In scientific research, reproducibility and replicability are requirements to ensure the advancement of our body of knowledge. This holds true also for VGI-related research and studies. However, the characteristicsof VGI suggest particular difficulties inensuring reproducibility and replicability. In this paper,we aim to examine the current situation in VGI-related research,and identify strategies to ensure realization of its full potential. To do so, we first investigatethe different aspects of reproducibility and replicability and their impact on VGI-related research. These impacts are different depending on the objectivesof the study. Therefore, we examine the studyfocus of VGI-related research to assess the current body of researchand structure our assessment. This work isbasedon a rigorous review of the elements of reproducibility and a systematic mapping and analysis of 58papers on the use of VGI in the crisis management field. Results of our investigation show that reproducibility issues related to data are a seriousconcern, while reproducibility issues related to analysis methods and processes face fewer challenges. However, since most studies still focus on analyzing the source data, reproducibility and replicability are still an unsolved problemin VGI-related research. Therefore, we show initiativestackling the problem, and finally formulate strategies to improve the situation
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