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Large-scale Weibo check-in records from 505,005 urban places across 262 Chinese cities, used to investigate spatial cocoons and confirmation bias in physical space. The dataset was authored by Haoran Ma and last updated on May 13, 2026. It suggests a universal behavioral mechanism leading to the contraction of effective activity spaces.
File formats include IPYNB (Jupyter Notebook) and CSV; the notebook may contain analysis code.