List of Articles Game Theory

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  1 - A game theoretic approach to offshore outsourcing In competitive manufacturing context
  Mohammad soori
  The crucial role of outsourcing in manufacturing and production activities has placed this at the top of the decision makers. This research examines the issue of outsourcing in the form of a trilateral game, taking into account factors influencing outsourcing decisions, More

  The crucial role of outsourcing in manufacturing and production activities has placed this at the top of the decision makers. This research examines the issue of outsourcing in the form of a trilateral game, taking into account factors influencing outsourcing decisions, including environmental costs, customs duties, taxes and costs. The government, the company's manufacturer, and the company's supplier of players make up the game. The issue is formulated in the form of a nonlinear three-level plan. Considering the NP-hardness of the problem, first, without compromising its nature, it became a non-linear three-level programming problem and was solved by introducing an innovative method. Then a numerical example is presented with data from the real world. The results of the study indicate that the game has the advantage of stalking the game and significantly reduces government expenses. Manuscript profile
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  2 - Incentive reward mechanism for Participants to the human computing system of Intrusion Detection Based on Game Theory
  yahya lormohammad hasani esfandghe majid ghayori
  Despite the tremendous advances in the design of human computing systems, most of them suffer from low participation or poor quality participation and a high percentage of them fail. To a large extent, the success of these systems depends on people who really behave in More

  Despite the tremendous advances in the design of human computing systems, most of them suffer from low participation or poor quality participation and a high percentage of them fail. To a large extent, the success of these systems depends on people who really behave in the system. Because human computing systems include small units of work, and each job yields little benefit to the participants, humans display a good behavior in the system if they are well-stimulated for doing so. In this paper, this issue investigated in the Intrusion Detection Human Computation system. Our purpose of creating the stimulus for increasing of employee participation is to do their jobs carefully and effortlessly with the lowest possible cost. After selecting the appropriate stimuli for this system, we designed the mechanism of rewarding incentives. The idea behind this mechanism is to use the skill of the staff in determining their rewards. After designing this mechanism, we used the theory of games to analyze and determine the game's balance. Then, we determine the minimum possible reward for each category of work using the results obtained from the mechanism analysis based on game theory. We validate of this mechanism using game theory and the results of implementation. Designing this mechanism will increase the accuracy of respondents in answering and as a result, increase the accuracy of the human intelligence detection system in identifying new attacks and reducing their erroneous alert rates. Also, by allocating the lowest financial resources required to employees based on the analysis obtained from the game theory and managing human computing system of Intrusion Detection, encourages participants to participate in the system and, as a result, prevent the failure of the human computing system of intrusion detection. Manuscript profile
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  3 - A Game Theory Based Dynamic Transmission Opportunity Adjustment in WLANs
  Mahdieh Ghazvini Kamal Jamshidi Naser Movahedinia
  10.7508/jist.2019.01.002
  IEEE 802.11e is standardized to enhance real time multimedia applications’ quality of service (QoS). This standard introduces two access mechanisms called Enhanced distributed channel access (EDCA) and HCF Controlled Channel Access (HCCA) as well as four Access Categor More

  IEEE 802.11e is standardized to enhance real time multimedia applications’ quality of service (QoS). This standard introduces two access mechanisms called Enhanced distributed channel access (EDCA) and HCF Controlled Channel Access (HCCA) as well as four Access Categories (ACs) for different types of applications. Each AC has four adjustable parameters : Arbitrary Inter-Frame Space Number(AIFSN), minimum Size of Contention Window(CWmin), maximum size of Contention Window (CWmax), and TXOP_limit. A TXOP_limit (TXOP) is time interval, in which a wireless station can transmit a number of frames consecutively, without releasing the channel and any further contention with other wireless stations. TXOP improves network throughput as well as service differentiation. Proper TXOP adjustment can lead to better bandwidth utilization and QoS provisioning. This paper studies the determination of TXOP in EDCA mode of IEEE 802.11e using a game theory based approach called GDTXOP. Based on GDTXOP, each wireless node chooses its appropriate TXOP according to its queue length and media access delay. OPNET simulator simulated the proposed method and its accuracy is evaluated and verified. The results of the simulation indicate that tuning TXOP appropriately improves both channel utilization for all levels of traffic priority and fairness. This improvement does not impair the quality of high-priority traffics. The proposed approach improves channel utilization, while preserving fairness and efficiency in WLANs and minimizing selfishness behaviours of stations in a distributed environment. Simulation results show the proposed method improves fairness while not disrupting the quality of service. Manuscript profile
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  4 - Cooperative Game Approach for Mobile Primary User Localization Based on Compressive Sensing in Multi-antenna Cognitive Sensor Networks
  Maryam Najimi
  10.7508/jist.2019.02.005
  In this paper, the problem of joint energy efficient spectrum sensing and determining the mobile primary user location is proposed based on compressive sensing in cognitive sensor networks. By utilizing compressive sensing, the ratio of measurements for the sensing node More

  In this paper, the problem of joint energy efficient spectrum sensing and determining the mobile primary user location is proposed based on compressive sensing in cognitive sensor networks. By utilizing compressive sensing, the ratio of measurements for the sensing nodes are considerably reduced. Therefore, energy consumption is improved significantly in spectrum sensing. The multi-antenna sensors is also considered to save more energy. On the other hand, multi-antenna sensor utilization is a proper solution instead of applying more sensors. The problem is formulated to maximize the network lifetime and find the mobile primary user position by sensors selection under the detection performance and accuracy of localization constraints. For this purpose, a cooperative game is proposed to study this problem. It is shown that with the proposed game, the network lifetime is maximized while the proper sensors which participate in spectrum sensing and primary user localization are determined. Simulation results show that the network lifetime is improved while the detection performance constraint is satisfied and the location of the primary user is determined with high accuracy. Manuscript profile
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  5 - A New Game Theory-Based Algorithm for Target Coverage in Directional Sensor Networks
  Elham Golrasan marzieh varposhti
  10.52547/jist.9.34.103
  One of the challenging problems in directional sensor networks is maximizing target coverage while minimizing the amount of energy consumption. Considering the high redundancy in dense directional sensor networks, it is possible to preserve energy and enhance coverage q More

  One of the challenging problems in directional sensor networks is maximizing target coverage while minimizing the amount of energy consumption. Considering the high redundancy in dense directional sensor networks, it is possible to preserve energy and enhance coverage quality by turning off redundant sensors and adjusting the direction of the active sensor nodes. In this paper, we address the problem of maximizing network lifetime with adjustable ranges (MNLAR) and propose a new game theory-based algorithm in which sensor nodes try to adjust their working direction and sensing range in a distributed manner to achieve the desired coverage. For this purpose, we formulate this problem as a multiplayer repeated game in which each sensor as a player tries to maximize its utility function which is designed to capture the tradeoff between target coverage and energy consumption. To achieve an efficient action profile, we present a distributed payoff-based learning algorithm. The performance of the proposed algorithm is evaluated via simulations and compared to some existing methods. The simulation results demonstrate the performance of the proposed algorithm and its superiority over previous approaches in terms of network lifetime. Manuscript profile
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  6 - Justice Based on Emerged Conventions: A Critical Analysis of Skyrms’ Idea of Social Contract
       
  Last two decades، some philosophers of social sciences and economists showed their interest in evolutionary explanations of Justice. Brian Skyrms is one of great contributor of these explanations. His two major works، Evolution of the social contract (1996) and stag hu More

  Last two decades، some philosophers of social sciences and economists showed their interest in evolutionary explanations of Justice. Brian Skyrms is one of great contributor of these explanations. His two major works، Evolution of the social contract (1996) and stag hunt and evolution of social structure (2004)، are attempting to lay such explanations of justice by evolutionary game theory. The purpose of this paper is to present and evaluate the analytical framework and foundations of Skyrms’ idea. Accordingly، the paper، based on theoretical and analytical method، finds basic building blocks of Skyrms’ account of the social contract and then examines those foundations. Research findings show that skyrms seeks to naturalization of concepts such as justice; Project that meet with shortcomings such positive conception of values and inner inconsistency. Manuscript profile
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  7 - Ranking Knowledge Based Companies in Incubators by EFQM Indicators
  Meysam Jafari Eskandari Alireza Ali Ahmadi Gholamhosein Khaleghi Mohammad Hasan Kamfirouzy
  Today performance evaluation is counted as one of the important and major process in organizations. Companies allocate some resources annually for this work. Performance evaluation in strategic planning process plays a key role, first: for environmental analysis and sec More

  Today performance evaluation is counted as one of the important and major process in organizations. Companies allocate some resources annually for this work. Performance evaluation in strategic planning process plays a key role, first: for environmental analysis and second: as feedback at the end of plan for correction. In this paper we decide to rank some knowledge based companies in one of the incubators based on EFQM indicators. This will be done by multi criteria decision making (MCDM) methods. The purposed method can deal with uncertainty well. Besides, using Game theory will make this model more flexible. Based on this, we try to control the environmental uncertainty with use of Grey time series and cooperative games and based on Frequentist school approach. Therefore we gathered expert's opinion at six time periods based on three parameter interval Grey numbers and we obtained the parameters of decision table within weighting to every time period by cooperative games. The used criteria are the criteria which are introduced in EFQM model. Then we rank companies with implementation of combination of Bulls-eye weighting method and Grey-numerical taxonomy method. In this ranking, companies, No. 1, 3 and 2 gained first, second and third rank by order which their Fi were 0.389, 0.463 and 0.523 by order. Also results of social and processes are known as the vital criteria by weights 0.161 and 0.153 orderly. Manuscript profile
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  8 - Cooperative pricing and advertisement for a bi-level supply chain using the game theory approach
   
  This paper examines the co-ordination of pricing and advertisement decisions in a bi-level supply chain. The game theory approach is used to model the pricing, the size of the economic order, the retail sales and constructive sales decisions. Three game scenarios are de More

  This paper examines the co-ordination of pricing and advertisement decisions in a bi-level supply chain. The game theory approach is used to model the pricing, the size of the economic order, the retail sales and constructive sales decisions. Three game scenarios are designed based on the model of the newspaper sales man: 1) The Stackelberg game where the manufacturer of the leading role and retailer as a follower, 2) the Nash game where the manufacturer and retailer have the same market power and 3) Full cooperation game where the manufacturer and retailer take the best decisions. In cooperative situation, we will impose an increase in the cost of advertising on the chain rather than a decentralized chain, but it leads to increased profits and increased customer satisfaction, which means a win-win decision-making system for the supply chain managers and customers. Manuscript profile