Publications

カンファレンス (国際)
Doubly Robust Off-Policy Evaluation for Ranking Policies under the Cascade Behavior Model: Haruka Kiyohara ( Tokyo Institute of Technology ), Yuta Saito ( Hanjuku-kaso, Co., Ltd. ), Tatsuya Matsuhiro, Yusuke Narita ( Yale University ), Nobuyuki Shimizu, Yasuo Yamamoto; The 15th ACM International Conference on Web Search and Data Mining (WSDM2022); 2022.2.15

論文誌 (国際)
Prediction of Age-Adjusted Mortality From Stroke in Japanese Prefectures by Search Engine Query: An Ecological Study: Kazuya Taira (Kyoto univ.), Sumio Fujita; JMIR Formative Research (JMIR Formative Research); 2022.1.20

論文誌 (国際)
Early warning of COVID-19 hotspots using human mobility and web search query data: Takahiro Yabe (Purdue University), Kota Tsubouchi, Yoshihide Sekimoto (the university of tokyo), Satish V. Ukkusuri (Purdue University); Computers, Environment and Urban Systems (CEUS); 2021.12.24

その他 (国際)
GEO-BLEU: Similarity Measure for Geospatial Sequences: Toru Shimizu, Kota Tsubouchi, Takahiro Yabe (Massachusetts Institute of Technology); arXiv.org (arxiv); 2021.12.17

論文誌 (国際)
Predicting the Number of Suicides in Japan: A Vector Autoregression Time Series Model Using Internet Search Queries: Kazuya Taira (Kyoto univ.), Rikuya Hosokawa (Kyoto univ.), Tomoya Itatani (Kanazawa univ.), Sumio Fujita; JMIR Public Health and Surveillance (JMIR Public Health and Surveillance); 2021.12.3

カンファレンス (国際)
Improving the Accuracy of Walking Context Recognition Using Step Rate: Takuzo Ikuta (Ritsumeikan University), Kota Tsubouchi, Nobuhiko Nisho (Ritsumeikan University); The eleventh edition of the International Conference on Indoor Positioning and Indoor Navigation (IPIN 2021); 2021.12.2

カンファレンス (国際)
AI-BPO: Adaptive incremental BLE beacon placement optimization for crowd density monitoring applications: Yang Zhen (Tokyo Institute of Technology), Masato Sugasaki (Tokyo Institute of Technology), Yoshihiro Kawahara (The University of Tokyo), Kota Tsubouchi, Matthew Ishige (The University of Tokyo), Masamichi Shimosaka (Tokyo Institute of Technology); 29th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL 2021); 2021.11.19

その他 (国際)
Nation-wide Mood: Large-scale Estimation of People's Mood from Web Search Query and Mobile Sensor Data: Wataru Sasaki (Keio University), Hiroshi Kawane, Satoko Miyahara, Kota Tsubouchi, Tadashi Okoshi (Keio University); arXiv.org; 2021.11.11

カンファレンス (国際)
"Japan LIVE Dashboard" for COVID-19: A Scalable Solution to Monitor Real-Time and Regional-Level Epidemic Case Data: Wei Su, Wei Fu, Kojuro Kato (Faculty of Economics, Department of Economics, Keio University), Zoie SY Wong (Graduate School of Public Health, St. Luke’s International University); Studies in Health Technology and Informatics (Stud Health Technol Inform); 2021.11.8

カンファレンス (国内)
ウェットフードの購入割合と猫下部尿路疾患との関連性分析: 笹谷奈翁美, 岸田滋史 (アニコム損保), 菊地了 (アニコム損保), 田島玲; 日本ペット栄養学会第22回定例大会 (JSPAN 2021); 2021.10.30

カンファレンス (国内)
がん検診に関するW E B検索動向とがん検診受診率，年齢調整罹患率，年齢調整死亡率の関連について: 平和也 (京大), 細川陸也 (京大), 藤田澄男, 塩見美抄 (京大); 第１３回日本ヘルスコミュニケーション学会学術集会 (第１３回日本ヘルスコミュニケーション学会); 2021.9.29

カンファレンス (国際)
LGTM: A Fast and Accurate kNN Search Algorithm in High-dimensional Spaces: Yusuke Arai (Osaka univ.), Daichi Amagata (Osaka univ.), Sumio Fujita, Takahiro Hara (Osaka univ.); The 32nd International Conference on Database and Expert Systems Applications (DEXA2021); 2021.9.28

カンファレンス (国際)
Designing a persistent-memory-native storage engine for SQL database systems: Shohei Matsuura; The 10th IEEE Non-Volatile Memory Systems and Applications Symposium (IEEE NVMSA 2021); 2021.8.19

論文誌 (国際)
Measuring Public Concern About COVID-19 Through Search Queries: An Infodemiology Study: Zhiwei Gao (NAIST), Sumio Fujita, Nobuyuki Shimizu, Kongmeng Liew (NAIST), Taichi Murayama (NAIST), Shuntaro Yada (NAIST), Shoko Wakamiya (NAIST), Eiji Aramaki (NAIST); JMIR Public Health and Surveillance (JMIR Public Health and Surveillance); 2021.7.20

論文誌 (国内)
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; 2021.7.15

カンファレンス (国際)
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); 2021.6.11

論文誌 (国内)
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); 2021.4.15

カンファレンス (国内)
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); 2021.3.1

カンファレンス (国際)
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); 2020.12.13

カンファレンス (国際)
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); 2020.12.13