TY - RPRT TI - Improving geospatial query performance of an interoperable geographic situation-awareness system (IGSAS) for disaster response AU - Chuanrong Zhang AU - Tian Zhao AU - E. Lynn Usery AU - Dalia E. Varanka AU - Weidong Li PY - 2020 DO - 10.1111/tgis.12614 UR - https://pubs.usgs.gov/publication/70209602 ID - 70209602 ER -