空间目标态势行为与事件本体设计与构建

针对空间目标态势威胁响应和预警研究不完善的问题，为实现空间目标行为和事件的智能推理、实时响应和主动预警，保障航天活动和空间利益，提出面向行为与事件的空间目标态势本体模型(BEO-SO2)。基于基本形式本体(BFO)，构建空间目标态势行为与事件本体模型。在统一时空框架下建立空间目标关系模型，实现空间目标行为执行和事件发生过程的动态推演。以空间目标碰撞威胁为背景，设计对象实体等级体系和碰撞威胁行为与事件要素，建立碰撞威胁推理规则，基于空间目标态势行为与事件本体进行实现、验证与展示。结果表明,空间目标态势行为与事件本体能够实现空间目标碰撞威胁的等级推理与预警，并指导进一步的空间活动，为航天任务与空间活动提供有效保障。

Design and Construction of Behavior and Event Oriented Space Object Situation Ontology

Aiming at the imperfect research on threat response and early warning of space object situation, in order to realize the intelligent reasoning, real-time response and active early warning for behaviors and events of space objects, and to ensure space activities and benefits, the behavior-and-event-oriented space object situation ontology (BEO-SO2) is proposed. Based on the basic form ontology (BFO), the BEO-SO2 model is constructed. The relation model of space objects is established pursuant to the unified spatiotemporal framework to realize the dynamic extrapolation of the behavior execution and event occurrence of space objects. Taking the collision threat of space objects as background, the hierarchy of space object entities and elements of behaviors and events for collision threat are designed, the collision threat reasoning rules are established, and the realization, verification and display are carried out based on BEO-SO2. The results show that BEO-SO2 can achieve the level reasoning and early warning of the collision threat between space objects, and direct further space activities, which give an effective guarantee for space missions and activities.