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On Effective campus Attack Response:Insights from Agent-Based Simulation for Improving Emergency Information Sharing System Design and Response Strategy

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International Journal of Disaster Risk Science 2022年第3期13卷 435-447页

作者： Steven Beattie Jing Yang Sunny Xi Wai Kin Victor Chan Tsinghua-Berkeley Shenzhen Institute Tsinghua UniversityShenzhen518055China

Information sharing systems are a critical component of emergency response—especially in campus attack situations that unfold very *** design of effective information sharing systems is often difficult,however,due to a lack of data on these assault *** work takes an agent-based approach to simulate three campus emergency information sharing system design alternatives in the context of a college campus knife attack,and incorporates data from on-campus student surveys and parameter tuning *** are evaluated according to:(1)improved student attack response outcomes;and(2)effective institutional response to the *** results confirm that increased awareness supports rapid emergency reporting,but an important gap exists between students'awareness and their ability to respond effectively,which depends on a number of campus-specific factors.A strong positive impact is seen from safe and efficient information sharing with *** impact depends largely on reporting system implementation qualities,as opposed to campus-specific *** a campus in China,WeChat was used as a basis for messaging *** simulation results show a 9%drop in casualties and a 22%faster police response time from a text-based reporting system using‘‘base''WeChat features instead of traditional phone *** results also project a 30%drop in casualties and 52%faster police response time using a system designed around a WeChat Mini Program or standalone campus emergency reporting *** outcomes suggest a number of recommendations for improving outdated campus emergency information-sharing systems and response strategies.

关键词： Agent-based impact analysis Agent-based modeling campus security Emergency response Information sharing

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Experimental study on age and gender differences in microscopic movement characteristics of students

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Chinese Physics B 2021年第9期30卷 633-642页

作者：王嘉悦 Maik Boltes Armin Seyfried Antoine Tordeux 张俊翁文国 Public Order School People's Public Security University of ChinaBeijing 100038China Center for Capital Social Safety People's Public Security University of ChinaBeijing 100038China Public security Behavioral Science Laboratory People's Public Security University of ChinaBeijing 100038China Institute for Advanced Simulation Forschungszentrum JülichJülich 52428Germany Faculty of Architecture and Civil Engineering University of WuppertalWuppertal 42119Germany School of Mechanical Engineering and Safety Engineering University of WuppertalWuppertal 42119Germany State Key Laboratory of Fire Science University of Science and Technology of ChinaHefei 230026China Institute of Public Safety Research Department of Engineering PhysicsTsinghua UniversityBeijing 100084China

campus security has aroused many concerns from the whole *** is one of the most frequent and influential accidents in *** on pedestrian dynamics especially focusing on students are essential for campus security,which are helpful to improve facility design and emergency evacuation *** this paper,primary and middle school students were recruited to participate in the single-file *** microscopic movement characteristics,including walking speed,headway,gait characteristics(step length,step frequency and swaying amplitude)and their relations were *** and gender differences in the headway-speed diagram and space requirements were analyzed by statistical *** results indicated that the impacts of age and gender were *** were three stages for the influence of gender on the headway-speed diagram for both age *** impacts on students'space requirements were consistent for different age and gender *** the impacts of age and gender on free-flow speed were affected by each *** to the connection of walking speed and gait characteristics,the comparisons of gait characteristics between different ages and genders were performed to understand the corresponding differences in speed more *** results showed that differences in step length and swaying amplitude between males and females were significant for both age *** effect of gender on step frequency was significant for primary *** for middle school students,whether gender had significant impact on step frequency was not clear here because of the large ***,the influence of age on gait characteristics changed with gender.

关键词： campus security microscopic movement characteristics pedestrian dynamics single-file movement experiments

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