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Technical Committee on Data Engineering (DE) [schedule] [select]
Chair Masashi Toyoda (NTUT)
Vice Chair Taketoshi Ushiama (KU), Yukiko Kawai (KU)
Secretary Akimitsu Kanzaki (US), Shoko Wakamiya (NAIST)
Assistant Kei Wakabayashi (UT)

Special Interest Group on Database and Data Science (IPSJ-DBS) [schedule] [select]

Special Interest Group on Information Fundamentals and Access Technologies (IPSJ-IFAT) [schedule] [select]

Conference Date Tue, Sep 15, 2026 13:00 - 21:30
Wed, Sep 16, 2026 09:15 - 21:30
Thu, Sep 17, 2026 09:15 - 16:00
Topics Bigdata management, information retrieval, knowledge discovery, etc. 
Conference Place  
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)
Registration Fee This workshop will be held as the IEICE workshop in fully electronic publishing. Registration fee will be necessary except the speakers and participants other than the participants to workshop(s) in non-electronic publishing. See the registration fee page. We request the registration fee or presentation fee to participants who will attend the workshop(s) on DE.

Tue, Sep 15 PM 
13:00 - 13:50
(1) 13:00-13:25  
(2)
DE		 13:25-13:50 Hierarchical Relationships Among Tags Using Spatial Distributions of Geotagged Photos DE2026-10 Sato Keiya (TMU), Yokoyama Shohei (TMU/NII)
Tue, Sep 15 PM 
13:30 - 14:45
(3) 13:30-13:55  
(4) 13:55-14:20  
(5)
DE		 14:20-14:45 Analysis of the Internal Behavior of Large Language Models in Table-Claim Consistency Verification
[updated] DE2026-11		 Kazuki Kanaya, Hisashi Miyamori (Kyoto Sangyo Univ.)
Tue, Sep 15 PM 
15:00 - 16:15
(6) 15:00-16:15  
Tue, Sep 15 PM 
15:00 - 16:15
(7) 15:00-15:25  
(8) 15:25-15:50  
(9) 15:50-16:15  
Tue, Sep 15 PM 
15:00 - 16:15
(10) 15:00-15:25  
(11) 15:25-15:50  
(12) 15:50-16:15  
Tue, Sep 15 PM 
16:30 - 17:45
(13) 16:30-17:45  
Tue, Sep 15 PM 
16:30 - 17:45
(14) 16:30-16:55  
(15) 16:55-17:20  
(16) 17:20-17:45  
Tue, Sep 15 PM 
13:00 - 14:15
(17) 13:00-13:25  
(18) 13:25-13:50  
(19)
DE		 13:50-14:15 Metadata and Access Patterns in the Cross-Disciplinary Research Data Catalog DE2026-12 Naoto Kai (U Osaka), Masayoshi Kozai (ROIS), Hayato Tomisu (Shiga Univ.), Kaname Harumoto (U Osaka), Tomoki Yoshihisa (Shiga Univ.)
Tue, Sep 15 PM 
19:30 - 21:30
(20) 19:30-21:30  
Wed, Sep 16 AM 
09:15 - 10:30
(21) 09:15-10:30  
Wed, Sep 16 AM 
09:15 - 10:30
(22) 09:15-09:40  
(23) 09:40-10:05  
(24) 10:05-10:30  
Wed, Sep 16 AM 
09:15 - 10:30
(25) 09:15-09:40  
(26) 09:40-10:05  
(27)
DE		 10:05-10:30 Development of an Interactive Web Application for Trade Network Clustering Visualization with Markov Time Control
-- Development Report from the Japan-IIT Hyderabad International AI Student Workshop -- DE2026-13		 Jiaxin Lin, Yuga Akiyama, Kenta Yokoyama, Yukari Shirota (Gakushuin Univ.)
Wed, Sep 16 AM 
10:45 - 12:00
(28) 10:45-12:00  
Wed, Sep 16 AM 
10:45 - 12:00
(29) 10:45-11:10  
(30) 11:10-11:35  
(31) 11:35-12:00  
Wed, Sep 16 AM 
10:45 - 12:00
(32) 10:45-11:10  
(33) 11:10-11:35  
(34) 11:35-12:00  
Wed, Sep 16 PM 
13:30 - 13:55 [updated]
  -  
(35)
[updated]		 13:30-13:55
[updated]		  
Wed, Sep 16 PM 
13:30 - 14:45
(36)
[updated]		 13:30-13:55  
(37)
[updated]		 13:55-14:20  
(38)
[updated]		 14:20-14:45  
Wed, Sep 16 PM 
13:30 - 14:20 [updated]
(39)
[updated]		 13:30-13:55  
(40)
[updated]		 13:55-14:20  
Wed, Sep 16 PM 
15:00 - 16:15
(41)
[updated]		 15:00-16:15  
Wed, Sep 16 PM 
15:00 - 15:50 [updated]
(42)
[updated]		 15:00-15:25  
(43)
[updated]		 15:25-15:50  
Wed, Sep 16 PM 
15:00 - 16:15
(44)
[updated]		 15:00-15:25  
(45)
[updated]		 15:25-15:50  
(46)
[updated]		 15:50-16:15  
Wed, Sep 16 PM 
16:30 - 17:45
(47)
[updated]		 16:30-16:55  
(48)
DE
[updated]		 16:55-17:20 Multi-Domain Evaluation of Methods for Detecting Known Intents and Unknown Questions in FAQ Chatbots DE2026-14 Renya Imagawa, Hisashi Miyamori (Kyoto Sangyo Univ.)
(49)
DE
[updated]		 17:20-17:45 An Analysis of How the Frequency and Intensity of Teasing Affect the Friendliness of Conversational AI DE2026-15 Naoto Sano, Hisashi Miyamori (Kyoto Sangyo Univ.)
Wed, Sep 16 PM 
16:30 - 17:20
(50)
[updated]		 16:30-16:55  
(51)
[updated]		 16:55-17:20  
Wed, Sep 16 PM 
16:30 - 17:45
(52)
[updated]		 16:30-16:55  
(53)
[updated]		 16:55-17:20  
(54)
DE
[updated]		 17:20-17:45 An Interactive Web Visualization System for Time-Series Analysis of GVC Upstreamness Using TiVA Data
-- Development Report from the Japan-IIT Hyderabad International AI Student Workshop -- DE2026-16		 Mika Sekine, Ryutaro Narita, Yukari Shirota (Gakushuin Univ.)
Wed, Sep 16 PM 
19:30 - 21:30
(55)
[updated]		 19:30-21:30  
Thu, Sep 17 AM 
09:15 - 10:05 [updated]
(56)
[updated]		 09:15-09:40  
(57)
[updated]		 09:40-10:05
[updated]		  
Thu, Sep 17 AM 
09:15 - 10:30
(58)
[updated]		 09:15-09:40  
(59)
[updated]		 09:40-10:05  
(60)
DE
[updated]		 10:05-10:30 Evaluating User Intent Extraction from Map Interaction Sequences Using LLMs
-- Observations on Semantic Segmentation of Operations and Implicit Conditions --
[updated] DE2026-17		 Takuto Shibahara (KGU), Taketoshi Ushiama (KU), Kazutoshi Sumiya (KGU)
Thu, Sep 17 AM 
09:15 - 10:30
(61)
[updated]		 09:15-09:40  
(62)
[updated]		 09:40-10:05  
(63)
[updated]		 10:05-10:30  
Thu, Sep 17 AM 
10:45 - 11:35
(64)
[updated]		 10:45-11:10  
(65)
[updated]		 11:10-11:35  
Thu, Sep 17 AM 
10:45 - 12:00
(66)
[updated]		 10:45-11:10  
(67)
[updated]		 11:10-11:35  
(68)
[updated]		 11:35-12:00  
Thu, Sep 17 PM 
13:30 - 14:30
(69)
[updated]		 13:30-14:30  
Thu, Sep 17 PM 
14:45 - 15:25
(70)
[updated]		 14:45-15:25  
Thu, Sep 17 PM 
15:25 - 16:00
(71)
[updated]		 15:25-16:00  

Announcement for Speakers
General TalkEach speech will have 20 minutes for presentation and 5 minutes for discussion.

Contact Address and Latest Schedule Information
DE Technical Committee on Data Engineering (DE)   [Latest Schedule]
Contact Address TC on Data Engineering ieicedeoglegups 
IPSJ-DBS Special Interest Group on Database and Data Science (IPSJ-DBS)   [Latest Schedule]
Contact Address  
IPSJ-IFAT Special Interest Group on Information Fundamentals and Access Technologies (IPSJ-IFAT)   [Latest Schedule]
Contact Address  


Last modified: 2026-09-07 15:37:32


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