时空实体模型在港口车船监管中的应用与实现OA

Based on the spatio-temporal entity model,Beidou navigation satellite system(BDS),global positioning system(GPS),web geographic information system(WebGIS),and spatial database,the vehicle and ship entities were constructed,and a vehicle and ship monitoring system at ports was established.The system provided functions such as vehicle/ship directory navigation,real-time location monitoring,entity query display,historical trajectory playback,operation status monitoring,intelligent fence management,and spatio-temporal track analysis.It enabled real-time extraction and monitoring of all-round,multilevel,and diversified vehicle and ship information,presenting the six fundamental characteristics of vehicle and ship entities,increasing the value density of vehicle and ship monitoring information,and enhancing query and analytic abilities.Thus,the system enhanced the precision and efficiency of vehicle and ship monitoring,serving as a more effective support for vehicle and ship monitoring and management at ports.