Publications

カンファレンス (国際)
Safe Exploration in Reinforcement Learning: A Generalized Formulation and Algorithms: Akifumi Wachi, Wataru Hashimoto (Osaka University), Xun Shen (Osaka University), Kazumune Hashimoto (Osaka University); The 37th Conference on Neural Information Processing Systems (NeurIPS 2023); 2023.12.13

カンファレンス (国際)
A Challenging Multimodal Video Summary: Simultaneously Extracting　and Generating Keyframe-Caption Pairs from Video: Keito Kudo (Tohoku Univ.), Haruki Nagasawa (Tohoku Univ.), Jun Suzuki (Tohoku Univ.), Nobuyuki Shimizu; The 2023 Conference on Empirical Methods in Natural Language Processing (EMNLP 2023); 2023.12.10

カンファレンス (国際)
Data-driven Simulation of Wireless Communication Signal Strength in Indoor Environments: Takuhiro Shimokawa (Tokyo Institute of Technology), Kota Tsubouchi, Yoshihiro Kawahara (The University of Tokyo), Hiroaki Murakami (The University of Tokyo), Masamichi Shimosaka (Tokyo Institute of Technology); The thirteenth edition of the International Conference on Indoor Positioning and Indoor Navigation (IPIN 2023); 2023.12.8

カンファレンス (国際)
Enhancing Indoor Altitude Estimation on Smartphones: Resolving Ventilation Fan Effects: Kota Tsubouchi, Yuki Hirayama (Ritsumeikan University), Takuzo Ikuta (Ritsumeikan University), Nobuhiko Nishio (Ritsumeikan University); The thirteenth edition of the International Conference on Indoor Positioning and Indoor Navigation (IPIN 2023); 2023.12.8

カンファレンス (国際)
Analyzing Web search queries of before and after purchase on e-commerce site: Yuka Kawada (Hyougo univ.), Takehiro Yamamoto (Hyougo univ.), Hiroaki Ohshima (Hyougo univ.), Yuki Yanagida (Tsukuba univ.), Makoto P. Kato (Tsukuba univ.), Sumio Fujita; The 25th International Conference on Asia-Pacific Digital Libraries (ICADL 2023); 2023.11.30

カンファレンス (国際)
Generating Fine-Grained Aspect Names from Movie Review Sentences Using Generative Language Model: Tomohiro Ishii (Aoyama Gakuin univ.), Yoshiyuki Shoji (Aoyama Gakuin univ.), Takehiro Yamamoto (Hyougo univ.), Hiroaki Ohshima (Hyougo univ.), Sumio Fujita, Martin J. Dürst (Aoyama Gakuin univ.); The 25th International Conference on Information Integration and Web Intelligence (iiWAS2023); 2023.11.22

カンファレンス (国際)
Movie Keyword Search Using Large-Scale Language Model With User-Generated Rankings and Reviews: Tensho Miyashita (Aoyama Gakuin univ.), Yoshiyuki Shoji (Aoyama Gakuin univ.), Sumio Fujita, Martin J. Dürst (Aoyama Gakuin univ.); The 25th International Conference on Information Integration and Web Intelligence (iiWAS2023); 2023.11.22

ワークショップ (国内)
ハンズフリーのデバイス操作のための汎用イヤラブルデバイスのIMUセンサーを用いた表情認識手法: 北森迪耶 (東京工業大学), 坪内孝太, 西尾信彦 (立命館大学), 西山勇毅 (東京大学), 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); 2023.11.21

ワークショップ (国内)
敵対的生成モデルに基づく活動人口の波形描画を用いた混雑寿命予報: 安納爽響 (東京工業大学), 坪内孝太, 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); 2023.11.21

論文誌 (国際)
CityOutlook+: Early Crowd Dynamics Forecast through Unbiased Regression with Importance-based Synthetic Oversampling: Soto Anno (Tokyo Institute of Technology), Kota Tsubouchi, Masamichi Shimosaka (Tokyo Institute of Technology); IEEE Pervasive Computing; 2023.11.7

論文誌 (国際)
Data-Driven Estimation of Economic Indicators with Search Big Data in Discontinuous Situation: Goshi Aoki (Keio University), Kazuto Ataka, Takero Doi (Keio University), Kota Tsubouchi; The Journal of Finance and Data Science (JFDS); 2023.11.7

その他 (国内)
Privacy Amplification via Shuffled Check-Ins: Seng Pei Liew, Satoshi Hasegawa, Tsubasa Takahashi; コンピュータセキュリティシンポジウム2023 (CSS2023); 2023.10.31

カンファレンス (国内)
Adversarial federated contextual bandits with large actions in packs: Yaxiong Liu (Hokkaido University/RIKEN), Seng Pei Liew, Yang Cao (Hokkaido University), Atsuyoshi Nakamura (Hokkaido University), Tsubasa Takahashi; 第26回情報論的学習理論ワークショップ (IBIS2023); 2023.10.30

その他 (国内)
秘匿クロス集計の大規模化およびP2P Remote Attestation の導入に関する一検討: 綿岡晃輝, 長谷川聡, 髙橋翼, 竹之内隆夫; コンピュータセキュリティシンポジウム2023 (CSS2023); 2023.10.30

論文誌 (国際)
Forecasting Citywide Crowd Transition Process via Convolutional Recurrent Neural Networks: Zekun Cai (the University of Tokyo), Renhe Jiang (the University of Tokyo), Xinlei Lian (the University of Tokyo), Chuang Yang (the University of Tokyo), Zhaonan Wang (National Institute of Advanced Industrial Science and Technology), Zipei Fan (the University of Tokyo), Kota Tsubouchi, Hill Hiroki Kobayashi (the University of Tokyo), Xuan Song (the University of Tokyo), Ryosuke Shibasaki (the University of Tokyo); IEEE Transactions on Mobile Computing (TMC journal); 2023.10.17

ワークショップ (国際)
Leveraging Image-Text Similarity and Caption Modification for the DataComp Challenge: Filtering Track and BYOD Track: Shuhei Yokoo, Peifei Zhu, Yuchi Ishikawa, Mikihiro Tanaka, Masayoshi Kondo, Hirokatsu Kataoka; ICCV 2023 Workshop on Towards the Next Generation of Computer Vision Datasets: DataComp Track (ICCV 2023); 2023.10.3

カンファレンス (国際)
Bridging the Gap between Subword and Character Segmentation in Pretrained Language Models: Shun Kiyono, Sho Takase, Shengzhe Li, Toshinori Sato; Recent Advances in Natural Language Processing (RANLP 2023); 2023.9.4

カンファレンス (国際)
Off-Policy Evaluation of Ranking Policies under Diverse User Behavior: Haruka Kiyohara (Tokyo Institute of Technology), Masatoshi Uehara (Cornell University), Yusuke Narita (Yale University), Nobuyuki Shimizu (Yahoo Japan Corporation), Yasuo Yamamoto (Yahoo Japan Corporation), Yuta Saito (Cornell University); 29TH ACM SIGKDD CONFERENCE ON KNOWLEDGE DISCOVERY AND DATA MINING (KDD 2023); 2023.8.4

ワークショップ (国際)
Towards Consistency Filtering-Free Unsupervised Learning for Dense Retrieval: Haoxiang Shi (Waseda University), Sumio Fujita, Tetsuya Sakai (Waseda University); Workshop on Reaching Efficiency in Neural Information Retrieval (ReNeuIR '23); 2023.7.27

カンファレンス (国内)
拡散モデルによる画像中の物体の任意色への変換および類似画像検索への応用: 土井賢治, 西村修平, 岩崎雅二郎; 画像の認識・理解シンポジウム MIRU2023 (MIRU); 2023.7.26