Public opinion matters: mining social media text for environmental management. - Xu Du; Matthew Kowalski; Aparna S. Varde; Gerard de Melo; Robert W. Taylor (SIGWEB Newsl., 2019)

LSOMP: Large Scale Ordinance Mining Portal. - Xu Du; Matthew Kowalski; Aparna S. Varde; Boxiang Dong (IEEE BigData, 2020)