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Paper Abstract and Keywords
Presentation 2026-01-08 16:35
Analysis of Traffic Flow Data Based on Event Extraction -- Analysis by Group Events --
Kunihiko Hiraishi (JAIST) MSS2025-46
Abstract (in Japanese) (See Japanese page) 
(in English) We are proposing a framework for analyzing large traffic flow data based on event extraction. We recognize event occurrence when pre-defined conditions are satisfied in each trajectory with time stamp. By this method, a time series of events is obtained. Further analysis can be applied to the obtained event log whose size is much smaller than that of the original data. In this article, we propose the concept of group events, which are defined for a set of trajectories and not for a single trajectory. The effectiveness of the group events is examined by applying them to large data of people movement.
Keyword (in Japanese) (See Japanese page) 
(in English) traffic flow data / event extraction / people movement / / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 310, MSS2025-46, pp. 68-73, Jan. 2026.
Paper # MSS2025-46 
Date of Issue 2026-01-01 (MSS) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF MSS2025-46

Conference Information
Committee MSS  
Conference Date 2026-01-08 - 2026-01-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MSS 
Conference Code 2026-01-MSS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Analysis of Traffic Flow Data Based on Event Extraction 
Sub Title (in English) Analysis by Group Events 
Keyword(1) traffic flow data  
Keyword(2) event extraction  
Keyword(3) people movement  
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1st Author's Name Kunihiko Hiraishi  
1st Author's Affiliation Japan Advanced Institute of Science and Technology (JAIST)
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Speaker Author-1 
Date Time 2026-01-08 16:35:00 
Presentation Time 25 minutes 
Registration for MSS 
Paper # MSS2025-46 
Volume (vol) vol.125 
Number (no) no.310 
Page pp.68-73 
#Pages 6 
Date of Issue 2026-01-01 (MSS) 

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