نتایج جستجو برای: conceptual cost estimation
تعداد نتایج: 725754 فیلتر نتایج به سال:
Accurate cost estimation in the early stage of project lifecycle is essential for both effective financial planning and cost control of construction projects. Previous efforts by the research team have developed a Web-based Intelligent Cost Estimator (WICE) system. This paper describes a further step of WICE research to develop a special-purpose web agent for various highway construction projec...
These days, data mining one of the most significant issues. One field data mining is a mixture of computer science and statistics which is considerably limited due to increase in digital data and growth of computational power of computer. One of the domains of data mining is the software cost estimation category. In this article, classifying techniques of learning algorithm of machine ...
Reliable effort estimation remains an ongoing challenge to software engineers. Accurate effort estimation is the state of art of software engineering, effort estimation of software is the preliminary phase between the client and the business enterprise. The relationship between the client and the business enterprise begins with the estimation of the software. The credibility of the client to th...
Estimating the effort of software development is fraught with difficulties, and it is clear that effort should be invested in improving the accuracy and the reliability (consistency) of effort estimates, as well as the assessment of estimate uncertainty. However, it is less clear where to target such improvement efforts. We discuss the degree to which it is feasible to improve the expertise of ...
The four studies included in this paper examine the strength of the first impression in the estimation of work effort. The studied context is mainly one where the first impressions of software development effort is manipulated (biased) through comparisons with either much too low or too high reference effort values, e.g., by responding to a question from the client whether one believes that the...
Calibration, has been .found to be difficult in practice. Wide experience in using the estimation model is necessary; experience which the beginner naturally lacks. This paper indicates why it is important to calibrate a model and how the inexperienced user can be helped by an expert system. In addition, the development of, and experience with, the prototype of an expert system are described. T...
Effort estimation is a key factor for software project success, defined as delivering software of agreed quality and functionality within schedule and budget. Traditionally, effort estimation has been used for planning and tracking project resources. Effort estimation methods founded on those goals typically focus on providing exact estimates and usually do not support objectives that have rece...
Software cost estimation is an important phase in software development. It predicts the amount of effort and development time required to build a software system. It is one of the most critical tasks and an accurate estimate provides a strong base to the development procedure. There are many cost estimation models for the estimation of the software. COCOMO model is the basic model. In this pape...
This paper summarizes several classes of software cost estimation models and techniques: parametric models, expertise-based techniques, learning-oriented techniques, dynamics-based models, regression-based models, and composite-Bayesian techniques for integrating expertisebased and regression-based models. Experience to date indicates that neural-net and dynamics-based techniques are less matur...
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