Publications

JOURNAL (DOMESTIC)
時系列障害原因分析による推論QoS規則導出手法: 今野賢 (ヤフー株式会社/北陸先端科学技術大学院大学), デファゴクサヴィエ (東京工業大学), 冨田尭 (北陸先端科学技術大学院大学), 井口寧 (北陸先端科学技術大学院大学); 情報処理学会論文誌デジタルプラクティス; July 15, 2021

CONFERENCE (INTERNATIONAL)
Improving Land Use Classification using Human Mobility-based Hierarchical Place Embeddings: Toru Shimizu, Takahiro Yabe (Purdue University), Kota Tsubouchi; The 19th International Conference on Pervasive Computing and Communications (PerCom 2021); June 11, 2021

JOURNAL (DOMESTIC)
高次元データに対するグラフインデックスを用いた近似範囲検索アルゴリズム: 新井悠介 (阪大), 天方大地 (阪大), 原隆浩 (阪大), 藤田澄男; 情報処理学会論文誌ジャーナル (情報処理学会論文誌); April 15, 2021

CONFERENCE (DOMESTIC)
高次元空間における効率的な近似k Nearest Neighbor 検索アルゴリズム: 新井悠介 (阪大), 天方大地(阪大), 藤田澄男, 原隆浩(阪大); 第13回データ工学と情報マネジメントに関するフォーラム (DEIM2021); March 01, 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)
Search Wandering Score: Predicting Timings of Online Shopping based on Wandering in User’s Web Search Queries: Kota Tsubouchi, Wataru Sasaki (Keio University), Tadashi Okoshi (Keio University), Jin Nakazawa (Keio University); 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)
Intercity Simulation of Human Mobility at Rare Events via Reinforcement Learning: Takahiro Yabe (Purdue University), Kota Tsubouchi, Yoshihide Sekimoto (The University of Tokyo); 28th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL 2020); November 23, 2020

JOURNAL (INTERNATIONAL)
Surveillance of early stage COVID-19 clusters using search query logs and mobile device-based location information: Shohei Hisada (NAIST), Taichi Murayama (NAIST), Kota Tsubouchi, Sumio Fujita, Shuntaro Yada (NAIST), Shoko Wakamiya (NAIST), Eiji Aramaki (NAIST); Scientific Reports (Scientific Reports); October 29, 2020

JOURNAL (INTERNATIONAL)
Non-Compulsory Measures Sufficiently Reduced Human Mobility in Tokyo during the COVID-19 Epidemic: Takahiro Yabe (Purdue University), Kota Tsubouchi, Naoya Fujiwara (the University of Tokyo), Takayuki Wada (Tohoku University), Yoshihide Sekimoto (the University of Tokyo), Satish V. Ukkusuri (Purdue University); Scientific Reports; October 26, 2020

WORKSHOP (DOMESTIC)
Wi-Fi RTTを用いたデバイスフリー複数人屋内測位: 須ヶ﨑聖人 (東京工業大学), 坪内孝太, 西尾信彦 (立命館大学), 下坂正倫 (東京工業大学); 情報処理学会ユビキタスコンピューティングシステム研究会 (IPSJ SIGUBI); September 30, 2020

WORKSHOP (INTERNATIONAL)
Yosegi: Columnar format for efficient nested data processing by schema conversion: Yasunori Oto, Kouji Ijima, Kotaro Terada, Makoto Onizuka (Osaka University); The 1st Workshop on Distributed Infrastructure, Systems, Programming and AI (DISPA 2020); August 31, 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

CONFERENCE (INTERNATIONAL)
AirPlanes: A DIY Modeling System Using Mobile VSLAM for Indoor Space: Taiga Nishiyama (Ritsumeikan University), Daichi Yoshikawa (Ritsumeikan University), Nobuhiko Nishio (Ritsumeikan University), Kota Tsubouchi; The 18th ACM International Conference on Mobile Systems, Applications, and Services (MobiSys 2020); June 19, 2020

CONFERENCE (DOMESTIC)
Wi-Fi 接続による屋内位置情報を用いた人間関係の抽出: 山下達雄, 寺岡照彦, 田口拓明; 2020年度人工知能学会全国大会(第34回) (JSAI 2020); June 12, 2020

CONFERENCE (DOMESTIC)
Eコマースの購入ログを用いたペットフードと犬の疾患の関連性分析: 笹谷奈翁美, 岸田滋史*, 菊地了*, 山口修司, 田島玲 (*アニコムホールディングス); 2020年度人工知能学会全国大会(第34回) (JSAI 2020); June 11, 2020

JOURNAL (INTERNATIONAL)
Robust Two-stage Influenza Prediction Model considering Regular and Irregular Trends: Taichi Murayama (NAIST), Nobuyuki Shimizu, Sumio Fujita, Shoko Wakamiya (NAIST), Eiji Aramaki (NAIST); PLOS ONE; May 21, 2020

OTHERS (DOMESTIC)
Non-Compulsory Measures Sufficiently Reduced Human Mobility in Japan during the COVID-19 Epidemic: Takahiro Yabe (Purdue University), Kota Tsubouchi, Naoya Fujiwara (Tohoku University), Takayuki Wada (Osaka City University), Yoshihide Sekimoto (The University of Tokyo), and Satish V. Ukkusuri (Purdue University); arXiv.org; May 20, 2020

JOURNAL (INTERNATIONAL)
Comparing Medical Term Usage Patterns of Professionals and Search Engine and Community Question Answering Service Users in Japan: Log Analysis: Kazuya Taira (Shiga Univ. Med.), Taichi Murayama (NAIST), Sumio Fujita, Mikiko Ito (Shiga Univ. Med.), Kei Kamide (Osaka Univ.), Eiji Aramaki (NAIST); Journal of Medical Internet Research (JMIR); April 13, 2020

CONFERENCE (DOMESTIC)
テンプレート利用による簡易的テスト分析の実践事例: 武井　眞人; ソフトウェアテストシンポジウム 2020 東京 (JaSST'20 Tokyo); April 03, 2020