针对室内火灾应急响应的空间关键字查询方法研究  

Research on spatial keyword query methods for indoor fire emergency response

作　　者：张丽平[1] 李春红 李松[1] ZHANG Liping;LI Chunhong;LI Song(School of Computer Science and Technology,Harbin University of Science and Technology,Harbin Heilongjiang 150080,China)

机构地区：[1]哈尔滨理工大学计算机科学与技术学院,黑龙江哈尔滨150080

出　　处：《中国安全生产科学技术》2024年第11期118-123,共6页Journal of Safety Science and Technology

基　　金：国家自然科学基金项目(61872105);黑龙江省自然科学基金项目(LH2023F031)。

摘　　要：为提高室内火灾应急响应的效率,提出1种针对室内火灾应急响应的空间关键字查询方法。首先,引入1种新的索引结构,即室内火灾应急响应树(IFER-tree)来提高对室内空间关键字的检索速度;其次,提出基于IFER-tree的剪枝方法,对数据集进行有效地精炼,减少对查询时间和计算资源的消耗;最后,提出1种针对室内火灾应急响应的路径查询方法,以便迅速识别出考虑危险程度的最短逃生路径。研究结果表明:所提出的空间关键字查询方法能快速查询到最优路径,提高火灾应急响应效率。研究结果可为火灾紧急情况下的人员疏散提供重要参考,尤其在确定最优逃生路径和评估危险程度方面,能够有效减少人员伤亡。To enhance the efficiency of indoor fire emergency response,a spatial keyword query method for indoor fire emergency response was proposed.Firstly,a new index structure called indoor fire emergency response tree(IFER-tree)was introduced,which can improve the retrieval speed of indoor spatial keywords.Secondly,a pruning method based on IFER-tree was proposed to refine the dataset effectively and reduce the consumption of query time and computational resources.Finally,a path query method for indoor fire emergency response was proposed to quickly identify the shortest escape route taking into account the level of danger.The results demonstrate that the proposed spatial keyword query method can quickly retrieve the optimal path,enhancing the fire efficiency of emergency response.This research outcome provides important reference for personnel evacuation in emergency fire situations,particularly in determining the optimal escape routes and assessing danger levels,which can effectively reduce casualties.

关 键 词：查询 紧急事件响应 室内空间关键字索引 应急响应 

分 类 号：X913.4[环境科学与工程—安全科学]