Dataset License This dataset is released under the Creative Commons Attribution-NonCommercial 4.0 International (CC-BY-NC-4.0). You may share and adapt the dataset for non-commercial research and educational purposes, provided that appropriate credit is given and changes are indicated. License text: https://creativecommons.org/licenses/by-nc/4.0/ Notes: - The dataset has been anonymized through topology fragmentation, local coordinate transformation, random file re-indexing, and removal of original element identifiers. - The public release does not include original project names, original file names, original element IDs, reversible coordinate transformation parameters, or source-model grouping information. - For commercial use, data transaction, or redistribution beyond the license scope, please contact the dataset owner.