Publications - Yahoo! JAPAN R&D - Yahoo Japan Corporation

WORKSHOP (DOMESTIC)
Caputring spatial distribution of people interests with web quries and location data: A large scale empirical study of metropolises in Japan: Jinyuan Li (Tokyo Institute of Technology), Soto Anno (Tokyo Institute of Technology), Takayuki Sakamoto (Nikken Sekkei Ltd.), Hiraki Yasuda (Nikken Sekkei Ltd.), Akira Tsujimoto (Nikken Sekkei Ltd.), Kota Tsubouchi, Masamichi Shimosaka (Tokyo Institute of Technology); 情報処理学会第71回ユビキタスコンピューティングシステム (UBI) 研究発表会 (IPSJ SIGUBI); September 03, 2021

CONFERENCE (INTERNATIONAL)
Location YardStick: Calculation of the Location Data Value Depending on the Users’ Context: Kenta Kanamori, Kota Tsubouchi, Junichi Sato, Tatsuru Higurashi; 2020 IEEE International Conference on Big Data (IEEE BigData 2020); December 13, 2020

CONFERENCE (INTERNATIONAL)
DualSIN: Dual Sequential Interaction Network for Human Intentional Mobility Prediction: Quanjun Chen (The University of Tokyo), Renhe Jiang (The University of Tokyo), Chuang Yang (The University of Tokyo), Zekun Cai (The University of Tokyo), Zipei Fan (The University of Tokyo), Kota Tsubouchi, Xuan Song (The University of Tokyo), Ryosuke Shibasaki (The University of Tokyo); 28th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL 2020); November 23, 2020

CONFERENCE (INTERNATIONAL)
A Visually-grounded First-person Dialogue Dataset with Verbal and Non-verbal Responses: Hisashi Kamezawa (The University of Tokyo), Noriki Nishida (RIKEN Center for Advanced Intelligence Project (AIP)), Nobuyuki Shimizu, Takashi Miyazaki, Hideki Nakayama (The University of Tokyo); The 2020 Conference on Empirical Methods in Natural Language Processing. (EMNLP20202); November 16, 2020

CONFERENCE (INTERNATIONAL)
Unsupervised Translation via Hierarchical Anchoring: Functional Mapping of Places across Cities: Takahiro Yabe (Purdue University), Kota Tsubouchi, Toru Shimizu, Yoshihide Sekimoto (the University of Tokyo), Satish V. Ukkusuri (Purdue University); 26TH ACM SIGKDD CONFERENCE ON KNOWLEDGE DISCOVERY AND DATA MINING (KDD2020); August 26, 2020

JOURNAL (INTERNATIONAL)
Development of people mass movement simulation framework based on reinforcement learning: Yanbo Pang (The University of Tokyo), Takehiro Kashiyama (The University of Tokyo), Takahiro Yabe (Purdue University), Kota Tsubouchi, Yoshihide Sekimoto (The University of Tokyo); Transportation Research Part C (TRC journal); August 01, 2020

CONFERENCE (DOMESTIC)
ナレッジベースを用いた記事の主題地域推定システム: 佐々木明, 大倉俊平; 2020年度人工知能学会全国大会(第34回) (JSAI 2020); June 09, 2020

CONFERENCE (INTERNATIONAL)
Parasitic Location Logging: Estimating Users’ Location from Context of Passersby: Kota Tsubouchi, Teruhiko Teraoka, Hidehito Gomi, Masamichi Shimosaka (Tokyo Institute of Technology); 18th Annual IEEE Conference on Pervasive Computing and Communications (Percom 2020); March 26, 2020

CONFERENCE (INTERNATIONAL)
Recovering Access to Account Using Location Data: Hidehito Gomi, Shuji Yamaguchi; 35th Annual Computer Security Applications Conference (ACSAC 2019); December 12, 2019

CONFERENCE (INTERNATIONAL)
Practical End-to-End Repositioning Algorithm for Managing Bike-Sharing System: Akihiro Yoshida*1, Yosuke Yatsushiro*1, Nozomi Hata*1, Tatsuru Higurashi, Nariaki Tateiwa*1, Takashi Wakamatsu*1, Akira Tanaka*1, Kenichi Nagamatsu*1, Katsuki Fujisawa*1 (*1 Kyusyu Univ.); 2019 IEEE International Conference on Big Data (IEEE BigData 2019); December 09, 2019

CONFERENCE (INTERNATIONAL)
Deep Multiple Instance Learning for Human Trajectory Identification: Zipei Fan*, Xuan Song*, Quanjun Chen*, Renhe Jiang*, Kota Tsubouchi and Ryosuke Shibasaki* (* The University of Tokyo); 27th International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL 2019); November 05, 2019

CONFERENCE (INTERNATIONAL)
Context-Aware Authentication Using Co-Located Devices: Hidehito Gomi, Shuji Yamaguchi, Wataru Ogami, Teruhiko Teraoka, and Tatsuru Higurashi; The18th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom 2019); August 07, 2019

CONFERENCE (INTERNATIONAL)
Predicting Evacuation Decisions using Representations of Individuals’ Pre-DisasterWeb Search Behavior: Takahiro Yabe(Purdue Univ.), Kota Tsubouchi, Toru Shimizu, Yoshihide Sekimoto(UTokyo), Satish V. Ukkusuri(Purdue Univ.); 25TH ACM SIGKDD CONFERENCE ON KNOWLEDGE DISCOVERY AND DATA MINING (KDD 2019); August 06, 2019

CONFERENCE (INTERNATIONAL)
Fusion of Terrain Information and Mobile Phone Location Data for Flood Area Detection in Rural Areas: Takahiro Yabe (University of Tokyo), Kota Tsubouchi and Yoshihide Sekimoto(University of Tokyo); 2018 IEEE International Conference on BIG DATA (IEEE BigData2018); December 10, 2018

CONFERENCE (INTERNATIONAL)
Predictive Population Behavior Analysis from Multiple Contexts with Multilinear Poisson Regression: Masamichi Shimosaka (Tokyo Tech), Takeshi Tsukiji (UTokyo), Hideyuki Wada(UTokyo), Kota Tsubouchi; The ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems 2018 (ACM SIGSPATIAL 2018); November 06, 2018

CONFERENCE (INTERNATIONAL)
Symbiotic Construction of Individual’s Rich Location Dataset: Teruhiko Teraoka, Kota Tsubouchi, Hidehito Gomi; The 2018 ACM International Joint Conference on Pervasive and Ubiquitous Computing Posters (Ubicomp 2018); October 08, 2018

CONFERENCE (INTERNATIONAL)
Next place prediction in unfamiliar places considering contextual factors: Takashi Nicholas Maeda(the University of Tokyo), Kota Tsubouchi and Fujio Toriumi (the University of Tokyo); The 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL 2017); November 07, 2017

CONFERENCE (INTERNATIONAL)
A framework for evacuation hotspot detection after large scale disasters using location data from smartphones: case study of Kumamoto: Takahiro Yabe（The University of Tokyo）, Kota Tsubouchi, Akihito Sudo（The University of Tokyo）, Yoshihide Sekimoto（The University of Tokyo）; Proceedings of the 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (GIS2016); October 31, 2016

CONFERENCE (INTERNATIONAL)
Predicting irregular individual movement following frequent mid-level disasters using location data from smartphones: Takahiro Yabe（The University of Tokyo）, Kota Tsubouchi, Akihito Sudo（The University of Tokyo）, Yoshihide Sekimoto（The University of Tokyo）; Proceedings of the 24th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (GIS2016); October 31, 2016

CONFERENCE (INTERNATIONAL)
Coupled Hierarchical Dirichlet Process Mixtures for Simultaneous Clustering and Topic Modeling: Masamichi Shimosaka(Tokyo Institute of Technology), Takeshi Tsukiji(The University of Tokyo), Shoji Tominaga(The University of Tokyo) and Kota Tsubouchi; The European Conference on Machine Learning and Principles and Practice of Knowledge Discovery (ECML PKDD 2016); September 19, 2016