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Growing Science » Authors » Maryam Ashrafi

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Sort articles by: Volume | Date | Most Rates | Most Views | Reviews | Alphabet
1.

Application of reinforcement learning for integrating project risk analysis and risk response planning: A case study on construction projects Pages 71-86 Right click to download the paper Download PDF

Authors: Sajad Soltan, Maryam Ashrafi

DOI: 10.5267/j.jpm.2024.11.001

Keywords: Project management, Risk management, Risk response planning, Earned value management, Markov chain, Markov decision process

Abstract:
Project Risk Management contains processes ranging from planning to control. It is applied to identify risks, analyze them, and design responses to change the occurrence rate and/or the effect of project risks. It is important for project managers to analyze the effects of the risks in projects and also consider project risks in their decisions. If project risks are not addressed during the risk management process, issues such as schedule delays, cost overruns, and even project failure may occur. This paper aims to introduce a Markov method to integrate project risk analysis and risk response planning. This method is applied to forecast the following status of the project when limited information about the project is available. Moreover, earned value management (EVM) methods were used to include various types of project risks through the project lifecycle. The model also offers the capability to choose the most effective risk response for managing project risks through the application of the Markov decision process (MDP). Eventually, we introduce a case study to demonstrate functionality and effectiveness of the presented approach. Solving the model allows for identifying the best set of risk response strategies tailored to each specific project state. The computational results illustrate that the current state of the project has a significant impact in the process of risk response planning. Since uncertainty is the inherent characteristic of projects, the use of the project’s current state is more reliable than the previous status of projects, and the Markov method is applied in this research because it uses the current state for its modelling. Using this method, managers can predict the future state of projects and find the best response in each status of projects.

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Journal: JPM | Year: 2025 | Volume: 10 | Issue: 1 | Views: 610 | Reviews: 0

 
2.

Modeling projects interdependencies to measure their synergic impacts on a project portfolio Pages 143-156 Right click to download the paper Download PDF

Authors: Mohammad Mahdi Nabati, Maryam Ashrafi

DOI: 10.5267/j.jpm.2021.2.003

Keywords: Project Interdependencies, Project Portfolio Selection, Resources Interdependency, Knowledge Interdependency, Technical Interdependency

Abstract:
One of the most critical factors used to evaluate the efficiency of the portfolio selection process is the ability of the model to measure interdependencies among projects. Varieties of interactions among projects lead to several kinds of synergies in the whole portfolio, such as re-sources and knowledge interdependencies. There are few studies focused on project portfolio selection accompanied by modeling and estimating the impact of synergies between projects. Hence, this paper presents a model to select the best project portfolio applying a particular model to measure the effects of several types of interdependencies between paired projects. Then, the Promethee II method is used to prioritize projects. Then, the portfolio selection model, which is a non-linear integer model, is solved to find the best set of projects. Finally, numerical examples are addressed to illustrate the method results and validity.
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Journal: JPM | Year: 2021 | Volume: 6 | Issue: 3 | Views: 1398 | Reviews: 0

 
3.

Predicting project duration and cost, and selecting the best action plan using statistical methods for earned value management Pages 157-166 Right click to download the paper Download PDF

Authors: Sajad Soltan, Maryam Ashrafi

DOI: 10.5267/j.jpm.2020.3.002

Keywords: Project management, Earned value management, Control charts, Action plan selection, Duration forecasting, Cost forecasting, Empirical database

Abstract:
Nowadays, with the increasing number of projects in organizations, managers are enthusiastic about managing and controlling projects, and as projects become more complex and cause unforeseen risks, project management becomes even more critical. Using the earned value management method to control the current status of projects, and predicting the future status of projects has had many advantages. Representing the status of the project, and predicting the project performance by various indicators are some features of this method. As these indicators are deterministic, the risk of the prediction increases when the number of risks goes up in a project. Therefore, statistical methods can be employed to estimate the statistical distribution of risks and notably boost predicting accuracy. The purpose of this paper is to present a method for predicting project duration and cost of the project and selecting the best action plan. Control charts are used along with the earned value management method to increase accuracy. This model also provides the possibility of selecting the best action plan to improve project performance. Moreover, this method can be applied in each project phase separately. Finally, a case study is used to investigate the validity of the proposed method.
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Journal: JPM | Year: 2020 | Volume: 5 | Issue: 3 | Views: 4107 | Reviews: 0

 

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