“…We make use of patent repositories to reach a better understanding of the public security aspects of smart cities, using data scraping and machine learning to process our initial list of 67,130 patents, which was reduced to a final list of 5,989 patents that were identified, with high probability, as directly related to smart cities, and that were filed in China. The process of scraping and machine learning is refined and analysed for quality purposes by a 'human in the loop' to remove false positive search results caused by colliding terms that match different search topics (Hinsley et al, 2023).…”