Department of Computer Science and Information Systems
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Item Intelligent Task Assignment in a Crowdsourcing Platform(Springer, 2018-11) Anand, VijayalakshmiCrowdsourcing is a process of judiciously selecting the right user (worker) from a large pool of online community who could solve the task. The undertaking of jobs by many online users (workers) simultaneously helps solving large-scale computational problems. After completion of the job, monetary reward would be offered to the user who has completed the job satisfactorily or efficiently. The main challenge in crowdsourcing platforms is to assign a task to a user as users are mainly available online and are unknown and unfamiliar to each other. To overcome this challenge, we have proposed a new algorithm for task assignment based on the trustworthiness of online users. Trustworthiness is calculated by using the belief and knowledge values (metrics) of individuals who have shown interest in taking up the task. We have used vector space model to find out that the person is knowledgeable to do the task at hand. The belief value for a user is calculated by using the reputation and the familiarity index of the user on the social media interactions. Tasks would be assigned to all the users whose trust value is above a specific threshold. We have evaluated the proposed algorithm on a social media application that we created for sharing expertise amongst the off-campus faculty colleagues of our university.Item Reputation-Based Reinforcement Algorithm for Motivation in Crowdsourcing Platform(Springer, 2019-07) Anand, VijayalakshmiCrowdsourcing is a well-known model for solving tasks in several organizations in the recent times. While building, the crowdsourcing platform is simple, and its success depends on the amount of individuals taking part in it. We propose a brand new gamification methodology to draw folks to participate within the crowdsourcing platform. Reinforcement algorithm is employed in this gamification method to motivate the people. This reinforcement algorithm can direct a user to participate in some actions that yield maximum reward in a crowdsourcing platform. This gamification technique motivates user to participate in various activities in the crowdsourcing platform. The proposed algorithm is applied on a social media application that has been implemented for faculties to share their research and tutorial experience. We proved that participation of faculties in crowdsourcing platform improved after applying this gamification method.Item Motivation of participants on the crowdsourcing platform using intelligent agents(Research Institute for Intelligent Computer Systems, 2020-03) Anand, VijayalakshmiCrowdsourcing is a model where individuals or organizations receive services from a large group of Internet users including ideas, finances, completing a complex task, etc. Several crowdsourcing websites have failed due to la ck of user participation; hence, the success of crowdsourcing platforms is manifested by the mass of user participation. However, an issue of motivating users to participate in crowdsourcing platform stays challenging. We have proposed a new approach, i.e. , reinforcement learning - based gamification method to motivate users. Gamification has been a practical approach to engaging users in many fields, but still, it needs an improvement in the Crowdsourcing platform. In this paper, the gamification approach is strengthened by a reinforcement learning algorithm. We have created an intelligent agent using the Reinforcement learning algorithm (Q - learning). This agent suggests an optimal action plan that yields maximum reward points to the users for their active pa rticipation in the Crowdsourcing application. Also, its performance is compared with the SARSA algorithm (On - policy learning), which is another Reinforcement learning algorithm.