ABSTRACT More than 10 years have passed since the coining of the term volunteered geographic information (VGI) in 2007. This article presents the results of a review of the literature concerning VGI. A total of 346 articles published in 24 international refereed journals in GIScience between 2007 and 2017 have been reviewed. The review has uncovered varying levels of popularity of VGI research over space and time, and varying interests in various sources of VGI (e.g. OpenStreetMap) and VGI-related terms (e.g. user-generated content) that point to the multi-perspective nature of VGI. Content-wise, using latent Dirichlet allocation (LDA), this study has extracted 50 specific research topics pertinent to VGI. The 50 topics have been subsequently clustered into 13 intermediate topics and three overarching themes to allow a hierarchical topic review. The overarching VGI research themes include (1) VGI contributions and contributors, (2) main fields applying VGI, and (3) conceptions and envisions. The review of the articles under the three themes has revealed the progress and the points that demand attention regarding the individual topics. This article also discusses the areas that the existing research has not yet adequately explored and proposes an agenda for potential future research endeavors.

中文翻译：

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第一个十年的志愿地理信息研究：对 GIScience 期刊文章的叙述性评论

摘要 自 2007 年创造志愿地理信息 (VGI) 一词以来，已经过去了 10 多年。本文介绍了有关 VGI 的文献综述的结果。2007-2017年在GIScience 24种国际权威期刊发表的论文共346篇。该评论揭示了 VGI 研究在空间和时间上的不同流行程度，以及对 VGI 的各种来源（例如 OpenStreetMap）和 VGI 相关术语（例如用户生成的内容）的不同兴趣，这表明 VGI 的多视角性质. 在内容方面，本研究使用潜在狄利克雷分配 (LDA)，提取了 50 个与 VGI 相关的特定研究主题。随后将 50 个主题分为 13 个中间主题和三个总体主题，以便对主题进行分层审查。总体 VGI 研究主题包括 (1) VGI 贡献和贡献者，(2) 应用 VGI 的主要领域，以及 (3) 概念和设想。对三个主题下的文章进行审查，揭示了各个主题的进展和需要注意的地方。本文还讨论了现有研究尚未充分探索的领域，并为未来潜在的研究工作提出了议程。