@InProceedings{RyotaroTsukada:2020, author = {Ryotaro Tsukada, Haosen Zhan, Shonosuke Ishiwatari, Masashi Toyoda, Kazutoshi Umemoto, Haichuan Shang, and Koji Zettsu}, title = {Crowd Forecasting at Venues with Microblog Posts Referring to Future Events}, booktitle = {5th IEEE International Workshop on Big Spatial Data (BSD 2020)}, year = {2020}, address = {Online}, pages = {3147-3155}, }