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| Topic Evolution of Online Reviews for Crowdfunding Campaigns |
Wang Wei1,Gao Ning1,Xu Yuting1,Wang Hongwei2( ) |
1Business School, Huaqiao University, Quanzhou 362021, China
2School of Economics and Management, Tongji University, Shanghai 200092, China |
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Abstract [Objective] This paper reveals the change of uers’ interests in the crowdfunding projects and analyzes the dynamic evolution of their online comments on these projects. [Methods] First, we retrieved 497,936 online comments on 6,537 technology-related projects from Kickstarter as corpus. Then, with the help of LDA model, we analyzed the topic evolution of these comments. Finally, we obtained the dynamic evolution model of the topics with the help of cosine similarity. [Results] In the initial stage of financing, the comments were mainly on basic project information. Then, the comments focused on return of investments and product information. In the final stage, these comments were on the shipping issues. For successful projects, the topics developed from project description to waiting time for products and deliveries. For the failed projects, the comments gradually evolved into the possible relaunch and prospect of a new project. [Limitations] We did not distinguish the project categories, which need to be analyzed in the future. This paper only examined the reward based crowdfunding model, which also needs to be expanded. [Conclusions] This article analyzes reviews of online crowdfunding projects and expands the application of LDA in the field of crowdfunding, which provides practical suggestion for platforms, project sponsors and investors.
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Received: 10 January 2021
Published: 23 November 2021
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| Fund:National Natural Science Foundation of China(72072062);National Natural Science Foundation of China(71771177);Natural Science Foundation of Fujian Province(2020J01782) |
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Corresponding Authors:
Wang Hongwei,ORCID：0000-0003-0814-3498
E-mail: hwwang@tongji.edu.cn
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