@article{113, author = {Yan Wang and Shangde Gao and Nan Li and Siyu Yu}, title = {Crowdsourcing the perceived urban built environment via social media: The case of underutilized land}, year = {2021}, journal = {Advanced Engineering Informatics}, volume = {50}, chapter = {101371}, pages = {1}, month = {10}, issn = {1474-0346}, url = {https://par.nsf.gov/biblio/10287238}, doi = {10.1016/j.aei.2021.101371}, }