Delay-Sensitive Task Assignment for Spatial Crowdsourcing

Table 1

A comparison of related workers.

References	Objectives	For requester	For worker	Year
[5]	Minimize the travel cost of workers; minimize the number of workers selected	✓	✗	2017
[11]	Maximize task assignment and minimize the remaining time	✓	✗	2019
[9]	Maximize task assignment	✓	✗	2012
[12]	Optimize the workers’ familiarity and the recruitment cost	✓	✗	2021
[13]	Minimize the unfairness and maximize the reward earned by workers	✗	✓	2020
[14]	Maximize the quality of the returned result	✓	✗	2016
[20]	Maximize the assigned task coverage and minimize the incentive cost simultaneously	✓	✗	2018
[16]	Maximize task reliability and minimize travel costs	✓	✓	2016
[15]	Maximize the quality of results from workers and improve the task allocation rate.	✓	✗	2018