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جستجوی مقالات مرتبط با کلیدواژه « decision making » در نشریات گروه « صنایع »

تکرار جستجوی کلیدواژه «decision making» در نشریات گروه «فنی و مهندسی»
  • زهرا جوربنیان، علی سرورخواه*، سید احمد عدالت پناه
    هدف
    در شرایطی که رقابت فزاینده میان کسب وکارها به یک چالش اساسی برای مدیران تبدیل شده است، راه های مختلفی برای حفظ، بقا یا رشد سازمان قابل تصور است؛ در این میان، متخصصان بازاریابی بر این مهم اتفاق نظر دارند که یکی موثرترین ابزارها در مواجهه با چالش فوق وفادارسازی مشتریان است. به منظور وفادارسازی مشتریان، استراتژی های مختلف و متنوعی در ادبیات موضوع از سوی پژوهشگران و صاحب نظران مورد اشاره قرار گرفته است که سازمان ها می توانند، بسته به شرایط، یک یا ترکیبی از آن ها را مورد استفاده قرار دهند. در چنین شرایطی، به طور معمول، مدیران با تعدادی استراتژی در دسترس مواجه می شوند که لازم است از میان آن ها مناسب ترین استراتژی(ها) را انتخاب کنند. هدف مطالعه حاضر ارایه یک رویکرد ترکیبی برای اولویت بندی استراتژی های وفادارسازی مشتری است.روش شناسی پژوهش: در این پژوهش، رویکرد ماترسی به تحلیل استواری که توانایی مقابله با هر دو بعد پیچیدگی و عدم قطعیت را داراست مورد استفاده قرار گرفته و در الگوریتم پیشنهادی، برای اولویت بندی و انتخاب استراتژی، از تلفیق آن با مفاهیم برنامه ریزی استراتژیک (استراتژی های حاصل از اهداف راهبردی و تحلیل) استفاده شده است. رویکرد پیشنهادی در یک مطالعه موردی در ارتباط با اولویت بندی استراتژی های وفادارسازی مشتریان یک مزون پوشاک در شهرستان رامسر پیاده سازی شد. استراتژی های در دسترس، متغیرهای تاثیرگذار محیطی، تعریف سناریوهای آینده و تعیین عملکرد استراتژی ها در قالب حالت های مختلف شاخص های محیطی بر اساس قضاوت های مالک مساله تعیین شده است.
    یافته ها
    نتایج نشان داد با توجه به متغیرهای اثرگذار محیطی (ارزش پول ملی، دسترسی به بازار و مواد اولیه، تغییر در سبک زندگی، امنیت سرمایه گذاری، ارتباط دولت با بخش خصوصی و سرعت تغییر فناوری)، استراتژی های انتخاب عرضه کننده، انتخاب پیمانکار و جذب اسپانسر بالاترین اولویت را دارند. پس از آن ها، استراتژی های تبلیغات محیطی، تولید مشارکتی و مدیریت ارتباط با مشتری در رتبه های بعدی قرار گرفتند. خروجی های رویکرد پیشنهادی نشان می دهد که با توجه به شرایط قابل پیش بینی برای آینده کشور، استراتژی هایی دارای اولویت بالاتر هستند که خطرات محیطی و تاثیرشان بر کسب وکار را در کمینه ممکن حفظ می کنند.اصالت/ارزش افزوده علمی: مساله انتخاب استراتژی وفادارسازی مشتری یک مساله تصمیم گیری است که می توان با بهره گیری از دانش تصمیم گیری نسبت به حل آن اقدام کرد. با این وجود، پیشینه مطالعاتی بیانگر آن است که در بیشتر موارد این چنینی، رویکردهای کلاسیک برنامه ریزی استراتژیک یا رویکردهای تصمیم گیری چندمعیاره مورد استفاده قرار می گیرند. این رویکردها علی رغم توانمندی ها و ویژگی هایی که دارند، در مواجهه با شرایط متغیر و دگرگون شونده (عدم قطعیت آینده) با مشکل مواجه می شوند. رویکرد جایگزین، یعنی تحلیل استواری، توانایی مورد توجه قرار دادن آینده های بدیل را داراست، اما امکان تعریف استراتژی های در دسترس را ندارد. بر این اساس، ترکیب رویکرد ماتریسی به تحلیل استواری با رویکردهای کلاسیک برنامه ریزی استراتژیک پاسخی برای مساله فوق خواهد بود.
    کلید واژگان: استراتژی, تحلیل استواری, تصمیم گیری, عدم قطعیت, وفاداری مشتری, مزون پوشاک}
    Zahra Joorbonyan, Ali Sorourkhah *, Seyyed Ahmad Edalatpanah
    Purpose
    In a competitive environment where business competition has become a fundamental challenge for managers, various ways to maintain, survive, or grow the organization are conceivable. Among these, marketing experts believe that customer loyalty is one of the most effective tools in facing this challenge. To achieve customer loyalty, various and diverse strategies have been mentioned in the literature by researchers and experts, which organizations can use, depending on the conditions, one or a combination of them. In such circumstances, managers usually have several strategies and must choose the most appropriate one(s). The present study aims to provide a combined approach for prioritizing customer loyalty strategies.
    Methodology
    This research uses a matrix-based approach to robustness analysis, which can deal with complexity and uncertainty. The proposed algorithm combines it with strategic planning tools (strategies derived from strategic objectives and SWOT analysis) for prioritizing and selecting strategies. The proposed approach was implemented in a case study on prioritizing customer loyalty strategies for a women's clothing boutique in Ramsar City. Available strategies, influential environmental variables, definitions of future scenarios, and the performance of strategies in different environmental conditions were determined based on the judgments of the problem owner.
    Findings
    The results showed that considering influential environmental variables (national currency value, market access and raw materials, lifestyle changes, investment security, government-private sector relations, and the speed of technological change), supplier selection, contractor selection, and attracting a sponsor have the highest priority strategies. Afterwards, environmental advertising, collaborative production, and customer relationship management were placed in subsequent rankings. The outputs of the proposed approach indicate that considering the country's foreseeable future conditions, higher-priority strategies minimize environmental risks and their impact on the business.Originality/Value: The problem of choosing a customer loyalty strategy is a decision-making problem that can be addressed with the help of decision-making knowledge. However, the literature suggests that classical strategic planning approaches Quantitative Strategic Planning Matrix (QSPM) or multi-criteria Decision-Making Approaches (MCDM) are used in most cases of such decision-making. Despite their capabilities and features, these approaches face challenges in dealing with variable and evolving conditions (future uncertainty). An alternative approach, robustness analysis, can consider alternative futures but cannot define available strategies. Based on this, combining the matrix approach to robustness analysis with classical strategic planning approaches will be a response to the above problem.
    Keywords: Strategy, Robustness Analysis, Decision-Making, Uncertainty, Customer Loyalty, Clothing Boutique}
  • Amir Bahramipour, Sadegh Abedi *, Alireza Irajpour
    The current research was conducted with the aim of designing a Intuitionistic fuzzy model of hesitant decision making in the evaluation of business plans under conditions of uncertainty as an approach for the development of new products while various researches have been conducted on the development of new products based on innovation. According to the previous researches, decision-making in the uncertain environment for choosing exogenous variables of the business development model based on the development of new products was not observed. Also in the evaluation of economic plans, the parameters are usually considered as certain whereas the investigation of uncertainty is considerably important. In this research, the main goal is to investigate and find factors affecting the feasibility of new product development plans and finally to obtain a method for evaluating new product development plans. For this purpose, 12 people were selected from the elite community and experts of the chemical industry using the theoretical purposeful sampling method. The results of Intuitionistic fuzzy analysis have shown that 6 exogenous variables were chosen as key variables in the selection and development of a new product in the organization. In this research, Intuitionistic fuzzy analytic hierarchy method has been used to determine the importance of exogenous variables that experts have applied in determining their importance. The significant importance of exogenous variables are the rate of certainty of investment in product development (0.239), new product acceptance share in the market (0.275), new product development strategy (0.209), attracting funds for applied research factor (0.077), passing standards and requirements (0.136), and funding for product development research (0.061). The dynamic product development model, which is based on the cause and effect relationship needs to be designed and tested in future studies to simulate the current and future decision-making performance..
    Keywords: Fuzzy model, decision making, Dynamic Model, product development}
  • HAMZA SAMOUCHE*, ABDELLAH EL BARKANY, AHMED ELKHALFI

    Sales and operations planning (S&OP) is considered as an important tool at the planning strategic level. Its models vary depending on industries. The Asian model is known to be very developed. Having several parameters, the Asian model proves to be an effective tool, precisely for the study of capacity. However, after several searches made in various databases, we did not find any concrete model actually used in industry and whose parameters are presented and which defines the analysis logic to better align supply and demand. In this article, we will carry out various simulations on the basis of the data of a model of sales and operations planning used in a wire harnesses factory, in order to explain the decision-making process during S&OP meetings. The parameters of the model and the various constraints that were facing the sales and operations planning team are presented and discussed as well as the financial consequences of certain decisions. As a result of this study, we can notice that S&OP is indeed a powerful tool that makes it possible to detect in advance the various constraints whose resolution concludes in an optimal alignment between customer demand and factory capacity.

    Keywords: Sales, Operation Plan, Decision-making, Simulation, Alignment, Supply, Demand}
  • حمزه امین طهماسبی*، مهدی علیرضا
    هدف

    تصمیم گیری جهت انتخاب سهام همواره یکی از دغدغه های سرمایه گذاران بوده است. هدف اصلی این پژوهش شناسایی عوامل موثر بر تصمیم گیری و رتبه بندی سهام موجود در سه صنعت فلزی، شیمیایی و دارویی بورس اوراق بهادار با توجه به اهمیت این صنایع است.

    روش شناسی پژوهش:

     نمونه آماری این پژوهش شامل سهام 84 شرکت موجود در این سه رشته صنعت می باشد که بر اساس اطلاعات سال 1399 موردبررسی قرارگرفته اند. در ابتدا، با مرور پیشینه تحقیق، فاکتورهای رتبه بندی سهام استخراج گردید. برای غربال این فاکتورها از نظر خبرگان این حوزه استفاده شد و پس از غربالگری، فاکتورهای نهایی انتخاب شدند. وزن دهی و اولویت بندی این فاکتورها با استفاده از روش سوارا فازی صورت گرفت. با توجه به وزن فاکتورهای به دست آمده از روش سوارا فازی و استفاده از اطلاعات مالی شرکت ها، از روش کوکوسو جهت رتبه بندی سهام هدف استفاده شد.

    یافته ها

    نتایج نشان داد نسبت قیمت به درآمد، حاشیه سود عملیاتی و درصد بازده سرمایه مهم ترین فاکتورها ازنظر خبرگان هستند. هم چنین فسبزوار، فاسمین و وتوکا از گروه فلزی وپخش، دسبحا و دپارس از گروه دارویی و شوینده و شپدیس و شفن از گروه شیمیایی به ترتیب جایگاه اول تا سوم را کسب کردند.

    اصالت/ارزش افزوده علمی: 

    در چهار سال اخیر کارهای مختلفی در این حوزه صورت گرفته، اما کارهای کم تری به عدم قطعیت در نظرات خبرگان توجه داشته اند. هم چنین، در خصوص سایر نوآوری های این مقاله می توان به این نکته اشاره کرد که بر روی سه صنعت فلزی، شیمیایی و دارویی با توجه به اهمیت این صنایع، به طور خاص، مطالعه و بررسی صورت نگرفته است. در رابطه با روش اولویت بندی فاکتورها و سهام نیز توجه کم تری به روش های نوین تصمیم گیری و عدم قطعیت در نظرات خبرگان شده است، لذا با استفاده از روش های نوین می توان اهمیت فاکتورها را با دقت بالاتری تعیین و بازده بهتری از سرمایه گذاری کسب نمود.

    کلید واژگان: بورس اوراق بهادار, سوارا فازی, رتبه بندی سهام, کوکوسو, تصمیم گیری}
    Hamzeh Amin-Tahmasbi *, Mahdi Alireza
    Purpose

    Choosing stocks has always been one of the investors' concerns. The primary purpose of this study is to identify the factors affecting the decision-making and ranking of stocks in the stock exchange's three metal, chemical and pharmaceutical industries according to the importance of these industries.

    Methodology

    The statistical sample of this research includes the shares of 84 companies in these three industries, which have been examined based on the data of 2021. First, stock rating factors were extracted by reviewing the research background. Experts used these factors in this field, and the final factors were selected after screening. Weighting and prioritization of these factors were done using the fuzzy SWARA method. According to the weight of the factors obtained from the fuzzy ride method and companies' financial information, the COCOSO method was used to rank the target stocks.

    Findings

    The results showed that price-income ratio, operating profit margin, and percentage of return on capital are the essential criteria for experts. Also, Fasabezvar, Fasmin, and Vetoka from the metal group, Vepakhsh, Desobha, and Depars from the pharmaceutical and shoyande, Shepdis and Shefan from the chemical group won the first and third places.

    Originality/Value: 

    In the last four years, various works have been done in this field, but less work has paid attention to the uncertainty in experts' opinions. Regarding other innovations of this article, it can be pointed out that the three industries of metal, chemical, and pharmaceutical, due to the importance of these industries, have not been specifically studied. Regarding the method of prioritizing criteria and stocks, less attention has been paid to new decision-making methods and uncertainty in decisions. Therefore, using new techniques, the importance of criteria can be determined with higher accuracy, and a better return on investment can be obtained.

    Keywords: COCOSO, Fuzzy SWARA, Stock Rating, Stock Exchange, Decision Making}
  • حامد جعفری*
    هدف

    محصولاتی از قبیل ظروف یک بارمصرف را درنظر بگیرید که برای تولید آن ها از ضایعات پلاستیکی استفاده می شود. برای تولید چنین محصولاتی ابتدا ضایعات پلاستیکی جمع آوری و بازیافت شده و سپس مورداستفاده قرار می گیرند. در این تحقیق زنجیره تامینی شامل انبار ضایعات، بازیافت کننده و تولید کننده درنظر گرفته شده که در آن از ضایعات پلاستیکی به عنوان مواد اولیه موردنیاز برای تولید یک محصول استفاده می شود. تحت زنجیره تامین مذکور انبار ضایعات، ضایعات پلاستیکی موردنیاز را به صورت بازیافت نشده جمع آوری نموده و بازیافت کننده آن ها را بازیافت می کند. سپس تولید کننده با استفاده از ضایعات پلاستیکی بازیافت شده، محصول نهایی را تولید و تقاضای مشتریان را برآورده می نماید. در این ساختار انبار ضایعات قیمت ضایعات پلاستیکی بازیافت نشده، بازیافت کننده قیمت ضایعات پلاستیکی بازیافت شده و تولید کننده قیمت محصول نهایی را تعیین می کنند.

    روش شناسی پژوهش:

     با استفاده از رویکرد نظریه بازی، تصمیمات مطرح شده تحت زنجیره تامین موردبررسی اتخاذ می شوند. فرض می گردد که قدرت تصمیم گیری تولید کننده بیش تر از انبار ضایعات و بازیافت کننده است. به همین منظور از یک بازی استکلبرگ که در آن تولید کننده رهبر و انبار ضایعات و بازیافت کننده پیرو تصمیمات تولید کننده هستند، برای قیمت گذاری ضایعات پلاستیکی و محصول نهایی استفاده می شود.

    یافته ها

    نتایج نشان می دهند که قدرت های تصمیم گیری انبار ضایعات و بازیافت کننده تاثیری بر روی قیمت و تقاضای محصول نهایی ندارند. سود تخصیص داده شده به تولید کننده در حالت هایی که انبار ضایعات و بازیافت کننده دارای قدرت های تصمیم گیری متفاوتی هستند، یکسان بوده و این مقدار بیش تر از حالتی است که آن ها قدرت های تصمیم گیری مشابهی دارند. هم چنین، هرچقدر تقاضای محصول نهایی نسبت به قیمت آن حساس تر باشد، سود اعضا کم تر خواهد بود.

    اصالت/ارزش افزوده علمی:

     استفاده از ضایعات پلاستیکی در تولید محصولات، رویکردی موثر برای توسعه پایداری و کاهش آلودگی محیط زیست است. در این تحقیق از ضایعات پلاستیکی برای تولید محصولاتی از قبیل ظروف یک بارمصرف در زنجیره تامینی شامل تولید کننده، بازیافت کننده و انبار ضایعات استفاده می شود. هم چنین برای اتخاذ تصمیمات رویکرد نظریه بازی به کار گرفته می شود. می توان گفت که در تحقیق فعلی ایده استفاده از رویکرد نظریه بازی برای استفاده از ضایعات پلاستیکی در تولید محصولات تحت زنجیره تامین موردبررسی، برای اولین بار در ادبیات موضوع مساله مطرح شده است.

    کلید واژگان: بازیافت ضایعات, تصمیم گیری, قیمت گذاری, مدیریت زنجیره تامین, نظریه بازی}
    Hamed Jafari *
    Purpose

    The purpose of this paper is to consider products such as disposable tableware produced from plastic waste. In this setting, plastic waste is collected, recycled, and reused. In this research, a supply chain including waste depot, recycler, and manufacturer is considered in which plastic waste is reused in order to manufacture a product. Under this supply chain, the waste depot collects non-recycled plastic waste and the recycler recycles it. Then, the manufacturer uses recycled plastic waste to produce final product and meet customer demand. In this structure, the waste depot, recycler, and manufacturer set the price of non-recycled plastic waste, the price of recycled plastic waste, and the price of final product, respectively.

    Methodology

    The game theory is used to make the decisions under the considered supply chain. It is assumed that the decision power of the manufacturer is more than of the waste depot and recycler. In this setting, Stackelberg game-theoretic model is established in order to specify the prices adopted by the members.

    Findings

    Results indicate that decision powers of the waste depot and recycler have no effect on the price and demand of final product. The profits allocated to the manufacturer are the same when decision powers of the waste depot and recycler are different. Moreover, more the price elasticity of the demand for final product leads to lower profits for the members.

    Originality/Value: 

    Using plastic waste is an effective approach to sustain environment and reduce pollution. In this research, plastic waste is used to produce products such as disposable tableware in a supply chain including manufacturer, recycler and waste depot. The game theory approach is also used to make decisions. To our knowledge, the idea of applying the game theory to use plastic waste in production of products under the considered supply chain has been raised for the first time in the literature.

    Keywords: Supply chain management, pricing, Decision-making, game theory, Recycling}
  • Kasra Ghafori *
    The steel industry is a whole industry worldwide and a fundamental industry sector in the national economy. It is undeniable that raw materials are an essential part of a steel company's operations. Therefore, steel companies require reliable and valid raw material suppliers. One of the strategic activities of supply chain management is selecting suitable suppliers. Supplier selection (SS) is a multi-criteria decision-making process and requires a comprehensive evaluation process, often under uncertain conditions. While the application of MCDM tools is continuously growing in the SS literature, these tools can not cope with future or environmental uncertainty. The matrix approach to robustness analysis as a method capable of covering this type of uncertainty has a fundamental weakness; This approach uses only one criterion to check the performance of alternatives. This point has been considered in this study. For this purpose, a study has been conducted in a steel manufacturing company to choose the most suitable supplier among the four. Based on the proposed approach, problem owners defined future scenarios by considering different states of economic, social, and environmental variables. Then, the performance of the suppliers was judged by experts according to the cost, quality, time, supply security, and capacity criteria in the form of future scenarios. Finally, we placed the average performance of the suppliers in the five criteria in the decision matrix and prioritized them. The results showed that supplier A3 is the best option.
    Keywords: Supplier selection, steel industry, decision-making, Soft Approach, Uncertainty}
  • Elham Shadkam *, Mahdiyar Cheraghchi
    One of the stages of crisis management is planning and initial preparation to deal with the crisis. During natural disasters, one of the main activities is the logistics of relief groups and the activities of relief teams to save the lives of the victims of the accident. A review of past events shows that the chances of rescuing the injured decrease and that a quick and correct decision is important in this situation. This paper presents a two-phase hybrid approach to decision-making and prioritization of affected regions to send relief teams. In this approach, multi-criteria decision-making methods in two phases are used to consider different indicators in achieving the optimal solution. In the first phase, with the help of the primary decision matrix, the AHP, TOPSIS and AHP-TOPSIS methods are used. And in the second phase, according to the results obtained from the first phase, the secondary decision matrix is created. With the CoCoSo method's help, one of the newest methods in this field, areas are prioritized for relief. In order to implement the proposed approach, the city of Amol has been studied.
    Keywords: crisis logistics, Decision Making, crisis management, relief}
  • سید احمد عدالت پناه*
    هدف

    طراحی مدل/رویکرد مناسب برای مسیله تصمیم گیری (به ویژه تصمیم های استراتژیک) در فضایی که با پیچیدگی و عدم قطعیت همراه است همواره یکی از اهداف پژوهش گران بوده است. هدف این پژوهش نیز پیشنهاد رویکردی است که قادر باشد ضمن در نظر گرفتن ابعاد فوق، پاسخ مناسبی برای چالش انتخاب گزینه برتر در رویکرد ماتریسی تحلیل استواری ارایه دهد.

    روش شناسی پژوهش

    در این پژوهش، با تبدیل درایه های ماتریس تصمیم تحلیل استواری به عناصر فازی مردد و با استفاده از تابع امتیاز، گزینه برتر شناسایی می شود.

    یافته ها

    پیاده سازی رویکرد پیشنهادی در چهار مسیله مختلف که در پژوهش های پیشین با چالش انتخاب گزینه برتر مواجه شده بودند نشان داد با بهره گیری از عناصر فازی مردد می توان به پاسخ مناسب تری دست یافت.

    اصالت/ارزش افزوده علمی

     توسعه رویکرد ماتریسی تحلیل استواری به منظور برطرف کردن مسیله انتخاب استراتژی در شرایط برابری میزان استواری گزینه ها.

    کلید واژگان: انتخاب استراتژی, تحلیل استواری, تصمیم گیری, مجموعه فازی مردد, عدم قطعیت}
    Seyyed Ahmad Edalatpanah *
    Purpose

    Designing an appropriate model/approach for decision-making (incredibly strategic decisions) in a complex and uncertain environment has always been one of the researchers' goals. This study proposes a method that can consider the above dimensions and provide a suitable answer to the challenge of choosing the best option in the Matrix Approach to Robustness Analysis.

    Methodology

    In this research, the superior option is identified by converting the matrix elements of the robustness analysis into hesitant fuzzy elements and using the score function.

    Findings

    Implementation of the proposed approach in four different problems that in previous studies faced with the challenge of choosing the best option showed that a more appropriate answer could be achieved using hesitant fuzzy elements.

    Originality/Value

     Developing the matrix approach to robustness analysis to solve the problem of choosing a strategy regarding equal stability of options.

    Keywords: Strategy selection, Robustness analysis, Decision-making, Hesitant fuzzy sets, Uncertainty}
  • Hasan Hosseini Nasab *, Mahdi Tavana Chehartaghi
    Competitive advantage in features, number of branches, or location of any company enables it to provide better services to customers than competitors. In this article, the issue of location in a situation where competitors can decide based on competitor conditions to maximize their profits is examined. First, based on the conditions and characteristics of each competitor, including the number of branches and budget limit, the performance range of each competitor is determined as the radius of effect. Two mathematical formulas are presented for the player and using the concepts of game theory, each player's market share in the competitive environment is determined to earn maximum profit. To solve the problem, first, the initial answers were obtained through the ant colony algorithm, then these answers were entered as input to the Simulated Annealing algorithm, which has a high speed to obtain the answer. The models developed for the two supermarkets have been evaluated and the results have been approved by experts.
    Keywords: competitive location-routing problem, Competitive environment, simultaneous game, Decision Making}
  • Liudmyla Bezuhla, Iryna Koshkalda *, Iryna Perevozova, Serhii Kasian, Hrechanyk Nataliia

    Tourists are getting more aware of the environment. To determine the effectiveness of eco-tourism infrastructure management, the motivation and segmentation of demand for eco-tourism have been analysed using functional theory as a guide. The empirical analysis was conducted in the Dnipro, Zaporizhzhia, and Kherson regions. 382 surveys were obtained by random sampling. To make the data analysis, factor analysis and non-hierarchical segmentation were performed. The results indicate that there are several eco-tourism motivational aspects including self-development, interpersonal relationships, defence functions, building personal relationships, reward, and appreciation from nature. Three different segments of eco-tourists were also identified based on their motives related to nature, reward, and escape. Characteristics of different segments were also specified. This study will help government agencies and private companies improve their travel content and develop more effective marketing plans. The research has shown that in most cases, the success of any project is in cooperation between NGOs, locals, authorities, and the private sector. The optimal level of local participation is determined by the specifics and scale of each project, which may focus on individual villages or several communities that experience any impact of tourism. The economic essence of the concept of tourism motivation has been improved, which is defined as a set of needs that affect a person in the process of participation in tourism activities and are a central factor in the decision-making process. Studying the most important motivations of eco-tourists in the region, three groups of motives have been identified: cultural and educational activities, proximity to nature, health and rehabilitation measures.

    Keywords: Marketing management, tourism motivation, eco-tourism infrastructure, decision-making, eco-tourists}
  • Vahid Mottaghi, Mahdi Esmaeili *, Ghasem Ali Bazaee, Mohammadali Afshar Kazemi

    With the increase of news on social networks, a way to identify fake news has become an essential matter. Classification is a fundamental task in natural language processing (NLP). Convolutional neural network (CNN), as a popular deep learning model, has shown remarkable success in the task of fake news classification. In this paper, new baseline models were studied for fake news classification using CNN. In these models, documents are fed to the network as a 3-dimensional tensor representation to provide sentence-level analysis. Applying such a method enables the models to take advantage of the positional information of the sentences in the texts. Besides, analyzing adjacent sentences allows extracting additional features. The proposed models were compared with the state-of-the-art models using a collection of real and fake news extracted from Twitter about covid-19, and the fusion layer was used as the decision layer in selecting the best feature. The results showed that the proposed models had better performance, particularly in these documents, and the results were obtained with 97.33% accuracy for classification on Covid-19 after reviewing the evaluation criteria of the proposed decision system model.

    Keywords: Fake News, Text Classification, Decision-making, Deep Learning, convolutional neural network, Natural Language Processing}
  • Parviz Banafshi, Soleyman Iranzadeh *, Houshang Taghizadeh

    The business process turbulence and the increasing competition among business firms have made the environment around organizations much different than before. Knowing the future business paths and moving in their direction in a way that benefits the organization indicates the necessity of marketing research and concepts such as market-centric. This study aims to evaluate the impact of market-centric on organizational performance by emphasizing the mediating role of organizational innovation in the value chain and provide a model for it. This research is a descriptive-survey study. Confirmatory Factor Analysis (CFA) technique has been used to evaluate the significance of regression weight (factor loading) of different constructs of the questionnaire in predicting the relevant items. LISREL statistical analysis software has been used to test the research hypotheses and analysis of structural equations. The statistical population of the study is all managers and employees working in the value chain of poultry industry in Kurdistan province, which 205 samples have been selected based on Cochran's formula. The results of data analysis indicate that the relationship between customer-centric and inter-task coordination with organizational innovation as well as the relationship between pivotal competition and organizational innovation with the financial performance of the organization was confirmed. There is no significant relationship between pivotal competition and organizational innovation, as well as between customer-centric and inter-task coordination with financial performance of the organization. Finally, some suggestions have been made to improve the performance of the poultry industry.

    Keywords: Market-centric, Innovation, organizational performance, Value chain, Decision-making}
  • Shahla Jahangiri, Milad Abolghasemian, Adel Pourghader Chobar *, Ahmadreza Nadaffard, Vahid Mottaghi

    China introduces a new strain of coronavirus as a causative of a new respiratory disease after several people contracted an unusual pneumonia in December 2019. The World Health Organization stated that the outbreak of the virus resulted in public health emergencies around the world. Humanitarian supply chain management is concerned with managing the efficient flow of aid materials, information and services and aim to reduce the impact of disaster on human lives. In this paper, provides a ranking for key resources in the humanitarian supply chain in the emergency department of Iranian hospital using hybrid decision-making method under COVID-19 conditions. According to the obtain results, nurses in RK 1, receptionists RK 2, general surgeon RK 3, heart residents RK 4 and pulmonologist RK 5. Hybrid decision-making method in this paper is an invaluable contribution to the emergency department and medical managers for evaluates of current situation Emergency Department when crisis occur.

    Keywords: humanitarian supply chain, Decision-making, Emergency Department}
  • روح الله کیانی قلعه نو*

    در دهه اخیر روش های تصمیم گیری چند معیاره کاربرد قابل توجهی برای ارزیابی واحدهای متعدد با شرح وظایف مشابه داشته است. یکی از روش های پرکاربرد که بر پایه مبانی ریاضی بنا شده است، روش تاپسیس می باشد. به جهت آن که سازوکار رتبه بندی در روش تاپسیس بر مبنای فاصله سنجی عملکرد از ایده آل مثبت و ایده آل منفی می باشد و وجود داده های دورافتاده [1] می تواند تاثیر منفی روی محاسبات بگذارد، در این پژوهش اصلاح روش تاپسیس به گونه ای که بتواند داده های پرت را کنترل نماید در دستور کار قرار گرفته و الگوریتم اصلاح شده برای روش تاپسیس، معرفی شده است. با هدف اعتبارسنجی الگوریتم ارایه شده، عملکرد 1951 شعبه بانک کشاورزی در بخش مطالعه موردی، مورد ارزیابی قرار گرفت و نتایج با روش استاندارد تاپسیس مقایسه شده است. محاسبه روش تاپسیس اصلاح شده با در نظر گرفتن ضرایب مختلف کنترل پراکندگی داده ها و بررسی ضرایب همبستگی نشان می دهد که روش تاپسیس اصلاح شده توانسته به خوبی داده های دورافتاده را کنترل نماید. 

    کلید واژگان: تصمیم گیری, تکنیک تاپسیس, داده دور افتاده, بانک, ارزیابی}
    Rouhollah Kiani Ghaleh No *

    In the last decade, multi-criteria decision making methods have been used extensively to evaluate multiple units with similar task descriptions. One of the most widely used methods, which is based on mathematical principles, is the TOPSIS method. ranking mechanism in TOPSIS method based on performance distance measurement is from positive ideal and negative ideal and the existence of Outlier-data can have a negative impact on the calculations. in this study the modification of TOPSIS method so that Be able to control Outlier-data, is on the agenda. For this purpose modified algorithm TOPSIS method is introduced. With the aim of validating the proposed algorithm, the performance of 1951 branches of agri-Bank in the case study section has been evaluated and the results have been compared with the standard TOPSIS method. Calculation of the modified TOPSIS method by considering different coefficients of data scatter control and examination of the correlation coefficients show that the modified TOPSIS method has been able to control Outlier data well.

    Keywords: Decision Making, TOPSIS Technique, Outlier data (throw), Bank, evaluation}
  • Somayeh Allahyari, Saeed Yaghoubi *, Mohammad Fathian
    The proper location of facilities /service providers is of paramount importance in the business success of several economy sectors for the sake of its effects on the service demand and hence on the market share. A vital problem resulted from modernization, urbanization, and globalization is the reconfiguration of branch locations and service capabilities to match the fast-changing and competitive market, regional economy, and customer distribution. This work introduces a new spatial decision support methodology to restructure branches' network with proposing a mathematical model taken from a real national project in the financial market. It considers establishing the new branches, relocating the current branches, merging the redundant branches, or ones with poor performance into the other branches. Moreover, a credibility-based fuzzy chance-constrained programming model is proposed to consider uncertainty in travel distances and market attractiveness of each node. The data and results are processed using the geographical information system (GIS) for Bank Melli in an urban district of Tehran.
    Keywords: Branch restructuring problem, Facility location, Decision Making, Geographical information system, Fuzzy mathematical programming}
  • Pranjal Talukdar *, Soumendra Goala, Palash Dutta, Bulendra Limboo
    Decision making is becoming one of the most vast research fields in medical science. Since last few years, the role of distance measure utilizing fuzzy sets in decision science has been significantly increased. A lot of studies have been carried out form the field of fuzzy decision making using distance measures. In this paper, Linguistic Pythagorean fuzzy sets have been utilized medical diagnosis problem. In addition, a novel distance measure on Linguistic Pythagorean fuzzy sets has been introduced and utilized in a fuzzy MCDM approach. Also, a case study is carried out in real data sets to show the usability and reliability of our proposed distance measure
    Keywords: Intuitionistic fuzzy set, Decision Making, Distance Measure, Medical diagnosis}
  • Sajed Rastbin, Mehrdad Gholami Shahbandi, Pouya Soudmand *
    Fast growth of motorized transportation infrastructures in the cities is a consequence of the urbanization process. Despite the undeniable benefits of the developments, some unwelcome social-environmental damages have been occurred. On top of the list, the movements of the pedestrians and their participation in social activities have dramatically reduced as a result of the vehicles dominancy. Pedestrianization and walking-friendly schemes are the key answer to preserve the valuable element of the urban lifestyle. This need motivated the researchers to study and propose mathematical methods to model the dynamics and behavior of the pedestrians in response to their surroundings. However, most of the models in the literature are suitable for limited small-size area and cannot be applied for a large scale urban zone. In this paper, a fuzzy macroscopic pedestrian assignment model is proposed which is applicable for a large scale network and useful for urban master plans as a decision making framework. In addition, a bi-level mixed integer programming model is presented to optimize the pedestrian walking network via selecting some projects on the network, considering the behavior of the pedestrians. Finally, the problem is solved for a large scale pedestrian network in the city of Tehran. The results show the efficiency of the algorithm where spending half of the maximum possible cost has led to a welfare gain of 82.6 percent. The problem was efficiently solved within 12.5 days which is fairly acceptable for the strategic planning of such a large scale network. The numerical results verify the necessity of the model for urban master plan horizon.
    Keywords: pedestrian modeling, Bi-level programming, Decision Making, Fuzzy logic, NSGA-II}
  • Mostafa Zandieh *, SeyedYasser Shariat, Masoud Rabieh, Majid Tootooni

    The purpose of this paper is to develop a new framework for strategic decision making in a turbulent environment via a dynamic sustainability balanced scorecard (BSC). Environmental factors are selected by fuzzy TOPSIS method and added to a dynamic model of BSC for a company. The decision-making model is proposed in three main scenarios: Optimistic (economic growth scenario), Realistic (average long term economic situation) and Pessimistic (continuity of current sanctions situation scenario) and two internal policies: Production maximization is the first internal policy and Productivity maximization is the second internal policy. The model is separately simulated in each scenario and policy, with the dynamic BSC model and every main aspect of the organization is analyzed with the majority of profit-making and its sustainability. The results show that a different policy is preferred in each scenario, which can help strategic managers for the decision-making process in uncertain and turbulent environments. Due to the increasing complexity of organizations in the competitive environment, it is necessary to propose performance evaluation models. The Balanced Scorecard (BSC) model is one of the most commonly used models for enterprise performance assessment that can be significantly adapted to environmental conditions. This research is novel because the environmental factors are added to a dynamic model of BSC for a company that has been encompassed with a turbulent economic, political and social environment within last years.

    Keywords: Decision Making, Environmental management, Measurement, Sustainability, system dynamics}
  • Sh. Haldar *, Ch. Karmaker, Sk. Hossain
    Nowadays, the supply chain has become a buzzword in the business field. Only the supply chain can help to lead a business in an organized way. However, in a supermarket, the supply chain is very important, but it needs to ensure better communication with supplier, customer, and internal management too. Each factor of the supply chain has a good effect on itself. The purpose of this research is to explore the important supermarket supply chain factors found in the literature and from supply chain experts and to develop a framework which can help to arrange the criteria in a sequence from most important to the worst by considering each sector of the supply chain. This paper has studied one of the supermarkets in Bangladesh namely Save ‘n’ Safe. Authors have taken FAHP, one of the tools of MCDM, to figure out the most effective factors. The result reveals that the managing inventory, internal information sharing, and accurate demand forecasting are the most affected factors for the Save ‘n’ Safe (a supermarket). Finally, some recommendations have been given to improve the existing situation. This study can be used not only in the other supermarkets but also in any other retail or grocery shops.
    Keywords: Supply chain, FAHP, supermarket, Decision Making}
  • هادی مختاری، عباس افتخاری، محمد جوادی
    سرمایه گذاری در پروژه های معدنی با توجه به محدودیت سرمایه و نیاز به سرمایه گذاری اولیه زیاد یکی از مهم ترین تصمیماتی است که بایستی توسط مدیران بخش معدن اخذ شود. پارامترهای مختلفی که در بعضی موارد در تضاد با یکدیگر هستند بر روی این تصمیم گیری تاثیرگذار است. در این تحقیق با در نظر گرفتن چهار معیار سرمایه گذاری اولیه، هزینه تولید، سود و نیروی انسانی بعنوان مهم ترین معیارهای تصمیم گیری موثر بر روی موضوع سرمایه گذاری در بخش معدن، انتخاب سرمایه گذاری این بخش از میان هشت معدن مدلسازی شده است. بدین منظور از روش برنامه ریزی آرمانی به عنوان کارآمدترین تکنیک برنامه ریزی چند معیاره و چندهدفه استفاده شده است. با توجه به مبهم بودن میزان تاثیر پارامترهای مورد استفاده در این فرایند تصمیم گیری و اختلاف نظر افراد مختلف در این زمینه، در این تحقیق از روش تحلیل سلسله مراتبی فازی به منظور وزن دهی به معیارها استفاده شده است.
    کلید واژگان: سرمایه گذاری, تصمیم گیری, برنامه ریزی آرمانی, معادن}
    Hadi Mokhtari, Abbas Eftekhari, Mohammad Javadi
    In mining projects, due to capital constraints and need for high initial investment, prioritizing the investments is one of the most important decisions that should be taken by the managers. Various parameters have effect on this decision which some of them are in conflict with each other. In this study, four parameters have been taken into account as the most important criteria on investment in mining namely initial investment, production cost, profit and staffing . Then, prioritization of investments among the eight mining projects has been modeled. For this purpose, the goal programming method as an efficient multi criteria and objective technique has been used. Owing to the uncertainty in effect of the parameters and for considering the variety of different decision makers, fuzzy Analytical Hierarchy Process is used to weighting the criteria.
    Keywords: Mining Engineering, Investment, Decision Making, Goal Programming}
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