OpenPack: A Large-Scale Dataset for Recognizing Packaging Works in IoT-Enabled Logistic Environments.

Naoya Yoshimura, Jaime Morales, Takuya Maekawa, Takahiro Hara

IEEE Int'l Conf. on Pervasive Computing and Communications (PerCom 2024)　p. 90-97　2024/03　Research paper (international conference proceedings)

Automatic recording of rare behaviors of wild animals using video bio-loggers with on-board light-weight outlier detector

Kei Tanigaki, Ryoma Otsuka, Aiyi Li, Yota Hatano, Yuanzhou Wei, Shiho Koyama, Ken Yoda, Takuya Maekawa

PNAS Nexus　2024/01/16　Research paper (scientific journal)

Joint Estimation of the Distance and Relative Velocity of Obstacles via Smartphone Active Sound Sensing for Pedestrian Safety.

Thilina Dissanayake, Takuya Maekawa, Takahiro Hara

PERCOM　p. 32-42　2023/03　Research paper (international conference proceedings)

GPS-assisted Indoor Pedestrian Dead Reckoning.

Heng Zhou, Takuya Maekawa

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies　Vol. 6　No. 4　p. 166-36　2022/12　Research paper (scientific journal)

Predicting Performance Improvement of Human Activity Recognition Model by Additional Data Collection.

Kei Tanigaki, Tze Chuin Teoh, Naoya Yoshimura, Takuya Maekawa, Takahiro Hara

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies　Vol. 6　No. 3　p. 142-33　2022/09　Research paper (scientific journal)

Acceleration-based Activity Recognition of Repetitive Works with Lightweight Ordered-work Segmentation Network

Naoya Yoshimura, Takuya Maekawa, Takahiro Hara, Atsushi Wada, Yasuo Namioka

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies　Vol. 6　No. 2　p. 1-39　2022/07/04　Research paper (scientific journal)

Acceleration-based Human Activity Recognition of Packaging Tasks Using Motif-guided Attention Networks.

Jaime Morales, Naoya Yoshimura, Qingxin Xia, Atsushi Wada, Yasuo Namioka, Takuya Maekawa

IEEE International Conference on Pervasive Computing and Communications(PerCom)　p. 1-12　2022/03　Research paper (international conference proceedings)

Cross-species behavior analysis with attention-based domain-adversarial deep neural networks.

Takuya Maekawa, Daiki Higashide, Takahiro Hara, Kentarou Matsumura, Kaoru Ide, Takahisa Miyatake, Koutarou D Kimura, Susumu Takahashi

Nature communications　Vol. 12　No. 1　p. 5519-5519　2021/09/17　Research paper (scientific journal)

Machine learning enables improved runtime and precision for bio-loggers on seabirds

Joseph Korpela, Hirokazu Suzuki, Sakiko Matsumoto, Yuichi Mizutani, Masaki Samejima, Takuya Maekawa, Junichi Nakai, Ken Yoda

COMMUNICATIONS BIOLOGY　Vol. 3　No. 1　2020/10　Research paper (scientific journal)

Deep learning-assisted comparative analysis of animal trajectories with DeepHL

Takuya Maekawa, Kazuya Ohara, Yizhe Zhang, Matasaburo Fukutomi, Sakiko Matsumoto, Kentarou Matsumura, Hisashi Shidara, Shuhei J. Yamazaki, Ryusuke Fujisawa, Kaoru Ide, Naohisa Nagaya, Koji Yamazaki, Shinsuke Koike, Takahisa Miyatake, Koutarou D. Kimura, Hiroto Ogawa, Susumu Takahashi, Ken Yoda

NATURE COMMUNICATIONS　Vol. 11　No. 1　2020/10　Research paper (scientific journal)

Robust Unsupervised Factory Activity Recognition with Body-worn Accelerometer Using Temporal Structure of Multiple Sensor Data Motifs.

Xia Qingxin, Joseph Korpela, Yasuo Namioka, Takuya Maekawa

Proc. ACM Interact. Mob. Wearable Ubiquitous Technol.　Vol. 4　No. 3　p. 97-97　2020/09　Research paper (scientific journal)

Human Activity Recognition with Deep Reinforcement Learning using the Camera of a Mobile Robot.

Teerawat Kumrai, Joseph Korpela, Takuya Maekawa, Yen Yu, Ryota Kanai

PerCom 2020　p. 1-10　2020/03　Research paper (international conference proceedings)

Unsupervised Factory Activity Recognition with Wearable Sensors Using Process Instruction Information.

Xia Qingxin, Atsushi Wada, Joseph Korpela, Takuya Maekawa, Yasuo Namioka

IMWUT　Vol. 3　No. 2　p. 60:1-60:23-23　2019/06　Research paper (scientific journal)

Detecting Door Events Using a Smartphone via Active Sound Sensing.

Thilina Dissanayake, Takuya Maekawa, Daichi Amagata, Takahiro Hara

IMWUT　Vol. 2　No. 4　2018

Estimating the Physical Distance between Two Locations with Wi-Fi Received Signal Strength Information Using Obstacle-aware Approach.

Tomoya Nakatani, Takuya Maekawa, Masumi Shirakawa, Takahiro Hara

IMWUT　Vol. 2　No. 3　2018

Real-Time Behaviour Recognition on Bio-Loggers Enables Autonomous Audio Playback Experiments in Free-Ranging Seabirds

Ryoma Otsuka, Hibiki Sugiyama, Yuichi Mizutani, Ken Yoda, Takuya Maekawa

Ecology and Evolution　2025/08　Research paper (scientific journal)

Selective Mixup: Exploring Data Augmentation for Long Time Series in Confectionery Manufacturing.

Shuhei J. Yamazaki, Takuya Maekawa

2025 IEEE 8th International Conference on Industrial Cyber-Physical Systems (ICPS)　p. 1-6　2025/05　Research paper (international conference proceedings)

Biologging intelligent Platform (BiP): an integrated and standardized platform for sharing, visualizing, and analyzing biologging data

Katsufumi Sato, Shinichi Watanabe, Takuji Noda, Takuya Koizumi, Ken Yoda, Yuuki Y. Watanabe, Kentaro Q. Sakamoto, Teijiro Isokawa, Makoto A. Yoshida, Kagari Aoki, Akinori Takahashi, Takashi Iwata, Hideaki Nishizawa, Takuya Maekawa, Ryo Kawabe, Yutaka Watanuki

Movement Ecology　Vol. 13　No. 1　2025/04/01　Research paper (scientific journal)

Enhancing Environmental Independency for CSI-Based Depth Image Reconstruction

Guanyu Cao, Takuya Maekawa, Kazuya Ohara, Yasue Kishino

PerCom 2025 Workshop on WiSense 2025　p. 537-542　2025/03　Research paper (international conference proceedings)

Deep learning-based fine-grained assessment of aneurysm wall characteristics using 4D-CT angiography.

Teerawat Kumrai, Takuya Maekawa, Yixuan Chen, Yoshie Sugiyama, Masatoshi Takagaki, Shigeo Yamashiro, Katsumi Takizawa, Tsutomu Ichinose, Fujimaro Ishida, Haruhiko Kishima

PeerJ　Vol. 13　2025　Research paper (scientific journal)

A benchmark for computational analysis of animal behavior, using animal-borne tags

Benjamin Hoffman, Maddie Cusimano, Vittorio Baglione, Daniela Canestrari, Damien Chevallier, Dominic L. DeSantis, Lorène Jeantet, Monique A. Ladds, Takuya Maekawa, Vicente Mata-Silva, Víctor Moreno-González, Anthony M. Pagano, Eva Trapote, Outi Vainio, Antti Vehkaoja, Ken Yoda, Katherine Zacarian, Ari Friedlaender

Movement Ecology　Vol. 12　No. 1　2024/12/18　Research paper (scientific journal)

Preliminary Investigation of Activity Prediction in Nursing Homes using Activity History with Erroneous Time Stamps

Ryuichiro Okuda, Qingxin Xia, Takuya Maekawa, Takahiro Hara, Sozo Inoue

COMPANION OF THE 2024 ACM INTERNATIONAL JOINT CONFERENCE ON PERVASIVE AND UBIQUITOUS COMPUTING, UBICOMP COMPANION 2024　p. 851-855　2024/10　Research paper (international conference proceedings)

Brief Introduction of the OpenPack Dataset and Lessons Learned from Organizing Activity Recognition Challenge Using the Dataset

Takuya Maekawa, Naoya Yoshimura, Jaime Morales, Takahiro Hara

COMPANION OF THE 2024 ACM INTERNATIONAL JOINT CONFERENCE ON PERVASIVE AND UBIQUITOUS COMPUTING, UBICOMP COMPANION 2024　p. 116-120　2024/10　Research paper (international conference proceedings)

作業者，作業対象，およびその作用点情報を統合的に用いた作業行動認識手法

大島 宏友, 福田 雅允, 前川 卓也, 浪岡 保男

情報処理学会論文誌　Vol. 65　No. 10　p. 1501-1510　2024/10　Research paper (scientific journal)

AoA-net: Estimating Angle-of-arrival Using Wi-Fi Channel State Information Based on Deep Neural Networks with Subcarrier Selection

Teerawat Kumrai, Zesheng Cai, Takuya Maekawa, Takahiro Hara, Kazuya Ohara, Tomoki Murakami, Hirantha Abeysekera

Journal of Information Processing　Vol. 32　p. 863-872　2024/10　Research paper (scientific journal)

Hidden rivals: the negative impacts of dolphinfish on seabird foraging behaviour

Shiho Koyama, Yusuke Goto, Seishiro Furukawa, Takuya Maekawa, Ken Yoda

Biology Letters　Vol. 20　No. 8　2024/08/07　Research paper (scientific journal)

Activity Prediction Method for Nursing Care Records with Missing Entries

Ryuichiro Okuda, Qingxin Xia, Takuya Maekawa, Takahiro Hara, Sozo Inoue

International Journal of Activity and Behavior Computing　Vol. 2024　No. 2　p. 1-17　2024/06　Research paper (scientific journal)

Introduction of the OpenPack Dataset and Lessons Learned from Organizing OpenPack Challenge 2022

Takuya Maekawa, Naoya Yoshimura, Jaime Morales, Takahiro Hara

International Journal of Activity and Behavior Computing　Vol. 2024　No. 2　p. 1-21　2024/06　Research paper (scientific journal)

Preliminary Investigation of SSL for Complex Work Activity Recognition in Industrial Domain via MoIL.

Qingxin Xia, Takuya Maekawa, Jaime Morales, Takahiro Hara, Hirotomo Oshima, Masamitsu Fukuda, Yasuo Namioka

PerCom 2024 Work in progress session　p. 465-468　2024/03　Research paper (international conference proceedings)

Artifact: OpenPack: A Large-scale Dataset for Recognizing Packaging Works in Logistic Environments.

Naoya Yoshimura, Jaime Morales, Takuya Maekawa, Takahiro Hara

PerCom Workshops　p. 1-2　2024/03　Research paper (international conference proceedings)

Editor's Message to Special Issue of Ubiquitous Computing Systems (XII).

Takuya Maekawa

Journal of Information Processing　Vol. 32　p. 861-862　2024　Research paper (scientific journal)

User-irrelevant Cross-domain Association Analysis for Cross-domain Recommendation with Transfer Learning

Hao Niu, Duc Nguyen, Kei Yonekawa, Mori Kurokawa, Chihiro Ono, Daichi Amagata, Takuya Maekawa, Takahiro Hara

4th Workshop on Intelligent Cross-Data Analysis and Retrieval　2023/06/12　Research paper (international conference proceedings)

Unsupervised Human Activity Recognition through Two-stage Prompting with ChatGPT.

Qingxin Xia, Takuya Maekawa, Takahiro Hara

CoRR　Vol. abs/2306.02140　2023/06　Research paper (scientific journal)

Biologging intelligent Platform（BiP）により実現する バイオロギングデータの共有と海洋の可視化

渡辺 伸一, 野田 琢嗣, 小泉 拓也, 依田 憲, 吉田 誠, 岩田 高志, 西澤 秀明, 奥山 隼一, 青木 かがり, 木村 里子, 坂本 健太郎, 高橋 晃周, 前川 卓也, 楢崎 友子, 三田村 啓理, 佐藤 克文

日本生態学会誌　Vol. 73　No. 1　p. 9-22　2023/03　Research paper (scientific journal)

Automated construction of Wi-Fi-based indoor logical location predictor using crowd-sourced photos with Wi-Fi signals.

Teerawat Kumrai, Joseph Korpela, Yizhe Zhang, Kazuya Ohara, Tomoki Murakami, Hirantha Abeysekera, Takuya Maekawa

Pervasive Mob. Comput.　Vol. 89　p. 101742-101742　2023/02　Research paper (scientific journal)

An Effective and Efficient Self-Attention Based Model for Next POI Recommendation.

Qingxin Xia, Takahiro Hara, Takuya Maekawa, Mori Kurokawa, Kei Yonekawa

PerCom Workshops　p. 478-483　2023　Research paper (international conference proceedings)

Recent Trends in Sensor-based Activity Recognition.

Takuya Maekawa, Qingxin Xia, Ryoma Otsuka, Naoya Yoshimura, Kei Tanigaki

MDM　p. 36-38　2023　Research paper (international conference proceedings)

MGA-Net+: Acceleration-based packaging work recognition using motif-guided attention networks.

Jaime Morales, Naoya Yoshimura, Qingxin Xia, Atsushi Wada, Yasuo Namioka, Takuya Maekawa

Pervasive Mob. Comput.　Vol. 88　p. 101735-101735　2023/01　Research paper (scientific journal)

Few-Shot and Weakly Supervised Repetition Counting With Body-Worn Accelerometers

Yuuki Nishino, Takuya Maekawa, Takahiro Hara

Frontiers in Computer Science　Vol. 4　2022/07/14　Research paper (scientific journal)

IndoLabel: Predicting Indoor Location Class by Discovering Location-Specific Sensor Data Motifs

Thilina Dissanayake, Takuya Maekawa, Takahiro Hara, Taiki Miyanishi, Motoaki Kawanabe

IEEE Sensors Journal　2022/03/15　Research paper (scientific journal)

HML4Rec: Hierarchical meta-learning for cold-start recommendation in flash sale e-commerce.

Zhi Li, Daichi Amagata, Yihong Zhang 0001, Takuya Maekawa, Takahiro Hara, Kei Yonekawa, Mori Kurokawa

Knowl. Based Syst.　Vol. 255　p. 109674-109674　2022　Research paper (scientific journal)

Fréchet Kernel for Trajectory Data Analysis.

Koh Takeuchi, Masaaki Imaizumi, Shunsuke Kanda, Yasuo Tabei, Keisuke Fujii 0001, Ken Yoda, Masakazu Ishihata, Takuya Maekawa

SIGSPATIAL '21: 29th International Conference on Advances in Geographic Information Systems(SIGSPATIAL/GIS)　p. 221-224　2021/11　Research paper (international conference proceedings)

Predicting Next-use Mobile Apps Using App Semantic Representations.

Cheng Chen, Takuya Maekawa, Daichi Amagata, Takahiro Hara

Journal of Information Processing　Vol. 29　p. 597-609　2021/10　Research paper (scientific journal)

WeakCounter: Acceleration-based Repetition Counting of Actions with Weakly Supervised Learning

Yuuki Nishino, Takuya Maekawa, Takahiro Hara

2021 International Symposium on Wearable Computers　2021/09/21　Research paper (international conference proceedings)

Toward Understanding Acceleration-based Activity Recognition Neural Networks with Activation Maximization.

Naoya Yoshimura, Takuya Maekawa, Takahiro Hara

International Joint Conference on Neural Networks(IJCNN)　p. 1-8　2021/07　Research paper (international conference proceedings)

Using Social Media Background to Improve Cold-Start Recommendation Deep Models.

Yihong Zhang, Takuya Maekawa, Takahiro Hara

International Joint Conference on Neural Networks(IJCNN)　p. 1-8　2021/07　Research paper (international conference proceedings)

Automatic identification of differences in behavioral co-occurrence between groups

Yiming Tian, Takuya Maekawa, Joseph Korpela, Daichi Amagata, Takahiro Hara, Sakiko Matsumoto, Ken Yoda

ANIMAL BIOTELEMETRY　Vol. 9　No. 1　2021/06　Research paper (scientific journal)

Visualization of Deep Feature Representation Toward Transfer Learning of Activity Recognition Models

吉村直也, 前川卓也, 原隆浩

情報処理学会論文誌ジャーナル(Web)　Vol. 62　No. 5　2021/05　Research paper (scientific journal)

Sim2RealQA: Using Life Simulation to Solve Question Answering Real-World Events

Taiki Miyanishi, Takuya Maekawa, Motoaki Kawanabe

IEEE Access　Vol. 9　p. 75003-75020　2021/05　Research paper (scientific journal)

Capture of flying insects by Black-tailed Gulls Larus crassirostris over inland and offshore areas

水谷友一, 鈴木宏和, 前川卓也, KORPELA Joseph, 宮竹貴久, 越山洋三, 依田憲

日本鳥学会誌　Vol. 70　No. 1　2021/04　Research paper (scientific journal)

NaviMine: A tool for mining trajectories through behavior prediction.

Yiming Tian, Takuya Maekawa, Takahiro Hara, Yojiro Yokomori, Takashi Kitagawa

PerCom 2021 Workshops　p. 502-507　2021/03　Research paper (international conference proceedings)

Comparative Analysis of High- and Low-Performing Factory Workers with Attention-Based Neural Networks.

Qingxin Xia, Atsushi Wada, Takanori Yoshii, Yasuo Namioka, Takuya Maekawa

Mobile and Ubiquitous Systems: Computing, Networking and Services - 18th EAI International Conference(MobiQuitous)　p. 469-480　2021　Research paper (international conference proceedings)

Using Social Media Background to Improve Cold-start Recommendation Deep Models.

Yihong Zhang 0001, Takuya Maekawa, Takahiro Hara

CoRR　Vol. abs/2106.02256　2021　Research paper (scientific journal)

Context Recognition by Wireless Sensing: A Comprehensive Survey.

Akira Uchiyama, Shunsuke Saruwatari, Takuya Maekawa, Kazuya Ohara, Teruo Higashino

J. Inf. Process.　Vol. 29　p. 46-57　2021/01　Research paper (scientific journal)

Smartphone-assisted Automatic Indoor Localization of BLE-enabled Appliances Using BLE and GNSS Signals.

Masayuki Fujiwara, Tomoya Nakatani, Yiming Tian, Joseph Korpela, Takuya Maekawa, Takahiro Hara

BuildSys '20: The 7th ACM International Conference on Systems for Energy-Efficient Buildings, Cities, and Transportation(BuildSys@SenSys)　p. 80-89　2020/11　Research paper (international conference proceedings)

Two-Stream Spatiotemporal Compositional Attention Network for VideoQA.

Taiki Miyanishi, Takuya Maekawa, Motoaki Kawanabe

31st British Machine Vision Conference 2020(BMVC)　2020/09　Research paper (international conference proceedings)

Upsampling Method for Wearable Inertial Sensors with Neural Networks

吉村直也, 前川卓也, 天方大地, 原隆浩

情報処理学会論文誌ジャーナル(Web)　Vol. 61　No. 8　p. 1285-1293　2020/08

生物のナビゲーションに学ぶ(第14回)動物に搭載した人工知能 : バイオロギングの捕捉機能を大幅に向上

前川 卓也, Korpela Joseph

遺伝 : 生物の科学　Vol. 74　No. 3　p. 322-327　2020/05　Research paper (scientific journal)

Detecting Reinforcement Learning-based Grey Hole Attack in Mobile Wireless Sensor Networks

Boqi Gao, Takuya Maekawa, Daichi Amagata, Takahiro Hara

IEICE Transactions on Communications　2020/05　Research paper (scientific journal)

Similarity of Speech Emotion in Different Languages Revealed by A Neural Network with Attention

Changzeng Fu, Thilina Dissanayake, Kazufumi Hosoda, Takuya Maekawa, Hiroshi Ishiguro

2020 IEEE 14TH INTERNATIONAL CONFERENCE ON SEMANTIC COMPUTING (ICSC 2020)　p. 381-386　2020/02　Research paper (international conference proceedings)

On the Transferability of Deep Neural Networks for Recommender System.

Duc Nguyen, Hao Niu, Kei Yonekawa, Mori Kurokawa, Chihiro Ono, Daichi Amagata, Takuya Maekawa, Takahiro Hara

Proceedings of the Workshop on Interactive Adaptive Learning co-located with European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML PKDD 2020)(IAL@PKDD/ECML)　p. 22-37　2020　Research paper (international conference proceedings)

Advertiser-Assisted Behavioral Ad-Targeting via Denoised Distribution Induction.

Kei Yonekawa, Hao Niu, Mori Kurokawa, Arei Kobayashi, Daichi Amagata, Takuya Maekawa, Takahiro Hara

2019 IEEE International Conference on Big Data (IEEE BigData)　p. 5611-5619　2019/12　Research paper (international conference proceedings)

Towards Overhead Semantic Part Segmentation of Workers in Factory Environments from Depth Images using a FCN

Masakazu Yoshimura, Murilo M. Marinho, Atsushi Nakazawa, Kanako Harada, Mamoru Mitsuishi, Takuya Maekawa, and Yasuo Namioka

2019 IEEE International Conference on Cyborg and Bionic Systems(CBS2019)　p. 204-209　2019/09　Research paper (international conference proceedings)

A Heterogeneous Domain Adversarial Neural Network for Trans-Domain Behavioral Targeting.

Kei Yonekawa, Hao Niu, Mori Kurokawa, Arei Kobayashi, Daichi Amagata, Takuya Maekawa, Takahiro Hara

Proc. of Pacific-Asia Conference on Knowledge Discovery and Data Mining (Workshops)　p. 274-285　2019/09　Research paper (international conference proceedings)

Upsampling Inertial Sensor Data from Wearable Smart Devices using Neural Networks

Naoya Yoshimura, Takuya Maekawa, Daichi Amagata, Takahiro Hara

Proc. of IEEE International Conference on Distributed Computing Systems (IEEE ICDCS 2019)　p. 1983-1993　2019/07　Research paper (international conference proceedings)

STEFTR: A Hybrid Versatile Method for State Estimation and Feature Extraction From the Trajectory of Animal Behavior.

Shuhei J Yamazaki, Kazuya Ohara, Kentaro Ito, Nobuo Kokubun, Takuma Kitanishi, Daisuke Takaichi, Yasufumi Yamada, Yosuke Ikejiri, Fumie Hiramatsu, Kosuke Fujita, Yuki Tanimoto, Akiko Yamazoe-Umemoto, Koichi Hashimoto, Katsufumi Sato, Ken Yoda, Akinori Takahashi, Yuki Ishikawa, Azusa Kamikouchi, Shizuko Hiryu, Takuya Maekawa, Koutarou D Kimura

Frontiers in neuroscience　Vol. 13　p. 626-626　2019/06　Research paper (scientific journal)

AI on animals: AI-assisted animal-borne logger never misses the moments that biologists want

Joseph M. Korpela, Hirokazu Suzuki, Sakiko Matsumoto, Yuichi Mizutani, Masaki Samejima, Takuya Maekawa, Junichi Nakai, Ken Yoda

2019/05/07

Preliminary Investigation of Alleviating User Cold-Start Problem in E-commerce with Deep Cross-Domain Recommender System.

Hanxin Wang, Daichi Amagata, Takuya Maekawa, Takahiro Hara, Hao Niu, Kei Yonekawa, Mori Kurokawa

Companion of The 2019 World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019.　p. 398-403　2019/05

Behavior Matching between Different Domains based on Canonical Correlation Analysis.

Yuan Lyu, Daichi Amagata, Takuya Maekawa, Takahiro Hara, Hao Niu, Kei Yonekawa, Mori Kurokawa

Companion of The 2019 World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019.　p. 361-366　2019/05

Fast Frequent Co‐occurrence Rule Extracting Method from Multi‐modal Trajectory Data

TIAN Yiming, 前川卓也, 天方大地, 原隆浩, 松本祥子, 依田憲, 藤岡慧明, 濱井郁弥, 福井大, 飛龍志津子

情報処理学会論文誌ジャーナル(Web)　Vol. 60　No. 3　2019/03/15

Estimating User Contexts from Mobile Application Usage Histories.

Toshimitsu Kamiya, Tatsuya Nakamura, Takuya Maekawa, Daichi Amagata, Takahiro Hara

IEEE International Conference on Pervasive Computing and Communications Workshops, PerCom Workshops 2019, Kyoto, Japan, March 11-15, 2019　p. 765-770　2019/03

Object-based Activity Recognition Using Egocentric Video Based on Web Knowledge.

Tomoya Nakatani, Ryohei Kuga, Takuya Maekawa

IEEE International Conference on Pervasive Computing and Communications Workshops, PerCom Workshops 2019, Kyoto, Japan, March 11-15, 2019　p. 620-625　2019/03

Preliminary Investigation of Predicting Next-Use Mobile Apps Using App Semantic Representations.

Cheng Chen, Takuya Maekawa, Daichi Amagata, Takahiro Hara

IEEE International Conference on Pervasive Computing and Communications Workshops, PerCom Workshops 2019, Kyoto, Japan, March 11-15, 2019　p. 391-394　2019/03

Robust Malicious Node Detection with Ensemble Learning in MANETs

GAO Boqi, 前川卓也, 天方大地, 原隆浩

情報処理学会論文誌ジャーナル(Web)　Vol. 60　No. 2　2019/02/15

Preface: special issue on systems science of bio-navigation.

Koichi Hashimoto, Yuichi Tsumaki, Takuya Maekawa, Shizuko Hiryu

Advanced Robotics　Vol. 33　No. 3-4　2019/02　Research paper (scientific journal)

Privacy preserving recognition of object-based activities using near-infrared reflective markers

Joseph Korpela, Takuya Maekawa

Personal and Ubiquitous Computing　Vol. 22　No. 2　p. 365-377　2018/04/01　Research paper (scientific journal)

アクティブサウンドセンシングを用いた屋内日常物のイベント検知に関する検討

Thilina Dissanayake, 前川 卓也, 天方 大地, 原 隆浩

情報処理学会研究報告(ユビキタスコンピューティングシステム研究会)　Vol. 2018-UBI-57　No. 18　p. 1-9　2018/02　Research paper (other academic)

Device-free and Privacy Preserving Indoor Positioning with Infrared Retro-reflection

山藤浩明, 前川卓也, 松下康之

情報処理学会論文誌ジャーナル(Web)　Vol. 59　No. 1　2018/01/15

Environment-Adaptive Malicious Node Detection in MANETs with Ensemble Learning.

Boqi Gao, Takuya Maekawa, Daichi Amagata, Takahiro Hara

38th IEEE International Conference on Distributed Computing Systems, ICDCS 2018, Vienna, Austria, July 2-6, 2018　p. 556-566　2018

Easy-to-Install Methods for Indoor Context Recognition Using Wi-Fi Signals.

Kazuya Ohara, Takuya Maekawa

Distributed, Ambient and Pervasive Interactions: Technologies and Contexts - 6th International Conference, DAPI 2018, Held as Part of HCI International 2018, Las Vegas, NV, USA, July 15-20, 2018, Proceedings, Part II　p. 112-124　2018

Generating an Event Timeline About Daily Activities From a Semantic Concept Stream.

Taiki Miyanishi, Junichiro Hirayama, Takuya Maekawa, Motoaki Kawanabe

Proceedings of the Thirty-Second AAAI Conference on Artificial Intelligence, New Orleans, Louisiana, USA, February 2-7, 2018　2018

Unobtrusive detection of body movements during sleep using Wi-Fi received signal strength with model adaptation technique

Osamu Ammae, Joseph Korpela, Takuya Maekawa

FUTURE GENERATION COMPUTER SYSTEMS-THE INTERNATIONAL JOURNAL OF ESCIENCE　Vol. 78　p. 616-625　2018/01　Research paper (scientific journal)

Virtual Touch-Point: Trans-Domain Behavioral Targeting via Transfer Learning.

Mori Kurokawa, Hao Niu, Kei Yonekawa, Arei Kobayashi, Daichi Amagata, Takuya Maekawa, Takahiro Hara

IEEE International Conference on Big Data, Big Data 2018, Seattle, WA, USA, December 10-13, 2018　p. 4762-4767　2018

Preliminary Investigation of Detecting Events of Indoor Objects with Smartphone Active Sound Sensing.

Thilina Dissanayake, Takuya Maekawa, Daichi Amagata, Takahiro Hara

2018 IEEE International Conference on Pervasive Computing and Communications Workshops, PerCom Workshops 2018, Athens, Greece, March 19-23, 2018　p. 500-503　2018

Preliminary Investigation of Fine-Grained Gesture Recognition With Signal Super-Resolution.

Naoya Yoshimura, Takuya Maekawa, Daichi Amagata, Takahiro Hara

2018 IEEE International Conference on Pervasive Computing and Communications Workshops, PerCom Workshops 2018, Athens, Greece, March 19-23, 2018　p. 484-487　2018

Preliminary Investigation of Position Independent Gesture Recognition Using Wi-Fi CSI.

Kazuya Ohara, Takuya Maekawa, Stephan Sigg, Moustafa Youssef

2018 IEEE International Conference on Pervasive Computing and Communications Workshops, PerCom Workshops 2018, Athens, Greece, March 19-23, 2018　p. 480-483　2018

Preliminary Investigation of Object-based Activity Recognition Using Egocentric Video Based on Web Knowledge.

Tomoya Nakatani, Ryohei Kuga, Takuya Maekawa

Proceedings of the 17th International Conference on Mobile and Ubiquitous Multimedia, MUM 2018, Cairo, Egypt, November 25-28, 2018　p. 375-381　2018

Unconstrained Person Identification from Ceiling Using Multiview Learning for Tabletop Users

Yasuo Namioka, Akira Masuda, Takuya Maekawa

Vol. 58　No. 10　2017/10/15

Automatic Measurement of Lead Time of Repetitive Assembly Work in a Factory Using a Wearable Sensor

Yasuo Namioka, Daisuke Nakai, Kazuya Ohara, Takuya Maekawa

Vol. 58　No. 10　2017/10/15

Environment-independent Activity Recognition Based on Web Knowledge Using Egocentric Video

久賀稜平, 前川卓也, 前川卓也, 松下康之

情報処理学会論文誌ジャーナル(Web)　Vol. 58　No. 10　p. 1664‐1673 (WEB ONLY)-1673　2017/10/15

Contextual Information Based Home Appliances Selection with Smart Glass

KONG Quan, KONG Quan, 前川卓也, 前川卓也, 宮西大樹, 須山敬之

情報処理学会論文誌ジャーナル(Web)　Vol. 58　No. 10　p. 1712‐1723 (WEB ONLY)-1723　2017/10/15

Active/passive Sensing-based Indoor Location Semantics Estimation with Environment Independent Learning

立川雅也, 前川卓也, 前川卓也, 松下康之

情報処理学会論文誌ジャーナル(Web)　Vol. 58　No. 10　p. 1655‐1663 (WEB ONLY)-1663　2017/10/15

Spatio-temporal adaptive indoor positioning using an ensemble approach

Taisei Hayashi, Daisuke Taniuchi, Joseph Korpela, Takuya Maekawa

PERVASIVE AND MOBILE COMPUTING　Vol. 41　p. 319-332　2017/10　Research paper (scientific journal)

Unconstrained person identification from ceiling using multiview learning for tabletop users

Yasuo Namioka, Akira Masuda, Takuya Maekawa

Journal of Information Processing　Vol. 25　p. 889-900　2017/10/01　Research paper (scientific journal)

Preliminary evaluation of a framework for overhead skeleton tracking in factory environments using kinect

Murilo M. Marinho, Takuya Maekawa, Yuki Yatsushima, Yasuo Namioka

ACM International Conference Proceeding Series　Vol. Part F131931　2017/09/21　Research paper (international conference proceedings)

Metric structure from motion by indoor localization using Wi-Fi channel state information

Kazuya Ohara, Taisei Hayashi, Takuya Maekawa, Yasuyuki Matsushita

2017 IEEE International Conference on Mechatronics and Automation, ICMA 2017　p. 352-357　2017/08/23　Research paper (international conference proceedings)

State Change Detection Method for Indoor Fixtures Based on Wi-Fi Channel State Information

尾原和也, 前川卓也, 松下康之

情報処理学会論文誌ジャーナル(Web)　Vol. 58　No. 1　p. 123‐132 (WEB ONLY)-132　2017/01/15

Development of Event-driven Logger for Bio-logging

SAMEJIMA Masaki, MAEKAWA Takuya, KISHINO Yasue, NAKAI Junichi, YODA Ken

The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec)　Vol. 2017　p. 2A2-P06　2017

Device-free and Privacy Preserving Indoor Positioning using Infrared Retro-reflection Imaging

Hiroaki Santo, Takuya Maekawa, Yasuyuki Matsushita

2017 IEEE INTERNATIONAL CONFERENCE ON PERVASIVE COMPUTING AND COMMUNICATIONS (PERCOM)　p. 141-152　2017　Research paper (international conference proceedings)

Good pervasive computing studies require laborious data labeling efforts: Our experience in activity recognition and indoor positioning studies.

Takuya Maekawa

2017 IEEE International Conference on Pervasive Computing and Communications Workshops, PerCom Workshops 2017, Kona, Big Island, HI, USA, March 13-17, 2017　2017

Never Abandon Minorities: Exhaustive Extraction of Bursty Phrases on Microblogs Using Set Cover Problem.

Masumi Shirakawa, Takahiro Hara, Takuya Maekawa

Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing, EMNLP 2017, Copenhagen, Denmark, September 9-11, 2017　p. 2358-2367　2017

Easy to install indoor positioning system that parasitizes home lighting

Takuya Maekawa, Yuki Sakumichi

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 10217　p. 124-129　2017　Research paper (international conference proceedings)

How Well Can a User's Location Privacy Preferences be Determined Without Using GPS Location Data?

Takuya Maekawa, Naomi Yamashita, Yasushi Sakurai

IEEE Trans. Emerging Topics Comput.　Vol. 5　No. 4　p. 526-539　2017　Research paper (scientific journal)

Automatic Measurement of Lead Time of Repetitive Assembly Work in a Factory Using a Wearable Sensor

Namioka Yasuo, Nakai Daisuke, Ohara Kazuya, Maekawa Takuya

Journal of Information Processing　Vol. 25　No. 0　p. 901-911　2017　Research paper (scientific journal)

Detecting State Changes of Indoor Everyday Objects using Wi-Fi Channel State Information.

Kazuya Ohara, Takuya Maekawa, Yasuyuki Matsushita

IMWUT　Vol. 1　No. 3　2017

Daily Activity Sensing Technologies using Wearable Devices and Their Applications to Animal Behaviour Recognition

前川卓也, 鮫島正樹

日本ロボット学会誌　Vol. 35　No. 2　p. 105‐109(J‐STAGE)-109　2017

Identification from ceiling: Unconstrained person identification for tabletops using multiview learning

Takuya Maekawa, Akira Masuda, Yasuo Namioka

ACM International Conference Proceeding Series　p. 273-284　2016/12/12　Research paper (international conference proceedings)

Toward practical factory activity recognition: Unsupervised understanding of repetitive assembly work in a factory

Takuya Maekawa, Daisuke Nakai, Kazuya Ohara, Yasuo Namioka

UbiComp 2016 - Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing　p. 1088-1099　2016/09/12　Research paper (international conference proceedings)

Predicting location semantics combining active and passive sensing with environment-independent classifier

Masaya Tachikawa, Takuya Maekawa, Yasuyuki Matsushita

UbiComp 2016 - Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing　p. 220-231　2016/09/12　Research paper (international conference proceedings)

Selecting home appliances with smart glass based on contextual information

Quan Kong, Takuya Maekawa, Taiki Miyanishi, Takayuki Suyama

UbiComp 2016 - Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing　p. 97-108　2016/09/12　Research paper (international conference proceedings)

Toothbrushing performance evaluation using smartphone audio based on hybrid HMM-recognition/SVM-regression model

Joseph Korpela, Ryosuke Miyaji, Takuya Maekawa, Kazunori Nozaki, Hiroo Tamagawa

Journal of Information Processing　Vol. 24　No. 2　p. 302-313　2016/03/15　Research paper (scientific journal)

Estimating physical characteristics with body-worn accelerometers based on activity similarities

Akira Masuda, Takuya Maekawa

Journal of Information Processing　Vol. 24　No. 2　p. 237-246　2016/03/15　Research paper (scientific journal)

Sonic home: Environmental sound collection game for human activity recognition

Akira Masuda, Kun Zhang, Takuya Maekawa

Journal of Information Processing　Vol. 24　No. 2　p. 203-210　2016/03/15　Research paper (scientific journal)

Transferring Positioning Model for Device-free Passive Positioning Based on Wi-Fi Signals

尾原和也, 前川卓也, 岸野泰恵, 白井良成, 納谷太

情報処理学会論文誌ジャーナル(Web)　Vol. 57　No. 2　p. 406-415 (WEB ONLY)-415　2016/02/15

Preface to the special issue on "Asian Conference on information systems 2014/ 2015"

Takuya Maekawa

IEEJ Transactions on Electronics, Information and Systems　Vol. 136　No. 12　2016　Research paper (scientific journal)

Towards Unsupervised Measurement of Assembly Work Cycle Time by Using Wearable Sensor

Daisuke Nakai, Takuya Maekawa, Yasuo Namioka

2016 IEEE INTERNATIONAL CONFERENCE ON PERVASIVE COMPUTING AND COMMUNICATION WORKSHOPS (PERCOM WORKSHOPS)　p. 1-4　2016　Research paper (international conference proceedings)

Preliminary Investigation of Unconstrained Person Identification for Tabletops using Soft Biometrics

Akira Masuda, Takuya Maekawa, Yasuo Namioka

2016 IEEE INTERNATIONAL CONFERENCE ON PERVASIVE COMPUTING AND COMMUNICATION WORKSHOPS (PERCOM WORKSHOPS)　p. 1-4　2016　Research paper (international conference proceedings)

Tree-structured Classifier for Acceleration-based Activity and Gesture Recognition on Smartwatches

Joseph Korpela, Takuya Maekawa, Julien Eberle, Dipanjan Chakraborty, Karl Aberer

2016 IEEE INTERNATIONAL CONFERENCE ON PERVASIVE COMPUTING AND COMMUNICATION WORKSHOPS (PERCOM WORKSHOPS)　p. 1-4　2016　Research paper (international conference proceedings)

Initial investigation of indoor positioning system that parasitizes home lighting.

Takuya Maekawa, Yuki Sakumichi

Proceedings of the 15th International Conference on Mobile and Ubiquitous Multimedia, Rovaniemi, Finland, December 12-15, 2016　p. 319-321　2016

Egocentric Video Search via Physical Interactions.

Taiki Miyanishi, Junichiro Hirayama, Quan Kong, Takuya Maekawa, Hiroki Moriya, Takayuki Suyama

Proceedings of the Thirtieth AAAI Conference on Artificial Intelligence, February 12-17, 2016, Phoenix, Arizona, USA.　p. 330-337　2016

An energy-aware method for the joint recognition of activities and gestures using wearable sensors

Joseph Korpela, Kazuyuki Takase, Takahiro Hirashima, Takuya Maekawa, Julien Eberle, Dipanjan Chakraborty, Karl Aberer

ISWC 2015 - Proceedings of the 2015 ACM International Symposium on Wearable Computers　p. 101-108　2015/09/07　Research paper (international conference proceedings)

Technologies for practical use of big data - Trend of applications, technologies, and benefits

Kei Utsugi, Takuya Maekawa, Tetsuo Tanaka

IEEJ Transactions on Electronics, Information and Systems　Vol. 135　No. 6　p. 564-569　2015/06/01　Research paper (scientific journal)

Reducing computation costs for activity and gesture recognition using a tree-structured ensemble classifier

Joseph Korpela, Takuya Maekawa, Julien Eberle, Dipanjan Chakraborty, Karl Aberer

IEEJ Transactions on Electronics, Information and Systems　Vol. 135　No. 6　p. 637-643　2015/06/01　Research paper (scientific journal)

Identifying Outlets at which Electrical Appliances are Used by Sensing Indoor Electrical System

KONG Quan, 前川卓也

情報処理学会論文誌ジャーナル(Web)　Vol. 56　No. 3　p. 869-878 (WEB ONLY)-878　2015/03/15

Automatic Update of Indoor Location Fingerprints with Pedestrian Dead Reckoning

Daisuke Taniuchi, Takuya Maekawa

ACM TRANSACTIONS ON EMBEDDED COMPUTING SYSTEMS　Vol. 14　No. 2　2015/03　Research paper (scientific journal)

Spring Model Based Collaborative Indoor Position Estimation With Neighbor Mobile Devices

Daisuke Taniuchi, Xiaopeng Liu, Daisuke Nakai, Takuya Maekawa

IEEE JOURNAL OF SELECTED TOPICS IN SIGNAL PROCESSING　Vol. 9　No. 2　p. 268-277　2015/03　Research paper (scientific journal)

Recognizing the Use of Portable Electrical Appliances Using Hand-worn Coil

前川卓也, 岸野泰恵, 柳沢豊, 櫻井保志

情報処理学会論文誌ジャーナル(Web)　Vol. 56　No. 1　p. 239-249 (WEB ONLY)-249　2015/01/15

Recognizing the Use of Portable Electrical Appliances Using Battery-shaped Sensor Node

前川卓也, 岸野泰恵, 柳沢豊, 櫻井保志

情報処理学会論文誌ジャーナル(Web)　Vol. 56　No. 1　p. 229-238 (WEB ONLY)-238　2015/01/15

Transferring Positioning Model for Device-free Passive Indoor Localization

Kazuya Ohara, Takuya Maekawa, Yasue Kishino, Yoshinari Shirai, Futoshi Naya

PROCEEDINGS OF THE 2015 ACM INTERNATIONAL JOINT CONFERENCE ON PERVASIVE AND UBIQUITOUS COMPUTING (UBICOMP 2015)　p. 885-896　2015　Research paper (international conference proceedings)

Evaluating Tooth Brushing Performance With Smartphone Sound Data

Joseph Korpela, Ryosuke Miyaji, Takuya Maekawa, Kazunori Nozaki, Hiroo Tamagawa

PROCEEDINGS OF THE 2015 ACM INTERNATIONAL JOINT CONFERENCE ON PERVASIVE AND UBIQUITOUS COMPUTING (UBICOMP 2015)　p. 109-120　2015　Research paper (international conference proceedings)

Robust Wi-Fi based indoor positioning with ensemble learning

Daisuke Taniuchi, Takuya Maekawa

International Conference on Wireless and Mobile Computing, Networking and Communications　p. 592-597　2014/11/18　Research paper (international conference proceedings)

Reusing training data with generative/discriminative hybrid model for practical acceleration-based activity recognition

Quan Kong, Takuya Maekawa

COMPUTING　Vol. 96　No. 9　p. 875-895　2014/09　Research paper (scientific journal)

日常行動センシング・認識技術とその応用

前川卓也

システム/制御/情報　Vol. 58　No. 1　p. 9-14　2014/01/15

Positioning Error Detection and Correction Methods for Wi-Fi Based Localization

津田祐輝, KONG Quan, 前川卓也

情報処理学会論文誌ジャーナル(Web)　Vol. 55　No. 1　p. 378-388 (WEB ONLY)-388　2014/01/15

Robust Indoor Positioning Method Based on Automatic Update of Wi-Fi Fingerprints

谷内大祐, 前川卓也

情報処理学会論文誌ジャーナル(Web)　Vol. 55　No. 1　p. 280-288 (WEB ONLY)-288　2014/01/15

Robust Wi-Fi based Indoor Positioning with Ensemble Learning

Daisuke Taniuchi, Takuya Maekawa

2014 IEEE 10TH INTERNATIONAL CONFERENCE ON WIRELESS AND MOBILE COMPUTING, NETWORKING AND COMMUNICATIONS (WIMOB)　p. 592-597　2014　Research paper (international conference proceedings)

Identifying outlets at which electrical appliances are used by electrical wire sensing to gain positional information about appliance use

Quan Kong, Takuya Maekawa

UbiComp 2014 - Proceedings of the 2014 ACM International Joint Conference on Pervasive and Ubiquitous Computing　p. 349-360　2014　Research paper (international conference proceedings)

Learning daily activity recognition model with sharing training data and semi-supervised learning

Quan Kong, Takuya Maekawa

IEEJ Transactions on Electronics, Information and Systems　Vol. 134　No. 5　p. 711-717　2014　Research paper (scientific journal)

Activity recognition with hand-worn magnetic sensors

Takuya Maekawa, Yasue Kishino, Yasushi Sakurai, Takayuki Suyama

Personal and Ubiquitous Computing　Vol. 17　No. 6　p. 1085-1094　2013/08　Research paper (scientific journal)

Training data selection with user's physical characteristics data for acceleration-based activity modeling

Takuya Maekawa, Shinji Watanabe

PERSONAL AND UBIQUITOUS COMPUTING　Vol. 17　No. 3　p. 451-463　2013/03　Research paper (scientific journal)

Context-aware advertising in pervasive computing environment

Takuya Maekawa

Studies in Computational Intelligence　Vol. 484　p. 147-165　2013　Research paper (scientific journal)

A sensor device for automatic food lifelogging that is embedded in home ceiling light: A preliminary investigation

Takuya Maekawa

Proceedings of the 2013 7th International Conference on Pervasive Computing Technologies for Healthcare and Workshops, PervasiveHealth 2013　p. 405-407　2013　Research paper (international conference proceedings)

A hybrid unsupervised/supervised model for group activity recognition

Tomoya Hirano, Takuya Maekawa

ISWC 2013 - Proceedings of the 2013 ACM International Symposium on Wearable Computers　p. 21-24　2013　Research paper (international conference proceedings)

Detecting and correcting WiFi positioning errors

Yuki Tsuda, Quan Kong, Takuya Maekawa

UbiComp 2013 - Proceedings of the 2013 ACM International Joint Conference on Pervasive and Ubiquitous Computing　p. 777-786　2013　Research paper (international conference proceedings)

Sharing training data among different activity classes

Quan Kong, Takuya Maekawa

UbiComp 2013 Adjunct - Adjunct Publication of the 2013 ACM Conference on Ubiquitous Computing　p. 701-712　2013　Research paper (international conference proceedings)

手首に装着したカメラ付きセンサデバイスを用いた行動認識手法

前川卓也, 柳沢豊, 岸野泰恵, 石黒勝彦, 櫻井保志, 亀井剛次, 岡留剛

電子情報通信学会論文誌 B　Vol. J95-B　No. 11　p. 1480-1490　2012/11/01

Learning Activity Recognition Models with Physical Characteristics Data of Users

前川卓也, 渡部晋治

情報処理学会論文誌ジャーナル(CD-ROM)　Vol. 53　No. 7　p. 1665-1674　2012/07/15

Recognizing handheld electrical device usage with hand-worn coil of wire

Takuya Maekawa, Yasue Kishino, Yutaka Yanagisawa, Yasushi Sakurai

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 7319　p. 234-252　2012　Research paper (international conference proceedings)

Mimic sensors: Battery-shaped sensor node for detecting electrical events of handheld devices

Takuya Maekawa, Yasue Kishino, Yutaka Yanagisawa, Yasushi Sakurai

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　Vol. 7319　p. 20-38　2012　Research paper (international conference proceedings)

WristSense: Wrist-worn sensor device with camera for daily activity recognition

Takuya Maekawa, Yasue Kishino, Yutaka Yanagisawa, Yasushi Sakurai

2012 IEEE International Conference on Pervasive Computing and Communications Workshops, PERCOM Workshops 2012　p. 510-512　2012　Research paper (international conference proceedings)

Context-Aware Web Search in Ubiquitous Sensor Environments

Takuya Maekawa, Yutaka Yanagisawa, Yasushi Sakurai, Yasue Kishino, Koji Kamei, Takeshi Okadome

ACM TRANSACTIONS ON INTERNET TECHNOLOGY　Vol. 11　No. 3　2012/01　Research paper (scientific journal)

Context Search Method with Use of Daily Objects

前川卓也, 柳沢豊, 櫻井保志, 岸野泰恵, 亀井剛次, 岡留剛

情報処理学会論文誌ジャーナル(CD-ROM)　Vol. 52　No. 12　p. 3504-3514　2011/12/15

Efficient Data Gathering for Hierarchical Sensor Networks

岸野泰恵, 櫻井保志, 亀井剛次, 前川卓也, 柳沢豊, 岡留剛

情報処理学会論文誌トランザクション(CD-ROM)　Vol. 2010　No. 2　2011/04/15

Recognizing the Use of Portable Electrical Devices with Hand-Worn Magnetic Sensors

Takuya Maekawa, Yasue Kishino, Yasushi Sakurai, Takayuki Suyama

PERVASIVE COMPUTING　Vol. 6696　p. 276-293　2011　Research paper (international conference proceedings)

Unsupervised Activity Recognition with User's Physical Characteristics Data

Takuya Maekawa, Shinji Watanabe

2011 15TH ANNUAL INTERNATIONAL SYMPOSIUM ON WEARABLE COMPUTERS (ISWC)　p. 89-96　2011　Research paper (international conference proceedings)

WPT: A Toolkit for Publishing a Web-Based Lifelog

Takuya Maekawa, Yasue Kishino, Yutaka Yanagisawa, Yasushi Sakurai

MODELING AND USING CONTEXT　Vol. 6967　p. 185-199　2011　Research paper (international conference proceedings)

Object-Based Activity Recognition with Heterogeneous Sensors on Wrist

Takuya Maekawa, Yutaka Yanagisawa, Yasue Kishino, Katsuhiko Ishiguro, Koji Kamei, Yasushi Sakurai, Takeshi Okadome

PERVASIVE COMPUTING, PROCEEDINGS　Vol. 6030　p. 246-264　2010　Research paper (international conference proceedings)

Interactive Story Creation for Knowledge Acquisition

Shohei Yoshioka, Takuya Maekawa, Yasushi Hirano, Shoji Kajita, Kenji Mase

PROCEEDINGS OF THE 5TH ACM/IEEE INTERNATIONAL CONFERENCE ON HUMAN-ROBOT INTERACTION (HRI 2010)　p. 131-132　2010　Research paper (international conference proceedings)

Estimating which Object Type a Sensor Node is Attached to in Ubiquitous Sensor Environment.

Takuya Maekawa, Yutaka Yanagisawa, Takeshi Okadome

IJSSCI　Vol. 2　No. 1　p. 86-101　2010

Incremental knowledge construction for real-world event understanding

Koji Kamei, Yutaka Yanagisawa, Takuya Maekawa, Yasue Kishino, Yasushi Sakurai, Takeshi Okadome

International Journal of Cognitive Informatics and Natural Intelligence　Vol. 4　No. 1　p. 65-79　2010/01　Research paper (scientific journal)

The event search engine

Takeshi Okadome, Yasue Kishino, Takuya Maekawa, Koji Kamei, Yutaka Yanagisawa, Yasushi Sakurai

International Journal of Cognitive Informatics and Natural Intelligence　Vol. 4　No. 1　p. 30-44　2010/01　Research paper (scientific journal)

Locating Indoor Tools with Low-frequency Wave Propagation

柳沢豊, 前川卓也, 岸野泰恵, 亀井剛次, 櫻井保志, 岡留剛

情報処理学会論文誌ジャーナル(CD-ROM)　Vol. 50　No. 6　p. 1575-1586　2009/06/15

Web Searching for Daily Living

Takuya Maekawa, Yutaka Yanagisawa, Yasushi Sakurai, Yasue Kishino, Koji Kamei, Takeshi Okadome

PROCEEDINGS 32ND ANNUAL INTERNATIONAL ACM SIGIR CONFERENCE ON RESEARCH AND DEVELOPMENT IN INFORMATION RETRIEVAL　p. 27-34　2009　Research paper (international conference proceedings)

Semi-automatic Story Creation System in Ubiquitous Sensor Environment

Shohei Yoshioka, Yasushi Hirano, Shoji Kajita, Kenji Mase, Takuya Maekawa

AMBIENT INTELLIGENCE, PROCEEDINGS　Vol. 5859　p. 106-+　2009　Research paper (international conference proceedings)

Labeling-based Knowledge Construction for Real-world Event Understanding

Koji Kamei, Yutaka Yanagisawa, Takuya Maekawa, Yasue Kishino, Yasushi Sakurai, Takeshi Okadome

PROCEEDINGS OF THE 8TH IEEE INTERNATIONAL CONFERENCE ON COGNITIVE INFORMATICS　p. 116-124　2009　Research paper (international conference proceedings)

Object-Blog System for Environment-Generated Content

Takuya Maekawa, Yutaka Yanagisawa, Yasue Kishino, Koji Kamei, Yasushi Sakurai, Takeshi Okadome

IEEE PERVASIVE COMPUTING　Vol. 7　No. 4　p. 20-27　2008/10　Research paper (scientific journal)

Tag and Think: Inferring Object Type for Object Attached Sensor Nodes

前川卓也, 柳沢豊, 岡留剛

情報処理学会論文誌ジャーナル(CD-ROM)　Vol. 49　No. 6　p. 1896-1906　2008/06/15

Data Gathering in High-Density Wireless Sensor Networks using Hierarchical Clustering

Yasue Kishino, Yasushi Sakurai, Koji Kamei, Yutaka Yanagisawa, Takuya Maekawa, Takeshi Okadome

2008 IEEE INTERNATIONAL SYMPOSIUM ON WIRELESS COMMUNICATION SYSTEMS (ISWCS 2008)　p. 368-372　2008　Research paper (international conference proceedings)

Web page retrieval in ubiquitous sensor environments.

Takuya Maekawa, Yutaka Yanagisawa, Yasushi Sakurai, Yasue Kishino, Koji Kamei, Takeshi Okadome

Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008　p. 759-760　2008　Research paper (international conference proceedings)

Estimation of relative position between real objects using sensor nodes

Yutaka Yanagisawa, Takuya Maekawa, Takeshi Okadome

Proceedings of the 5th International Conference on Pervasive Services, ICPS 2008　p. 61-64　2008　Research paper (international conference proceedings)

Tag and think: Inferring what a sensor node is attached to

Takuya Maekawa, Yutaka Yanagisawa, Takeshi Okadome

Proceedings of the 5th International Conference on Pervasive Services, ICPS 2008　p. 27-35　2008　Research paper (international conference proceedings)

A web browsing system for cellular-phone users based on adaptive presentation

Yuki Arase, Takuya Maekawa, Takahiro Hara, Toshiaki Uemukai, Shojiro Nishio

Universal Access in the Information Society　Vol. 6　No. 3　p. 259-271　2007/11　Research paper (international conference proceedings)

Event Search System in Real-world Based on Sensor Networked Environments

岡留剛, 前川卓也, 服部正嗣, 柳沢豊

情報処理学会論文誌　Vol. 48　No. 7　p. 2351-2361　2007/07/15

コミュニケーション環境の未来に向けた研究最前線 s‐room―実世界情報の生成とそのリアルタイムコンテンツ化

岡留剛, 岸野泰恵, 前川卓也, 柳沢豊, 櫻井保志

NTT技術ジャーナル　Vol. 19　No. 6　p. 13-18　2007/06/01

A distributed inference system on sensor nodes using neighbors' context data

Takeshi Kanda, Yutaka Yanagisawa, Takuya Maekawa, Michita Imai, Hideyuki Kawashima, Takeshi Okadome

2007 IEEE INTERNATIONAL WORKSHOP ON DATABASES FOR NEXT GENERATION RESEARCHERS　p. 116-+　2007　Research paper (international conference proceedings)

Towards environment generated media: Object-participation-type weblog in home sensor network

Takuya Maekawa, Yutaka Yanagisawa, Takeshi Okadome

16th International World Wide Web Conference, WWW2007　p. 1267-1268　2007　Research paper (international conference proceedings)

An Adaptive Content Presentation System for Web Browsing Using Cellular Phones

荒瀬由紀, 前川卓也, 原隆浩, 上向俊晃, 西尾章治郎

情報処理学会論文誌　Vol. 47　No. 12　p. 3149-3164　2006/12/15

ユビキタス環境におけるコンテキストアウェアのためのモノの表現

前川卓也, 柳沢豊, 服部正嗣, 岡留剛

日本データベース学会Letters　Vol. 5　No. 2　p. 45-48　2006/09/21

An information browsing system using a java-based cellular phone in a remote display environment

Takuya Maekawa, Toshiaki Uemukai, Takahiro Hara, Shojiro Nishio

Systems and Computers in Japan　Vol. 37　No. 10　p. 1-12　2006/09　Research paper (scientific journal)

小型端末を用いたWeb閲覧のための画像分類方式

前川卓也, 原隆浩, 西尾章治郎

日本データベース学会Letters　Vol. 5　No. 1　p. 125-128　2006/06/22

携帯電話によるWeb閲覧のためのコンテンツ適応的提示

荒瀬由紀, 前川卓也, 原 隆浩, 上向俊晃, 西尾 章治郎

2006/03　Research paper (other academic)

携帯電話を用いたWebページ閲覧におけるスクロール支援のためのアノテーション提示手法

富安宏和, 前川卓也, 原 隆浩, 西尾章治郎

2006/03　Research paper (other academic)

Image classification for mobile web browsing

Takuya Maekawa, Takahiro Hara, Shojiro Nishio

Proceedings of the 15th International Conference on World Wide Web　p. 43-52　2006　Research paper (international conference proceedings)

A web browsing system based on adaptive presentation of web contents for cellular phones

Yuki Arase, Takuya Maekawa, Takahiro Hara, Toshiaki Uemukai, Shojiro Nishio

ACM International Conference Proceeding Series　Vol. 134　p. 86-89　2006　Research paper (international conference proceedings)

A collaborative web browsing system for multiple mobile users

Takuya Maekawa, Takahiro Hara, Shojiro Nishio

PERCOM 2006: FOURTH ANNUAL IEEE INTERNATIONAL CONFERENCE ON PERVASIVE COMPUTING AND COMMUNICATIONS, PROCEEDINGS　p. 22-+　2006　Research paper (international conference proceedings)

GeoNote.net: A social network system for geographic information

Kotaro Nakayama, Takuya Maekawa, Hirokazu Tomiyasu, Takahiro Hara, Shojiro Nishio

Proceedings - IEEE International Conference on Mobile Data Management　Vol. 2006　2006　Research paper (international conference proceedings)

Profile-based query routing in a mobile social network

Hirokazu Tomiyasu, Takuya Maekawa, Takahiro Hara, Shojiro Nishio

Proceedings - IEEE International Conference on Mobile Data Management　Vol. 2006　2006　Research paper (international conference proceedings)

Two approaches to browse large Web pages using mobile devices

Takuya Maekawa, Takahiro Kara, Shojiro Nishio

Proceedings - IEEE International Conference on Mobile Data Management　Vol. 2006　2006　Research paper (international conference proceedings)

An Information Browsing System Using a Java-Based Cellular Phone in a Remote Display Environment

前川卓也, 上向俊晃, 原隆浩, 西尾章治郎

電子情報通信学会論文誌 D-1　Vol. J88-D-1　No. 6　p. 1091-1103　2005/06/01

携帯電話を用いたソーシャルネットワーキングのためのクエリ伝播機構およびそのアプリケーション

富安宏和, 前川卓也, 原 隆浩, 西尾章治郎

電子情報通信学会データ工学ワークショップ(DEWS 2005)論文集　2005/03　Research paper (other academic)

A Collaborative WWW Browsing System for Multiple Handheld Devices

前川卓也, 原隆浩, 西尾章治郎

電子情報通信学会論文誌 D-1　Vol. J88-D-1　No. 3　p. 629-641　2005/03/01

Social network applications using cellular phones with e-mail function

Hirokazu Tomiyasu, Takuya Maekawa, Takahiro Hara, Shojiro Nishio

Proceedings - International Workshop on Biomedical Data Engineering, BMDE2005　Vol. 2005　2005　Research paper (international conference proceedings)

Content description and partitioning methods for collaborative browsing by multiple mobile users

T Maekawa, T Uemukai, T Hara, S Nishio

Sixteenth International Workshop on Database and Expert Systems Applications, Proceedings　p. 1068-1072　2005　Research paper (international conference proceedings)

複数のモバイルユーザによる協調的WWWコンテンツ閲覧システム

前川卓也, 上向俊晃, 原 隆浩, 西尾章治郎

日本データベース学会Letters　Vol. 3　No. 2　p. 93-96　2004/09　Research paper (scientific journal)

複数のモバイル端末を用いた協調ゲームアプリケーションの設計と実装

富安宏和, 前川卓也, 上向俊晃, 原 隆浩, 西尾章治郎

情報処理学会マルチメディア, 分散, 協調とモバイルシンポジウム(DICOMO 2004)論文集　2004/07　Research paper (other academic)

Tree Structured Content Description and Partitioning Methods for Collaborative Browsing by Multiple Mobile Users

前川卓也, 上向俊晃, 原隆浩, 西尾章治郎

情報処理学会論文誌　Vol. 45　No. SIG7(TOD22)　p. 11-23　2004/06/15

A Content Partitioning Method for Collaborative Browsing by Mobile Users

Takuya Maekawa, Toshiaki Uemukai, Takahiro Hara, Shojiro Nishio

Vol. 2　No. 4　p. 3-6　2004/03　Research paper (scientific journal)

A Java-based information browsing system in a remote display environment

T Maekawa, T Uemukai, T Hara, S Nishio

CEC 2004: IEEE INTERNATIONAL CONFERENCE ON E-COMMERCE TECHNOLOGY, PROCEEDINGS　p. 342-346　2004　Research paper (international conference proceedings)