سرویس، نتایج خوبی نخواهد داشت. بنابراین در این مقاله سعی شده تا با ترکیب روش قیاس و الگوریتم تکامل تفاضلی یک مدل کارا و قابل اطمینان برای برآورد تلاش لازم جهت توسعه سرویسهای نرم افزاری ایجاد شود. مدل پیشنهادی بر روی دادههای واقعی مستخرج از پایگاه داده ISBSG و دو پایگاه داده مصنوعی مورد ارزیابی قرار گرفت و نتایج با روشهای مشهور تخمین تلاش مقایسه گردید؛ مقادیر به دست آمده برای مخازن داده ای ISBSG، همگن و ناهمگن به ترتیب و به طور میانگین بهبود 28%، 34% و 19% را نشان میداد. | ||
| کلیدواژهها | ||
| تخمین تلاش؛ سرویس نرم افزاری؛ روش قیاس؛ الگوریتم تکامل تفاضلی؛ مدل وزن دهی | ||
| عنوان مقاله [English] | ||
| A Novel Model for Software Services Development Effort Estimation | ||
| نویسندگان [English] | ||
| Amid khatibi bardsiri1؛ Seyyed mohsen hashemi1؛ Mohhamdreza Razzazi2 | ||
| 1uni | ||
| 2uni | ||
| چکیده [English] | ||
| Accurate estimation of software service development effort is a great challenge both in industry and for academia. The concept of effort is an important and effective parameter in process development and software service management. The reliable estimation of effort helps the project managers to allocate the resources better and manage cost and time so that the project will be finished in the determined time and budget. One of the most popular effort estimation methods is analogy base estimation (ABE) to compare a service with similar historical cases. Unfortunately ABE is not capable of generating accurate results unless determining weights for service features. Therefore, this paper aims to make an efficient and reliable model through combining ABE method and DE algorithm to estimate the software services development effort. In fact, the DE algorithm was utilized for weighting features in the similarity function of the ABE method. The proposed hybrid model has been evaluated on a real data set and two artificial datasets. The obtained results were compared with common effort estimation methods. Obtained values indicate 28, 34 and 19 percentage improvement on the three datasets ISBSG, Moderate, and Severe, respectively. | ||
| کلیدواژهها [English] | ||
| software services, effort estimation, analogy base estimation, differential evolution, weighting model | ||
| مراجع | ||
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