Crowdsourcing Task Assignment Mechanism Based on Employer Net Profit and Employee Satisfaction

Li Juan () and Zhang Yu ()
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Li Juan: School of Economics and Management, University of Chinese Academy of Sciences, Beijing100190, China
Zhang Yu: Guangzhou Yihe Group Company Limited, Guangzhou510925, China

Journal of Systems Science and Information, 2021, vol. 9, issue 4, 440-454

Abstract: Crowdsourcing task assignment has become an important task assignment model in the Internet economy era. In this paper, we study the crowdsourcing task assignment problem based on employer net profit and employee satisfaction. First, the reliability and interest of employees are modeled, based on which the mathematical expressions for employer net profit and employee satisfaction are given. Then, a multi-objective optimization problem is formulated to maximize employer net profit and employee satisfaction by jointly optimizing the task assignment matrix and task offer vector. Since the considered problem contains discrete variables, it cannot be solved directly by traditional optimization methods. Therefore, two low-complexity high-performance algorithms are proposed. The first algorithm is based on a fast non-dominated ranking genetic algorithm with an elite, which is able to explore the Pareto bound of the considered problem. The second algorithm is based on a reinforcement learning framework, which is able to maximize the weighted sum of employer net profit and employee satisfaction. Numerical results show that the number of tasks assigned to employees affects both employee satisfaction and employer net profit. The Pareto bounds and Pareto optimal solutions based on the solutions of the two proposed algorithms are also presented numerically, which quantitatively characterize the tradeoff between employer net profit and employee satisfaction.

Keywords: crowdsourcing task assignment; satisfaction; reliability; interest (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:bpj:jossai:v:9:y:2021:i:4:p:440-454:n:4

DOI: 10.21078/JSSI-2021-440-15

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