TY - Computer Science A1 - XIANG Ying, FENG Jun, XIA Pei-pei, LU Jia-min T1 - Extraction of Water Conservancy Spatial Relationship Words Based on Bootstrapping Y1 - 2020-12-15 JF - Computer Science JO - Computer Science SP - 131 EP - 138 VL - 47 IS - 12 UR - https://www.jsjkx.com N1 - 10.11896/jsjkx.191000161 ER -