MetroScope: An Advanced System for Real-Time Detection and Analysis of Metro-Related Threats and Events via Twitter

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dc.contributor.authorHe, Jianfengen
dc.contributor.authorWu, Syuan-Yingen
dc.contributor.authorAlhamadani, Abdulazizen
dc.contributor.authorChen, Chih-Fangen
dc.contributor.authorLu, Wen-Fangen
dc.contributor.authorLu, Chang-Tienen
dc.contributor.authorSolnick, Daviden
dc.contributor.authorLi, Yanlinen
dc.date.accessioned2023-08-02T17:46:38Zen
dc.date.available2023-08-02T17:46:38Zen
dc.date.issued2023-07-19en
dc.date.updated2023-08-01T07:57:45Zen
dc.description.abstractMetro systems are vital to our daily lives, but they face safety or reliability challenges, such as criminal activities or infrastructure disruptions, respectively. Real-time threat detection and analysis are crucial to ensure their safety and reliability. Although many existing systems use Twitter to detect metro-related threats or events in real-time, they have limitations in event analysis and system maintenance. Specifically, they cannot analyze event development, or prioritize events from numerous tweets. Besides, their users are required to continuously monitor system notifications, use inefficient content retrieval methods, and perform detailed system maintenance. We addressed those issues by developing the MetroScope system, a real-time threat/event detection system applied to Washington D.C. metro system. MetroScope can automatically analyze event development, prioritize events based on urgency, send emergency notifications via emails, provide efficient content retrieval, and self-maintain the system. Our MetroScope system is now available at http://orion.nvc.cs.vt.edu:5000/, with a video (https://www.youtube.com/watch?v=vKIK9M60-J8) introducing its features and instructions. MetroScope is a significant advancement in enhancing the safety and reliability of metro systems.en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1145/3539618.3591807en
dc.identifier.urihttp://hdl.handle.net/10919/115964en
dc.language.isoenen
dc.publisherACMen
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internationalen
dc.rights.holderThe author(s)en
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.titleMetroScope: An Advanced System for Real-Time Detection and Analysis of Metro-Related Threats and Events via Twitteren
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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