| 2026 | MMM | Graph Contrastive Learning with Popularity and Neighborhood Awareness for Long-Tail Item Recommendation. | Yuma Dose, Takahiro Hara |
| 2026 | PERCOM | HARBench: A Comprehensive Benchmark for Evaluating Foundation Models in Sensor-based Human Activity Recognition. | Kei Tanigaki, Takuya Maekawa, Takahiro Hara |
| 2026 | PERCOM | Artifact: HARBench: A Comprehensive Benchmark for Evaluating Foundation Models in Sensor-based HAR. | Kei Tanigaki, Takuya Maekawa, Takahiro Hara |
| 2026 | SENSYS | Poster Abstract: Introducing HARBench - A Multi-Axis Benchmark for Evaluating Foundation Models in Sensor-Based HAR. | Kei Tanigaki, Takuya Maekawa, Takahiro Hara |
| 2025 | ICTAI | Robust Spatio-Temporal Graph Convolutional Networks for Headcount Prediction. | Ryusei Iwasa, Yuma Dose, Takahiro Hara, Takuya Maekawa, Kazuki Shimazaki, Teppei Seguchi, Takayuki Kikuchi, Kenshiro Kato |
| 2025 | ICTAI | Dynamic Peak-Aware Loss for Zero-Shot Occupancy Estimation. | Jo Masuda, Takahiro Hara, Takuya Maekawa, Yuma Dose, Kazuki Shimazaki, Teppei Seguchi, Takayuki Kikuchi, Kenshiro Kato |
| 2025 | PAKDD | Fast Approximation Algorithm for Euclidean Minimum Spanning Tree Building in High Dimensions. | Keito Kido, Daichi Amagata, Takahiro Hara |
| 2025 | SAC | A News Recommendation Framework Utilizing ChatGPT: Estimating Target Audience and News Categories. | Yoshiyuki Maekawa, Shuichiro Haruta, Yuma Dose, Takahiro Hara |
| 2025 | SIGIR | Modeling Social Behavior in Collaborative Filtering. | Yihong Zhang, Takahiro Hara |
| 2025 | WISE | Backbone-Based Neighbor Transferring Proximity Graph for Fast Inner Product Retrieval. | Aoran Chen, Yuchen Ji, Shengzhe Jiao, Yihong Zhang, Takahiro Hara |
| 2024 | DASFAA | Estimating Visited Stores Through Positive-Unlabeled Learning. | Ryo Shirai, Ryo Imai, Seng Pei Liew, Daichi Amagata, Tsubasa Takahashi, Takahiro Hara |
| 2024 | DEXA | Efficient Algorithms for Top-k Stabbing Queries on Weighted Interval Data. | Daichi Amagata, Junya Yamada, Yuchen Ji, Takahiro Hara |
| 2024 | DEXA | SAFE: Sampling-Assisted Fast Learned Cardinality Estimation for Dynamic Spatial Data. | Yuchen Ji, Daichi Amagata, Yuya Sasaki, Takahiro Hara |
| 2024 | HIC | 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 |
| 2024 | HIC | 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 |
| 2024 | ICMLA | Hypergraph Contrastive Learning with Graph Structure Learning for Recommendation. | Yuma Dose, Shuichiro Haruta, Yihong Zhang, Takahiro Hara |
| 2024 | ICMLA | Multi-Modal Contrastive Learning for Medical Image Classification with Limited Training Data. | Shengzhe Jiao, Yihong Zhang, Yuanyuan Wang, Shingo Mabu, Haoyang Xia, Takahiro Hara |
| 2024 | ICMLA | Domain Adaptation Utilizing Texts and Visions for Cross-domain Recommendations with No Shared Users. | Kentaro Shiga, Shuichiro Haruta, Zhi Li, Takahiro Hara |
| 2024 | PERCOM | 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 |
| 2024 | PERCOM | OpenPack: A Large-Scale Dataset for Recognizing Packaging Works in IoT-Enabled Logistic Environments. | Naoya Yoshimura, Jaime Morales, Takuya Maekawa, Takahiro Hara |
| 2024 | PERCOM | Artifact: OpenPack: A Large-scale Dataset for Recognizing Packaging Works in Logistic Environments. | Naoya Yoshimura, Jaime Morales, Takuya Maekawa, Takahiro Hara |
| 2024 | SIGIR | Mutual Information-based Preference Disentangling and Transferring for Non-overlapped Multi-target Cross-domain Recommendations. | Zhi Li, Daichi Amagata, Yihong Zhang, Takahiro Hara, Shuichiro Haruta, Kei Yonekawa, Mori Kurokawa |
| 2024 | SISAP | An Efficient Framework for Approximate Nearest Neighbor Search on High-Dimensional Multi-metric Data. | Reon Uemura, Daichi Amagata, Takahiro Hara |
| 2023 | ICDE | Lamps: Location-Aware Moving Top-k Pub/Sub (Extended abstract). | Shunya Nishio, Daichi Amagata, Takahiro Hara |
| 2023 | ICMLA | A Graph-Based Recommendation Model Using Contrastive Learning for Inductive Scenario. | Yuma Dose, Shuichiro Haruta, Takahiro Hara |
| 2023 | ICMLA | Multi-Modal Relational Side Information Graph Attention Networks for Recommender System. | Shengzhe Jiao, Yihong Zhang, Takahiro Hara |
| 2023 | IJCNN | Biased or Debiased: Polarization-aware Embedding Learning from Social Media Knowledge Graph. | Yihong Zhang, Takahiro Hara, Lina Yao |
| 2023 | Interspeech | Meta-domain Adversarial Contrastive Learning for Alleviating Individual Bias in Self-sentiment Predictions. | Zhi Li, Ryu Takeda, Takahiro Hara |
| 2023 | MDM | Approximate Reverse Top-k Spatial-Keyword Queries. | Shunya Nishio, Daichi Amagata, Takahiro Hara |
| 2023 | MDM | POI Recommendation by Learning Short-, Long- and Mid-Term Preferences through GNN. | Yue Zhao, Yihong Zhang, Daichi Amagata, Takahiro Hara |
| 2023 | Mobiquitous | Integrating Social Environment in Machine Learning Model for Debiased Recommendation. | Yihong Zhang, Lina Yao, Takahiro Hara |
| 2023 | PAKDD | Semantic Relation Transfer for Non-overlapped Cross-domain Recommendations. | Zhi Li, Daichi Amagata, Yihong Zhang, Takahiro Hara, Shuichiro Haruta, Kei Yonekawa, Mori Kurokawa |
| 2023 | PERCOM | Joint Estimation of the Distance and Relative Velocity of Obstacles via Smartphone Active Sound Sensing for Pedestrian Safety. | Thilina Dissanayake, Takuya Maekawa, Takahiro Hara |
| 2023 | PERCOM | Detecting Repetitive Human Actions by Neural Networks Trained on Composite Data Only. | Yuuki Nishino, Takuya Maekawa, Takahiro Hara |
| 2023 | PERCOM | An Effective and Efficient Self-Attention Based Model for Next POI Recommendation. | Qingxin Xia, Takahiro Hara, Takuya Maekawa, Mori Kurokawa, Kei Yonekawa |
| 2023 | SIGIR | Simpler is Much Faster: Fair and Independent Inner Product Search. | Kazuyoshi Aoyama, Daichi Amagata, Sumio Fujita, Takahiro Hara |
| 2023 | SSDBM | Fast Algorithm for Embedded Order Dependency Validation. | Daichi Amagata, Alejandro Ramos, Ryo Shirai, Takahiro Hara |
| 2022 | DASFAA | Efficient Retrieval of Top-k Weighted Spatial Triangles. | Ryosuke Taniguchi, Daichi Amagata, Takahiro Hara |
| 2022 | DOLAP | A Performance Study of One-dimensional Learned Cardinality Estimation. | Yuchen Ji, Daichi Amagata, Yuya Sasaki, Takahiro Hara |
| 2022 | RecSys | Solving Diversity-Aware Maximum Inner Product Search Efficiently and Effectively. | Kohei Hirata, Daichi Amagata, Sumio Fujita, Takahiro Hara |
| 2022 | WISE | Utilizing Social Media Retweeting for Improving Event Participant Prediction. | Yihong Zhang, Takahiro Hara |
| 2021 | ADBIS | A General Method for Event Detection on Social Media. | Yihong Zhang, Masumi Shirakawa, Takahiro Hara |
| 2021 | DEXA | LGTM: A Fast and Accurate kNN Search Algorithm in High-Dimensional Spaces. | Yusuke Arai, Daichi Amagata, Sumio Fujita, Takahiro Hara |
| 2021 | IJCNN | Toward Understanding Acceleration-based Activity Recognition Neural Networks with Activation Maximization. | Naoya Yoshimura, Takuya Maekawa, Takahiro Hara |
| 2021 | IJCNN | Using Social Media Background to Improve Cold-Start Recommendation Deep Models. | Yihong Zhang, Takuya Maekawa, Takahiro Hara |
| 2021 | ISWC | WeakCounter: Acceleration-based Repetition Counting of Actions with Weakly Supervised Learning. | Yuuki Nishino, Takuya Maekawa, Takahiro Hara |
| 2021 | KSEM | An Automatic Method for Understanding Political Polarization Through Social Media. | Yihong Zhang, Masumi Shirakawa, Takahiro Hara |
| 2021 | Mobiquitous | Concept Drift Detection with Denoising Autoencoder in Incomplete Data. | Jun Murao, Kei Yonekawa, Mori Kurokawa, Daichi Amagata, Takuya Maekawa, Takahiro Hara |
| 2021 | Mobiquitous | Wi-Fi CSI-Based Activity Recognition with Adaptive Sampling Rate Selection. | Yuka Tanno, Takuya Maekawa, Takahiro Hara |
| 2021 | PERCOM | NaviMine: A tool for mining trajectories through behavior prediction. | Yiming Tian, Takuya Maekawa, Takahiro Hara, Yojiro Yokomori, Takashi Kitagawa |
| 2021 | RecSys | Reverse Maximum Inner Product Search: How to efficiently find users who would like to buy my item? | Daichi Amagata, Takahiro Hara |
| 2021 | SIGMOD | Fast Density-Peaks Clustering: Multicore-based Parallelization Approach. | Daichi Amagata, Takahiro Hara |
| 2021 | SIGMOD | Fast and Exact Outlier Detection in Metric Spaces: A Proximity Graph-based Approach. | Daichi Amagata, Makoto Onizuka, Takahiro Hara |
| 2020 | WCNC | Network Formation Model of Bio-nanomachines Based on Directed Migration and Adhesion. | Kazuki Yonekura, Tadashi Nakano, Yutaka Okaie, Takahiro Hara, Kaname Harumoto |
| 2020 | SENSYS | 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 |
| 2019 | DEXA | Correlation Set Discovery on Time-Series Data. | Daichi Amagata, Takahiro Hara |
| 2019 | DEXA | Discord Monitoring for Streaming Time-Series. | Shinya Kato, Daichi Amagata, Shunya Nishio, Takahiro Hara |
| 2019 | GLOBECOM | Dummy-Based Location Anonymization for Controlling Observable User Preferences. | Takahiro Hara |
| 2019 | GLOBECOM | Resource Assignment for Real-Time Streaming in Edge Node-Assisted Transmitting. | Wei Zhao, Lianwei Zhu, Xuangou Wu, Zhi Liu, Xiujun Wang, Ruilin Pan, Takahiro Hara |
| 2019 | ICDCS | Upsampling Inertial Sensor Data from Wearable Smart Devices using Neural Networks. | Naoya Yoshimura, Takuya Maekawa, Daichi Amagata, Takahiro Hara |
| 2019 | ICDE | Identifying the Most Interactive Object in Spatial Databases. | Daichi Amagata, Takahiro Hara |
| 2019 | ICDE | Dynamic Set kNN Self-Join. | Daichi Amagata, Takahiro Hara, Chuan Xiao |
| 2019 | PAKDD | 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 |
| 2019 | PERCOM | Preliminary Investigation of Predicting Next-Use Mobile Apps Using App Semantic Representations. | Cheng Chen, Takuya Maekawa, Daichi Amagata, Takahiro Hara |
| 2019 | PERCOM | Estimating User Contexts from Mobile Application Usage Histories. | Toshimitsu Kamiya, Tatsuya Nakamura, Takuya Maekawa, Daichi Amagata, Takahiro Hara |
| 2019 | WWW | Behavior Matching between Different Domains based on Canonical Correlation Analysis. | Yuan Lyu, Daichi Amagata, Takuya Maekawa, Takahiro Hara, Hao Niu, Kei Yonekawa, Mori Kurokawa |
| 2019 | WWW | 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 |
| 2018 | COMPSAC | A Social Sensor Visualization System for a Platform to Generate and Share Social Sensor Data. | Zennosuke Aiko, Keisuke Nakashima, Tomoki Yoshihisa, Takahiro Hara |
| 2018 | DEXA | Monitoring Range Motif on Streaming Time-Series. | Shinya Kato, Daichi Amagata, Shunya Nishio, Takahiro Hara |
| 2018 | GLOBECOM | Epidemic Information Dissemination in Mobile Molecular Communication Systems. | Shinya Ishiyama, Tadashi Nakano, Yutaka Okaie, Takahiro Hara |
| 2018 | GLOBECOM | Leader-Follower-Amplifier Based Mobile Molecular Communication Systems for Cooperative Drug Delivery. | Yutaka Okaie, Shinya Ishiyama, Takahiro Hara |
| 2018 | GLOBECOM | Edge-Node Assisted Live Video Streaming: A Coalition Formation Game Approach. | Wei Zhao, Wen Qiu, Chuanhua Zhou, Zhi Liu, Takahiro Hara |
| 2018 | ICDCS | Environment-Adaptive Malicious Node Detection in MANETs with Ensemble Learning. | Boqi Gao, Takuya Maekawa, Daichi Amagata, Takahiro Hara |
| 2018 | ICDE | Mining Top-k Co-Occurrence Patterns across Multiple Streams (Extended Abstract). | Daichi Amagata, Takahiro Hara |
| 2018 | MDM | Top-k Query Processing with Replication Strategy in Mobile Ad Hoc Networks. | Yuya Sasaki, Takahiro Hara, Yoshiharu Ishikawa |
| 2018 | PERCOM | Preliminary Investigation of Detecting Events of Indoor Objects with Smartphone Active Sound Sensing. | Thilina Dissanayake, Takuya Maekawa, Daichi Amagata, Takahiro Hara |
| 2018 | PERCOM | Preliminary Investigation of Fine-Grained Gesture Recognition With Signal Super-Resolution. | Naoya Yoshimura, Takuya Maekawa, Daichi Amagata, Takahiro Hara |
| 2018 | SmartComp | Comparison Study On UAV Movement for Adapting to Multimedia Burst in Post-Disaster Networks. | Wei Zhao, Wenfei Xin, Xiao Zheng, Takahiro Hara |
| 2017 | AINA | A System to Retrieve Photographs Showing Designated Points. | Yuki Taniyama, Tomoki Yoshihisa, Takahiro Hara, Shojiro Nishio |
| 2017 | DEXA | Probabilistic MaxRS Queries on Uncertain Data. | Yuki Nakayama, Daichi Amagata, Takahiro Hara |
| 2017 | DEXA | Geo-Social Keyword Top-k Data Monitoring over Sliding Window. | Shunya Nishio, Daichi Amagata, Takahiro Hara |
| 2017 | DEXA | Geo-Social Keyword Skyline Queries. | Naoya Taguchi, Daichi Amagata, Takahiro Hara |
| 2017 | EMNLP | Never Abandon Minorities: Exhaustive Extraction of Bursty Phrases on Microblogs Using Set Cover Problem. | Masumi Shirakawa, Takahiro Hara, Takuya Maekawa |
| 2017 | ETFA | Performance estimation method for virtualized building facilities monitoring applications. | Yu Kaneko, Toshio Ito, Takahiro Hara |
| 2017 | ICDCS | Efficient Z-Order Encoding Based Multi-Modal Data Compression in WSNs. | Xiaofei Cao, Sanjay Madria, Takahiro Hara |
| 2017 | SECON | A WSN Testbed for Z-Order Encoding Based Multi-Modal Sensor Data Compression. | Xiaofei Cao, Sanjay Madria, Takahiro Hara |
| 2016 | DEXA | An Efficient Method for Identifying MaxRS Location in Mobile Ad Hoc Networks. | Yuki Nakayama, Daichi Amagata, Takahiro Hara |
| 2016 | EDBT | Monitoring MaxRS in Spatial Data Streams. | Daichi Amagata, Takahiro Hara |
| 2016 | ETFA | A measurement study on virtualization overhead for applications of industrial automation systems. | Yu Kaneko, Toshio Ito, Takahiro Hara |
| 2016 | ICDCS | Efficient Top-k Result Diversification for Mobile Sensor Data. | Masahiro Yokoyama, Takahiro Hara |
| 2016 | INFOCOM | Research challenges in bionanosensor networks. | Yutaka Okaie, Tadashi Nakano, Takuya Obuchi, Takahiro Hara |
| 2016 | Mobiquitous | S3 System: A System for Sharing Social Sensor Data and Analytical Programs. | Keisuke Nakashima, Masahiro Yokoyama, Yuki Taniyama, Tomoki Yoshihisa, Takahiro Hara |
| 2016 | MOMM | A Sampling-based Boundary Detection Method with Consideration of Boundary Shape in Dense Mobile Wireless Sensor Networks. | Kazuya Matsuo, Keisuke Goto, Akimitsu Kanzaki, Takahiro Hara |
| 2015 | DEXA | Candidate Pruning Technique for Skyline Computation Over Frequent Update Streams. | Kamalas Udomlamlert, Takahiro Hara, Shojiro Nishio |
| 2015 | MDM | Processing Convex Hull Queries in MANETs. | Yuka Komai, Takahiro Hara, Shojiro Nishio |
| 2015 | MOMM | Range-based Continuous Threshold Query Processing in Mobile Ad Hoc Networks. | Yuki Nakayama, Daichi Amagata, Takahiro Hara, Shojiro Nishio |
| 2015 | WWW | N-gram IDF: A Global Term Weighting Scheme Based on Information Distance. | Masumi Shirakawa, Takahiro Hara, Shojiro Nishio |
| 2015 | SRDS | Signature-Based Top-k Query Processing against Data Replacement Attacks in MANETs. | Takuji Tsuda, Yuka Komai, Takahiro Hara, Shojiro Nishio |
| 2015 | SSDBM | Distributed top-k query processing on multi-dimensional data with keywords. | Daichi Amagata, Takahiro Hara, Shojiro Nishio |
| 2014 | AINA | Data Allocation Techniques for Mobile Sensor Networks. | Takahiro Hara, Shojiro Nishio |
| 2014 | AINA | A Menu-Based Content Search System Based on Relationships between Mobile User Context and Information Needs. | Mayu Iwata, Hiroki Miyamoto, Takahiro Hara, Kentaro Shimatani, Tomohiro Mashita, Kiyoshi Kiyokawa, Shojiro Nishio, Haruo Takemura |
| 2014 | AINA | Energy-Efficient Data Gathering Using Sleep Scheduling and Spatio-temporal Interpolation in Wireless Sensor Networks. | Akimitsu Kanzaki, Shinya Kondo, Takahiro Hara, Shojiro Nishio |
| 2014 | DASFAA | SKY R-tree: An Index Structure for Distance-Based Top-k Query. | Yuya Sasaki, Wang-Chien Lee, Takahiro Hara, Shojiro Nishio |
| 2014 | MDM | Overhearing-Based Efficient Boundary Detection in Dense Mobile Wireless Sensor Networks. | Kazuya Matsuo, Keisuke Goto, Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2014 | MDM | A Negative Location-Based Information Dissemination Method in Mobile Ad Hoc Networks. | Yuya Sasaki, Toshimitsu Fujii, Mitsuru Kaji, Takahiro Hara, Shojiro Nishio |
| 2014 | MDM | Top-k Query Processing and Malicious Node Identification against Data Replacement Attack in MANETs. | Takuji Tsuda, Yuka Komai, Yuya Sasaki, Takahiro Hara, Shojiro Nishio |
| 2014 | MOMM | CTR: An Efficient Cluster-based Top-k Query Routing in MANETs. | Daichi Amagata, Yuya Sasaki, Takahiro Hara, Shojiro Nishio |
| 2014 | MOMM | A Method to Reduce Interruption Time for the Multiple Bit Rate Video Delivery in P2P Streaming Environments. | Masahiro Yokoyama, Tomoki Yoshihisa, Takahiro Hara, Shojiro Nishio |
| 2014 | SRDS | An Efficient Indexing Method for Mobile Sensor Data Collection on Integrated Sensor Networks. | Ryo Kawasumi, Tomoki Yoshihisa, Takahiro Hara, Shojiro Nishio |
| 2014 | SRDS | A Convex Hull Query Processing Method in MANETs. | Yuka Komai, Takahiro Hara, Shojiro Nishio |
| 2014 | SRDS | kNN Search Utilizing Index of the Minimum Road Travel Time in Time-Dependent Road Networks. | Yuka Komai, Duong Hong Nguyen, Takahiro Hara, Shojiro Nishio |
| 2014 | SRDS | A Study on Efficient Event Monitoring in Dense Mobile Wireless Sensor Networks. | Kazuya Matsuo, Keisuke Goto, Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2014 | SRDS | A Preference Extraction Method Using Installed Applications and Their Descriptions. | Seiya Mizuno, Jun Osawa, Takahiro Hara, Shojiro Nishio |
| 2014 | SRDS | SeRAVi: A Spatio-Temporal Data Distribution Visualization System for Mobile Sensor Data Retrieval. | Haruka Sazaki, Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2014 | SSDBM | Communication-efficient preference top-k monitoring queries via subscriptions. | Kamalas Udomlamlert, Takahiro Hara, Shojiro Nishio |
| 2013 | AINA | A Routing Method for Top-k Query Processing in Mobile Ad Hoc Networks. | Daichi Amagata, Yuya Sasaki, Takahiro Hara, Shojiro Nishio |
| 2013 | AINA | Data Gathering Considering Geographical Distribution of Data Values in Dense Mobile Wireless Sensor Networks. | Kazuya Matsuo, Keisuke Goto, Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2013 | AINA | Detecting Local Events by Analyzing Spatiotemporal Locality of Tweets. | Takuya Sugitani, Masumi Shirakawa, Takahiro Hara, Shojiro Nishio |
| 2013 | CIKM | Probabilistic semantic similarity measurements for noisy short texts using Wikipedia entities. | Masumi Shirakawa, Kotaro Nakayama, Takahiro Hara, Shojiro Nishio |
| 2013 | COMPSAC | Agent Redeployment and Missing Data Regathering in Mobile Wireless Sensor Networks. | Kazuya Matsuo, Keisuke Goto, Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2013 | DEXA | User Location Anonymization Method for Wide Distribution of Dummies. | Ryo Kato, Mayu Iwata, Takahiro Hara, Yuki Arase, Xing Xie, Shojiro Nishio |
| 2013 | DEXA | Processing k Nearest Neighbor Queries for Location-Dependent Data in MANETs. | Yuka Komai, Yuya Sasaki, Takahiro Hara, Shojiro Nishio |
| 2013 | MDM | A Robust Routing Method for Top-k Queries in Mobile Ad Hoc Networks. | Daichi Amagata, Yuya Sasaki, Takahiro Hara, Shojiro Nishio |
| 2013 | MDM | On Alleviating Beacon Overhead in Routing Protocols for Urban VANETs. | Yuya Sasaki, Wang-Chien Lee, Takahiro Hara, Shojiro Nishio |
| 2013 | Mobiquitous | A Mobile Agents Control Scheme for Multiple Sinks in Dense Mobile Wireless Sensor Networks. | Keisuke Goto, Yuya Sasaki, Takahiro Hara, Shojiro Nishio |
| 2013 | VR | A next location prediction method for smartphones using blockmodels. | Jun Fukano, Tomohiro Mashita, Takahiro Hara, Kiyoshi Kiyokawa, Haruo Takemura, Shojiro Nishio |
| 2012 | AINA | How Does Mobile Context Affect People's Web Search Behavior?: A Diary Study of Mobile Information Needs and Search Behaviors. | Daijiro Komaki, Takahiro Hara, Shojiro Nishio |
| 2012 | AINA | A Sensor Data Collection Method with a Mobile Sink for Communication Traffic Reduction by Delivering Predicted Values. | Wataru Seino, Tomoki Yoshihisa, Takahiro Hara, Shojiro Nishio |
| 2012 | MDM | MELOC: Memory and Location Optimized Caching Model for Small Mobile Ad Hoc Networks. | Lekshmi Manian Chidambaram, Sanjay Kumar Madria, Mark Linderman, Takahiro Hara |
| 2012 | MOMM | Searching K-nearest neighbor nodes based on node density in ad hoc networks. | Yuka Komai, Yuya Sasaki, Takahiro Hara, Shojiro Nishio |
| 2012 | VR | A content search system for mobile devices based on user context recognition. | Tomohiro Mashita, Daijiro Komaki, Mayu Iwata, Kentaro Shimatani, Hiroki Miyamoto, Takahiro Hara, Kiyoshi Kiyokawa, Haruo Takemura, Shojiro Nishio |
| 2012 | VR | Human activity recognition for a content search system considering situations of smartphone users. | Tomohiro Mashita, Kentaro Shimatani, Mayu Iwata, Hiroki Miyamoto, Daijiro Komaki, Takahiro Hara, Kiyoshi Kiyokawa, Haruo Takemura, Shojiro Nishio |
| 2011 | AINA | Calculating Wikipedia Article Similarity Using Machine Translation Evaluation Metrics. | Maike Erdmann, Andrew M. Finch, Kotaro Nakayama, Eiichiro Sumita, Takahiro Hara, Shojiro Nishio |
| 2011 | AINA | A Dynamic Route Construction Method Based on Measured Characteristics of Radio Propagation in Wireless Sensor Networks. | Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio, Yasuhiro Nose |
| 2011 | AINA | A Dynamic Cluster Construction Method Based on Characteristics of Query Generation in Peer-to-Peer Networks. | Yukie Kobayashi, Tomoki Yoshihisa, Takahiro Hara, Shojiro Nishio |
| 2011 | AINA | A P2P Network Construction Method Based on Cycle of Sensing and Location in Ubiquitous Sensor Environment. | Yoshihiro Kosaka, Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2011 | DCOSS | Sleep scheduling towards geographic routing in duty-cycled sensor networks. | Chunsheng Zhu, Laurence Tianruo Yang, Lei Shu, Joel J. P. C. Rodrigues, Takahiro Hara |
| 2011 | IWCMC | A balanced energy consumption sleep scheduling algorithm in wireless sensor networks. | Zhuxiu Yuan, Lei Wang, Lei Shu, Takahiro Hara, Zhenquan Qin |
| 2011 | IWCMC | Implementing top-k query in duty-cycled wireless sensor networks. | Chunsheng Zhu, Laurence Tianruo Yang, Lei Shu, Takahiro Hara, Shojiro Nishio |
| 2011 | MDM | A kNN Query Processing Method in Mobile Ad Hoc Networks. | Yuka Komai, Yuya Sasaki, Takahiro Hara, Shojiro Nishio |
| 2011 | MOMM | Data gathering using mobile agents in dense mobile wireless sensor networks. | Keisuke Goto, Yuya Sasaki, Takahiro Hara, Shojiro Nishio |
| 2011 | WCNC | Quantifying sensing coverage and data delivery delay in mobile sensor networks. | Takahiro Hara |
| 2011 | SECON | Sleep scheduling towards geographic routing in duty-cycled sensor networks with a mobile sink. | Chunsheng Zhu, Laurence Tianruo Yang, Lei Shu, Lei Wang, Takahiro Hara |
| 2010 | AINA | Investigating Impact of Quorum Construction on Data Processing in Mobile Ad Hoc Networks. | Takahiro Hara, Sanjay Kumar Madria, Shojiro Nishio |
| 2010 | AINA | A P2P Network Construction Method Based on Cycle of Sensing in Ubiquitous Sensor Environment. | Yoshihiro Kosaka, Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2010 | AINA | A Top-k Query Method by Estimating Score Distribution in Mobile Ad Hoc Networks. | Yuya Sasaki, Ryo Hagihara, Takahiro Hara, Masako Shinohara, Shojiro Nishio |
| 2010 | CATA | A Route Construction Method Based on Received Signal Strength in Wireless Sensor Networks. | Yasuhiro Nose, Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2010 | GLOBECOM | Secured Two Phase Geographic Forwarding Protocol in Wireless Multimedia Sensor Networks. | Taye Mulugeta, Lei Shu, Manfred Hauswirth, Min Chen, Takahiro Hara, Shojiro Nishio |
| 2010 | IWQoS | Impacts of duty-cycle on TPGF geographical multipath routing in wireless sensor networks. | Lei Shu, Zhuxiu Yuan, Takahiro Hara, Lei Wang, Yan Zhang |
| 2010 | MDM | Energy Efficient Data Access in Mobile Ad Hoc Networks. | Takahiro Hara |
| 2010 | WISE | A Children-Oriented Re-ranking Method for Web Search Engines. | Mayu Iwata, Yuki Arase, Takahiro Hara, Shojiro Nishio |
| 2009 | AINA | On a TDMA Slot Assignment Considering the Amount of Traffic in Wireless Sensor Networks. | Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2009 | AINA | Wikipedia Relatedness Measurement Methods and Influential Features. | Kotaro Nakayama, Masahiro Ito, Takahiro Hara, Shojiro Nishio |
| 2009 | AINA | Route Construction Based on Measured Characteristics of Radio Propagation in Wireless Sensor Networks. | Yasuhiro Nose, Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2009 | AINA | A Content Clipping System for Web Browsing Using Cellular Phones. | Kenji Ohnishi, Yuki Arase, Takahiro Hara, Toshiaki Uemukai, Shojiro Nishio |
| 2009 | CISIS | Escrow Approaches for Global Consistency in Mobile Ad Hoc Networks. | Takahiro Hara |
| 2009 | CISIS | Overhearing-Based Data Transmission Reduction for Periodical Data Gathering in Wireless Sensor Networks. | Yuuki Iima, Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2009 | CISIS | X-Sensor: A Sensor Network Testbed Integrating Multiple Networks. | Akimitsu Kanzaki, Takahiro Hara, Yoshimasa Ishi, Naoki Wakamiya, Shinji Shimojo |
| 2009 | CISIS | Filtering Order Adaptation Based on Attractor Selection for Data Broadcasting System. | Shinya Kitajima, Takahiro Hara, Tsutomu Terada, Shojiro Nishio |
| 2009 | CISIS | A Query Processing Method Considering the Characteristic of Energy Consumption for Broadcast Database Systems. | Shinya Kitajima, Takahiro Hara, Tsutomu Terada, Tomoki Yoshihisa, Shojiro Nishio |
| 2009 | CISIS | Preview Functions for Web Browsing Using Cellular Phones. | Kenji Ohnishi, Yuki Arase, Takahiro Hara, Toshiaki Uemukai, Shojiro Nishio |
| 2009 | CISIS | A Mobile Sensor Control Method Considering Node Failures in Sparse Sensor Network. | Tatsuya Shinjo, Shinya Kitajima, Takefumi Ogawa, Takahiro Hara, Shojiro Nishio |
| 2009 | CISIS | An Efficient Node Deployment Strategy Strategy in Sparse Sensor Networks. | Kriengsak Treeprapin, Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2009 | DASFAA | Update Propagation Strategies Considering Degree of Data Update in Peer-to-Peer Networks. | Toshiki Watanabe, Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2009 | HCI | User Profiling for Web Search Based on Biological Fluctuation. | Yuki Arase, Takahiro Hara, Shojiro Nishio |
| 2009 | MDM | MotoBrowser: Enjoyable Browsing Using Cellular Phones by "Motoring" Web Pages. | Yuki Arase, Takahiro Hara, Toshiaki Uemukai, Shojiro Nishio |
| 2009 | MDM | A Message Processing Method for Top-k Query for Traffic Reduction in Ad Hoc Networks. | Ryo Hagihara, Masako Shinohara, Takahiro Hara, Shojiro Nishio |
| 2009 | MDM | An Evaluation of Overhearing-Based Data Transmission Reduction in Wireless Sensor Networks. | Yuuki Iima, Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2009 | MDM | A Sensor Network Testbed Integrating Multiple Networks. | Akimitsu Kanzaki, Takahiro Hara, Yoshimasa Ishi, Tomoki Yoshihisa, Yuuichi Teranishi, Shinji Shimojo |
| 2009 | MDM | A Broadcast-Based Data Gathering Method Considering Energy Consumption for Sensor Networks. | Shinya Kitajima, Tomoki Yoshihisa, Takefumi Ogawa, Takahiro Hara, Shojiro Nishio |
| 2009 | MDM | A Data Transmission Method Using Multicast in Mobile Ad Hoc Networks. | Masako Shinohara, Takahiro Hara, Shojiro Nishio |
| 2009 | WWW | A game based approach to assign geographical relevance to web images. | Yuki Arase, Xing Xie, Manni Duan, Takahiro Hara, Shojiro Nishio |
| 2008 | AINA | Updated Data Dissemination for Applications with Time Constraints in Mobile Ad Hoc Networks. | Takahiro Hara, Sanjay Kumar Madria |
| 2008 | AINA | A Data Propagation Using Mobile Terminal in Locally Distributed Ad-Hoc Networks. | Akimitsu Kanzaki, Tetsuya Taniguchi, Takahiro Hara, Shojiro Nishio |
| 2008 | AINA | Wikipedia Mining for Huge Scale Japanese Association Thesaurus Construction. | Kotaro Nakayama, Masahiro Ito, Takahiro Hara, Shojiro Nishio |
| 2008 | AINA | Constructing a Global Ontology by Concept Mapping Using Wikipedia Thesaurus. | Minghua Pei, Kotaro Nakayama, Takahiro Hara, Shojiro Nishio |
| 2008 | AINA | An Integrated Method for Web Resource Categorization. | Minghua Pei, Kotaro Nakayama, Takahiro Hara, Shojiro Nishio |
| 2008 | AINA | On Effective Data Transmission in Mobile Ad Hoc Networks. | Masako Shinohara, Takahiro Hara, Shojiro Nishio |
| 2008 | CIKM | Association thesaurus construction methods based on link co-occurrence analysis for wikipedia. | Masahiro Ito, Kotaro Nakayama, Takahiro Hara, Shojiro Nishio |
| 2008 | DASFAA | An Approach for Extracting Bilingual Terminology from Wikipedia. | Maike Erdmann, Kotaro Nakayama, Takahiro Hara, Shojiro Nishio |
| 2008 | DASFAA | A Bilingual Dictionary Extracted from the Wikipedia Link Structure. | Maike Erdmann, Kotaro Nakayama, Takahiro Hara, Shojiro Nishio |
| 2008 | DASFAA | A Search Engine for Browsing the Wikipedia Thesaurus. | Kotaro Nakayama, Takahiro Hara, Shojiro Nishio |
| 2008 | DASFAA | An Update Propagation Strategy Considering Access Frequency in Peer-to-Peer Networks. | Toshiki Watanabe, Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2007 | AINA | A Thesaurus Construction Method from Large ScaleWeb Dictionaries. | Kotaro Nakayama, Takahiro Hara, Shojiro Nishio |
| 2007 | AINA | A Data Dissemination Method for Information Sharing Based on Inter-Vehicle Communication. | Hiroyuki Sago, Masako Shinohara, Takahiro Hara, Shojiro Nishio |
| 2007 | AINA | An Update Propagation Strategy for Delay Reduction and Node Failure Tolerance in Peer-to-Peer Networks. | Toshiki Watanabe, Takahiro Hara, Yuki Kido, Shojiro Nishio |
| 2007 | DASFAA | On Query Processing Considering Energy Consumption for Broadcast Database Systems. | Shinya Kitajima, Jing Cai, Tsutomu Terada, Takahiro Hara, Shojiro Nishio |
| 2007 | MDM | An Adaptive Control Method in the Hybrid Wireless Broadcast Environment. | Jing Cai, Tsutomu Terada, Takahiro Hara, Shojiro Nishio |
| 2007 | MDM | Data Replication Considering Power Consumption in Ad Hoc Networks. | Masako Shinohara, Takahiro Hara, Shojiro Nishio |
| 2007 | SAC | An efficient TDMA slot assignment protocol in mobile ad hoc networks. | Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2007 | SAC | Quorum-based consistency management among replicas in ad hoc networks with data update. | Yohei Sawai, Masako Shinohara, Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2007 | SAC | Topology information generation methods using a routing table in ad hoc network applications. | Tetsuya Taniguchi, Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2007 | SAC | A mobile sensor control method for sparse sensor networks. | Kriengsak Treeprapin, Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2007 | UIST | OPA browser: a web browser for cellular phone users. | Yuki Arase, Takahiro Hara, Toshiaki Uemukai, Shojiro Nishio |
| 2007 | WISE | Wikipedia Mining for an Association Web Thesaurus Construction. | Kotaro Nakayama, Takahiro Hara, Shojiro Nishio |
| 2006 | AINA | Location Management of Replicas Considering Data Update in Ad Hoc Networks. | Takahiro Hara |
| 2006 | DEXA | Probabilistic Replication Based on Access Frequencies in Unstructured Peer-to-Peer Networks. | Takahiro Hara, Yuki Kido, Shojiro Nishio |
| 2006 | IROS | Inspection of Visible and Invisible Features of Objects with Image and Sound Signal Processing. | Atsushi Yamashita, Takahiro Hara, Toru Kaneko |
| 2006 | MDM | On a Cooperation of Broadcast Scheduling and Base Station Caching in the Hybrid Wireless Broadcast Environment. | Jing Cai, Tsutomu Terada, Takahiro Hara, Shojiro Nishio |
| 2006 | MDM | Update Log Dissemination in Mobile Ad Hoc Networks. | Hideki Hayashi, Takahiro Hara, Shojiro Nishio |
| 2006 | MDM | On TDMA Slot Assignment Protocol Considering the Existence of Unidirectional Wireless Links in Ad Hoc Sensor Networks. | Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2006 | MDM | A Query Processing Method Considering Query Frequency for Broadcast Database Systems. | Shinya Kitajima, Jing Cai, Tsutomu Terada, Takahiro Hara, Shojiro Nishio |
| 2006 | MDM | Two Approaches to Browse LargeWeb Pages Using Mobile Devices. | Takuya Maekawa, Takahiro Hara, Shojiro Nishio |
| 2006 | MDM | GeoNote.net: A Social Network System for Geographic Information. | Kotaro Nakayama, Takuya Maekawa, Hirokazu Tomiyasu, Takahiro Hara, Shojiro Nishio |
| 2006 | MDM | Consistency Management among Replicas Using a Quorum System in Ad Hoc Networks. | Yohei Sawai, Masako Shinohara, Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2006 | MDM | Profile-based Query Routing in a Mobile Social Network. | Hirokazu Tomiyasu, Takuya Maekawa, Takahiro Hara, Shojiro Nishio |
| 2006 | PERCOM | A Collaborative Web Browsing System for Multiple Mobile Users. | Takuya Maekawa, Takahiro Hara, Shojiro Nishio |
| 2006 | PERCOM | Replica Allocation Considering Power Consumption in Mobile Ad Hoc Networks. | Masako Shinohara, Hideki Hayashi, Takahiro Hara, Shojiro Nishio |
| 2006 | WWW | Image classification for mobile web browsing. | Takuya Maekawa, Takahiro Hara, Shojiro Nishio |
| 2005 | AICCSA | Update propagation based on tree structure in peer-to-peer networks. | Takahiro Hara, M. Nakadori, Wataru Uchida, Kazuhiko Maeda, Shojiro Nishio |
| 2005 | DASFAA | Caching Strategies for Push-Based Broadcast Considering Consecutive Data Accesses with Think-Time. | Wataru Uchida, Takahiro Hara, Shojiro Nishio |
| 2005 | DEXA | A Replica Allocation Method Adapting to Topology Changes in Ad Hoc Networks. | Hideki Hayashi, Takahiro Hara, Shojiro Nishio |
| 2005 | DEXA | On a Collaborative Caching in a Peer-to-Peer Network for Push-Based Broadcast. | Kazuhiko Maeda, Wataru Uchida, Takahiro Hara, Shojiro Nishio |
| 2005 | ICDE | Social Network Applications using Cellular Phones with E-mail Function. | Hirokazu Tomiyasu, Takuya Maekawa, Takahiro Hara, Shojiro Nishio |
| 2005 | ICPADS | Strategies for Data Location Management in Mobile Ad Hoc Networks. | Takahiro Hara |
| 2005 | WWW | An agent system for ontology sharing on WWW. | Kotaro Nakayama, Takahiro Hara, Shojiro Nishio |
| 2005 | SAC | Location management of data items in mobile ad hoc networks. | Takahiro Hara |
| 2005 | SAC | An adaptive TDMA slot assignment protocol in ad hoc sensor networks. | Akimitsu Kanzaki, Takahiro Hara, Shojiro Nishio |
| 2005 | WISE | A Web Mining Method Based on Personal Ontology for Semi-structured RDF. | Kotaro Nakayama, Takahiro Hara, Shojiro Nishio |
| 2005 | SRDS | Consistency Management among Replicas in Peer-to-Peer Mobile Ad Hoc Networks. | Takahiro Hara, Sanjay Kumar Madria |
| 2004 | CaiSE | Updated Data Dissemination in Ad Hoc Networks. | Hideki Hayashi, Takahiro Hara, Shojiro Nishio |
| 2004 | DASFAA | Dynamic Data Replication Using Aperiodic Updates in Mobile Adhoc Networks. | Takahiro Hara, Sanjay Kumar Madria |
| 2003 | AINA | Dynamic TDMA Slot Assignment in Ad Hoc Networks. | Akimitsu Kanzaki, Toshiaki Uemukai, Takahiro Hara, Shojiro Nishio |
| 2003 | CATA | An Adaptive Query Processing Method according to System Environments in Database Broadcasting Systems. | M. Kashita, Tsutomu Terada, Takahiro Hara, Masahiko Tsukamoto, Shojiro Nishio |
| 2003 | CoopIS | Cache Invalidation for Updated Data in Ad Hoc Networks. | Hideki Hayashi, Takahiro Hara, Shojiro Nishio |
| 2003 | NCA | Scheduling Correlated Broadcast Data Considering Access Frequencies with Temporal Variations. | Wataru Uchida, Takahiro Hara, Shojiro Nishio |
| 2002 | ADC | Design and Implementation of DB-MAN Alpha: Does Database Migration Work Well in a Real Environment? | Toyokazu Akiyama, Shinobu Sakai, Akimichi Umigai, Takahiro Hara, Masahiko Tsukamoto, Shojiro Nishio |
| 2002 | CIKM | Cooperative caching by mobile clients in push-based information systems. | Takahiro Hara |
| 2002 | MDM | Replica Allocation in Ad Hoc Networks with Periodic Data Update. | Takahiro Hara |
| 2002 | WCNC | A remote display environment: an integration of mobile and ubiquitous computing environments. | Toshiaki Uemukai, Takahiro Hara, Masahiko Tsukamoto, Shojiro Nishio |
| 2002 | SAC | AODV compatible routing with extensive use of cache information in ad-hoc networks. | Wooi-Ghee Wang, Takahiro Hara, Masahiko Tsukamoto, Shojiro Nishio |
| 2001 | INFOCOM | Effective Replica Allocation in Ad Hoc Networks for Improving Data Accessibility. | Takahiro Hara |
| 2001 | SAC | Location management of mobile hosts by grouping routers. | Hiroaki Hagino, Takahiro Hara, Masahiko Tsukamoto, Shojiro Nishio |
| 2001 | SAC | Scheduling and caching strategies for broadcasting correlated data. | Etsuko Yajima, Takahiro Hara, Masahiko Tsukamoto, Shojiro Nishio |
| 2000 | DEXA | Database Migration in WAN Environments: How Can It Earn Good Performance? | Takahiro Hara, Masahiko Tsukamoto, Shojiro Nishio |
| 2000 | ICDCS | Dynamic Replica Allocation using Database Migration in Broadband Networks. | Takahiro Hara, Kaname Harumoto, Masahiko Tsukamoto, Shojiro Nishio |
| 2000 | SAC | A Hybrid Method for Concurrent Updates on Disconnected Databases in Mobile Computing Environments. | Yin-Huei Loh, Takahiro Hara, Masahiko Tsukamoto, Shojiro Nishio |
| 1998 | ICDE | DB-MAN: A Distributed Database System based on Database Migration in ATM Networks. | Takahiro Hara, Kaname Harumoto, Masahiko Tsukamoto, Shojiro Nishio |
| 1997 | SAC | Location Management Methods of Migratory Data Resources in ATM Networks. | Takahiro Hara, Kaname Harumoto, Masahiko Tsukamoto, Shojiro Nishio |