Task distribution method considering user heteroplasmy and user preference in crowdsourcing system

A task allocation and heterogeneity technology, applied in the field of crowdsourcing, can solve the problem of unsuitable task allocation, not considering user preferences, not considering user heterogeneity and user preferences, etc.

Inactive Publication Date: 2017-04-19
NORTHWEST UNIV
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Problems solved by technology

[0007] Among the existing allocation strategies, strategy (1) does not consider user heterogeneity and user preference; strategy (2) mainly considers user recruitment in the mobile environment; strategy (3) pays attention to the data quality and budget submitted by users, However, user preferences are not considered; strategy (4) focuses on the uncertainty of user movement and task completion; strategy (5) does not consider budget and user preferences, so these strategies in the prior art are not suitable for the aforementioned tasks distribution problem

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  • Task distribution method considering user heteroplasmy and user preference in crowdsourcing system

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Embodiment Construction

[0040] None of the existing task assignment strategies in crowdsourcing systems address the aforementioned challenges. Most solutions aim at maximizing the utility of task issuers without considering users' preferences for different tasks. Some algorithms have been proposed to minimize the total cost of the task issuer as the optimization goal, but it may exceed the budget limit of a single task. Many-to-one matching mechanisms have been widely used in computer science for resource management in cloud computing, user federation in low-power wireless access nodes or base stations, and resource sharing in D2D communication systems. However, the task assignment problem in the crowdsourcing system is different from the traditional matching problem, that is, the well-known college entrance examination application and university admissions problem. Each student can only be admitted to one university, and each university can enroll many students, but the number of enrollment restric...

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Abstract

The invention discloses a task distribution method considering user heteroplasmy and user preference in a crowdsourcing system; the method considers task budget, user heteroplasmy and user preference, and uses a multi-to-one matching mechanism to find the best user-task match; the core of the method is that in the whole algorithm operation process, quality sum non-reduction of each task can be completed; the method provides a novel distribution thinking and specific scheme for the crowdsourcing system, thus solving the problems that an existing crowdsourcing system task distribution strategy cannot consider user heteroplasmy and user preference; the matching result by the algorithm has individual rationality and fairness, and has no wasteness.

Description

technical field [0001] The invention relates to the technical field of crowdsourcing, in particular to a task assignment method in a crowdsourcing system that takes into account user heterogeneity and user preference. Background technique [0002] With the advancement of globalization, many network platforms have emerged as the times require, and the group power of the network has exploded with unprecedented influence. The diverse knowledge background and collaboration concept in the group provide a source of strength for the successful completion of large-scale tasks. "Creating value with users" is the core of the crowdsourcing system. Crowdsourcing can reduce costs and improve efficiency. In the crowdsourcing system, there is great potential for cross-professional innovation and cooperation, which can achieve a win-win situation for both task issuers and task participants. Using the group power of the Internet, crowdsourcing can accomplish difficult problems that cannot b...

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Application Information

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IPC IPC(8): G06Q10/06
CPCG06Q10/06311
Inventor 尹小燕贾茹昭胡潇王倩倩王薇陈晓江房鼎益
Owner NORTHWEST UNIV
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