Takuya Maekawa

Orcid: 0000-0002-7227-580X

According to our database1, Takuya Maekawa authored at least 143 papers between 2004 and 2024.

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Bibliography

2024
Predicting Signal Reception Information from GNSS Satellites in Indoor Environments without Site Survey: Towards Opportunistic Indoor Positioning Based on GNSS Fingerprinting.
Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., August, 2024

Editor's Message to Special Issue of Ubiquitous Computing Systems (XII).
J. Inf. Process., 2024

AoA-net: Estimating Angle-of-arrival Using Wi-Fi Channel State Information Based on Deep Neural Networks with Subcarrier Selection.
J. Inf. Process., 2024

Artifact: OpenPack: A Large-scale Dataset for Recognizing Packaging Works in Logistic Environments.
Proceedings of the IEEE International Conference on Pervasive Computing and Communications Workshops and other Affiliated Events, 2024

OpenPack: A Large-Scale Dataset for Recognizing Packaging Works in IoT-Enabled Logistic Environments.
Proceedings of the IEEE International Conference on Pervasive Computing and Communications, 2024

Preliminary Investigation of SSL for Complex Work Activity Recognition in Industrial Domain via MoIL.
Proceedings of the IEEE International Conference on Pervasive Computing and Communications Workshops and other Affiliated Events, 2024

2023
Automated construction of Wi-Fi-based indoor logical location predictor using crowd-sourced photos with Wi-Fi signals.
Pervasive Mob. Comput., February, 2023

MGA-Net+: Acceleration-based packaging work recognition using motif-guided attention networks.
Pervasive Mob. Comput., January, 2023

Unsupervised Human Activity Recognition through Two-stage Prompting with ChatGPT.
CoRR, 2023

A benchmark for computational analysis of animal behavior, using animal-borne tags.
CoRR, 2023

An Effective and Efficient Self-Attention Based Model for Next POI Recommendation.
Proceedings of the IEEE International Conference on Pervasive Computing and Communications Workshops and other Affiliated Events, 2023

Detecting Repetitive Human Actions by Neural Networks Trained on Composite Data Only.
Proceedings of the IEEE International Conference on Pervasive Computing and Communications Workshops and other Affiliated Events, 2023

Joint Estimation of the Distance and Relative Velocity of Obstacles via Smartphone Active Sound Sensing for Pedestrian Safety.
Proceedings of the IEEE International Conference on Pervasive Computing and Communications, 2023

Recent Trends in Sensor-based Activity Recognition.
Proceedings of the 24th IEEE International Conference on Mobile Data Management, 2023

User-irrelevant Cross-domain Association Analysis for Cross-domain Recommendation with Transfer Learning.
Proceedings of the 4th ACM Workshop on Intelligent Cross-Data Analysis and Retrieval, 2023

2022
HML4Rec: Hierarchical meta-learning for cold-start recommendation in flash sale e-commerce.
Knowl. Based Syst., 2022

GPS-assisted Indoor Pedestrian Dead Reckoning.
Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2022

Acceleration-based Activity Recognition of Repetitive Works with Lightweight Ordered-work Segmentation Network.
Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2022

Predicting Performance Improvement of Human Activity Recognition Model by Additional Data Collection.
Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2022

Few-Shot and Weakly Supervised Repetition Counting With Body-Worn Accelerometers.
Frontiers Comput. Sci., 2022

Acceleration-based Human Activity Recognition of Packaging Tasks Using Motif-guided Attention Networks.
Proceedings of the IEEE International Conference on Pervasive Computing and Communications, 2022

Location Representations for Accelerating the Training of Next POI Recommender System.
Proceedings of the Adjunct Proceedings of the 2022 ACM International Joint Conference on Pervasive and Ubiquitous Computing and the 2022 ACM International Symposium on Wearable Computers, 2022

2021
Context Recognition by Wireless Sensing: A Comprehensive Survey.
J. Inf. Process., 2021

Predicting Next-use Mobile Apps Using App Semantic Representations.
J. Inf. Process., 2021

Sim2RealQA: Using Life Simulation to Solve Question Answering Real-World Events.
IEEE Access, 2021

NaviMine: A tool for mining trajectories through behavior prediction.
Proceedings of the 19th IEEE International Conference on Pervasive Computing and Communications Workshops and other Affiliated Events, 2021

Comparative Analysis of High- and Low-Performing Factory Workers with Attention-Based Neural Networks.
Proceedings of the Mobile and Ubiquitous Systems: Computing, Networking and Services, 2021

Wi-Fi CSI-Based Activity Recognition with Adaptive Sampling Rate Selection.
Proceedings of the Mobile and Ubiquitous Systems: Computing, Networking and Services, 2021

Concept Drift Detection with Denoising Autoencoder in Incomplete Data.
Proceedings of the Mobile and Ubiquitous Systems: Computing, Networking and Services, 2021

WeakCounter: Acceleration-based Repetition Counting of Actions with Weakly Supervised Learning.
Proceedings of the ISWC 2021: Proceedings of the 2021 ACM International Symposium on Wearable Computers, 2021

Using Social Media Background to Improve Cold-Start Recommendation Deep Models.
Proceedings of the International Joint Conference on Neural Networks, 2021

Toward Understanding Acceleration-based Activity Recognition Neural Networks with Activation Maximization.
Proceedings of the International Joint Conference on Neural Networks, 2021

Fréchet Kernel for Trajectory Data Analysis.
Proceedings of the SIGSPATIAL '21: 29th International Conference on Advances in Geographic Information Systems, 2021

2020
Detecting Energy Depriving Malicious Nodes by Unsupervised Learning in Energy Harvesting Cooperative Wireless Sensor Networks.
J. Inf. Process., 2020

Robust Unsupervised Factory Activity Recognition with Body-worn Accelerometer Using Temporal Structure of Multiple Sensor Data Motifs.
Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2020

Detecting Reinforcement Learning-Based Grey Hole Attack in Mobile Wireless Sensor Networks.
IEICE Trans. Commun., 2020

Smartphone-assisted Automatic Indoor Localization of BLE-enabled Appliances Using BLE and GNSS Signals.
Proceedings of the BuildSys '20: The 7th ACM International Conference on Systems for Energy-Efficient Buildings, 2020

Similarity of Speech Emotion in Different Languages Revealed by a Neural Network with Attention.
Proceedings of the IEEE 14th International Conference on Semantic Computing, 2020

On the Transferability of Deep Neural Networks for Recommender System.
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), 2020

Human Activity Recognition with Deep Reinforcement Learning using the Camera of a Mobile Robot.
Proceedings of the 2020 IEEE International Conference on Pervasive Computing and Communications, 2020

Two-Stream Spatiotemporal Compositional Attention Network for VideoQA.
Proceedings of the 31st British Machine Vision Conference 2020, 2020

2019
Unsupervised Factory Activity Recognition with Wearable Sensors Using Process Instruction Information.
Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2019

Preface: special issue on systems science of bio-navigation.
Adv. Robotics, 2019

Preliminary Investigation of Alleviating User Cold-Start Problem in E-commerce with Deep Cross-Domain Recommender System.
Proceedings of the Companion of The 2019 World Wide Web Conference, 2019

Behavior Matching between Different Domains based on Canonical Correlation Analysis.
Proceedings of the Companion of The 2019 World Wide Web Conference, 2019

Object-based Activity Recognition Using Egocentric Video Based on Web Knowledge.
Proceedings of the IEEE International Conference on Pervasive Computing and Communications Workshops, 2019

Estimating User Contexts from Mobile Application Usage Histories.
Proceedings of the IEEE International Conference on Pervasive Computing and Communications Workshops, 2019

Preliminary Investigation of Predicting Next-Use Mobile Apps Using App Semantic Representations.
Proceedings of the IEEE International Conference on Pervasive Computing and Communications Workshops, 2019

A Heterogeneous Domain Adversarial Neural Network for Trans-Domain Behavioral Targeting.
Proceedings of the Trends and Applications in Knowledge Discovery and Data Mining, 2019

Preliminary Investigation of Visualizing Human Activity Recognition Neural Network.
Proceedings of the Twelfth International Conference on Mobile Computing and Ubiquitous Network, 2019

Upsampling Inertial Sensor Data from Wearable Smart Devices using Neural Networks.
Proceedings of the 39th IEEE International Conference on Distributed Computing Systems, 2019

A Causality Analysis for Nonlinear Classification Model with Self-Organizing Map and Locally Approximation to Linear Model.
Proceedings of the 11th International Conference on Agents and Artificial Intelligence, 2019

Towards Overhead Semantic Part Segmentation of Workers in Factory Environments from Depth Images using a FCN.
Proceedings of the 2019 IEEE International Conference on Cyborg and Bionic Systems, 2019

Advertiser-Assisted Behavioral Ad-Targeting via Denoised Distribution Induction.
Proceedings of the 2019 IEEE International Conference on Big Data (IEEE BigData), 2019

2018
Privacy preserving recognition of object-based activities using near-infrared reflective markers.
Pers. Ubiquitous Comput., 2018

Estimating the Physical Distance between Two Locations with Wi-Fi Received Signal Strength Information Using Obstacle-aware Approach.
Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2018

Detecting Door Events Using a Smartphone via Active Sound Sensing.
Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2018

Unobtrusive detection of body movements during sleep using Wi-Fi received signal strength with model adaptation technique.
Future Gener. Comput. Syst., 2018

Preliminary Investigation of Fine-Grained Gesture Recognition With Signal Super-Resolution.
Proceedings of the 2018 IEEE International Conference on Pervasive Computing and Communications Workshops, 2018

Preliminary Investigation of Position Independent Gesture Recognition Using Wi-Fi CSI.
Proceedings of the 2018 IEEE International Conference on Pervasive Computing and Communications Workshops, 2018

Preliminary Investigation of Detecting Events of Indoor Objects with Smartphone Active Sound Sensing.
Proceedings of the 2018 IEEE International Conference on Pervasive Computing and Communications Workshops, 2018

Preliminary Investigation of Object-based Activity Recognition Using Egocentric Video Based on Web Knowledge.
Proceedings of the 17th International Conference on Mobile and Ubiquitous Multimedia, 2018

Environment-Adaptive Malicious Node Detection in MANETs with Ensemble Learning.
Proceedings of the 38th IEEE International Conference on Distributed Computing Systems, 2018

Easy-to-Install Methods for Indoor Context Recognition Using Wi-Fi Signals.
Proceedings of the Distributed, Ambient and Pervasive Interactions: Technologies and Contexts, 2018

Virtual Touch-Point: Trans-Domain Behavioral Targeting via Transfer Learning.
Proceedings of the IEEE International Conference on Big Data (IEEE BigData 2018), 2018

Generating an Event Timeline About Daily Activities From a Semantic Concept Stream.
Proceedings of the Thirty-Second AAAI Conference on Artificial Intelligence, 2018

2017
How Well Can a User's Location Privacy Preferences be Determined Without Using GPS Location Data?
IEEE Trans. Emerg. Top. Comput., 2017

Spatio-temporal adaptive indoor positioning using an ensemble approach.
Pervasive Mob. Comput., 2017

Automatic Measurement of Lead Time of Repetitive Assembly Work in a Factory Using a Wearable Sensor.
J. Inf. Process., 2017

Unconstrained Person Identification from Ceiling Using Multiview Learning for Tabletop Users.
J. Inf. Process., 2017

Detecting State Changes of Indoor Everyday Objects using Wi-Fi Channel State Information.
Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2017

Device-free and privacy preserving indoor positioning using infrared retro-reflection imaging.
Proceedings of the 2017 IEEE International Conference on Pervasive Computing and Communications, 2017

Good pervasive computing studies require laborious data labeling efforts: Our experience in activity recognition and indoor positioning studies.
Proceedings of the 2017 IEEE International Conference on Pervasive Computing and Communications Workshops, 2017

Preliminary Evaluation of a Framework for Overhead Skeleton Tracking in Factory Environments using Kinect.
Proceedings of the 4th international Workshop on Sensor-based Activity Recognition and Interaction, 2017

Never Abandon Minorities: Exhaustive Extraction of Bursty Phrases on Microblogs Using Set Cover Problem.
Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing, 2017

Easy to Install Indoor Positioning System that Parasitizes Home Lighting.
Proceedings of the Ambient Intelligence, 2017

2016
Sonic Home: Environmental Sound Collection Game for Human Activity Recognition.
J. Inf. Process., 2016

Estimating Physical Characteristics with Body-worn Accelerometers Based on Activity Similarities.
J. Inf. Process., 2016

Toothbrushing Performance Evaluation Using Smartphone Audio Based on Hybrid HMM-recognition/SVM-regression Model.
J. Inf. Process., 2016

Towards unsupervised measurement of assembly work cycle time by using wearable sensor.
Proceedings of the 2016 IEEE International Conference on Pervasive Computing and Communication Workshops, 2016

Preliminary investigation of unconstrained person identification for tabletops using soft biometrics.
Proceedings of the 2016 IEEE International Conference on Pervasive Computing and Communication Workshops, 2016

Tree-structured classifier for acceleration-based activity and gesture recognition on smartwatches.
Proceedings of the 2016 IEEE International Conference on Pervasive Computing and Communication Workshops, 2016

Initial investigation of indoor positioning system that parasitizes home lighting.
Proceedings of the 15th International Conference on Mobile and Ubiquitous Multimedia, 2016

Identification from ceiling: unconstrained person identification for tabletops using multiview learning.
Proceedings of the 15th International Conference on Mobile and Ubiquitous Multimedia, 2016

Predicting location semantics combining active and passive sensing with environment-independent classifier.
Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing, 2016

Toward practical factory activity recognition: unsupervised understanding of repetitive assembly work in a factory.
Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing, 2016

Selecting home appliances with smart glass based on contextual information.
Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing, 2016

Egocentric Video Search via Physical Interactions.
Proceedings of the Thirtieth AAAI Conference on Artificial Intelligence, 2016

2015
Automatic Update of Indoor Location Fingerprints with Pedestrian Dead Reckoning.
ACM Trans. Embed. Comput. Syst., 2015

Spring Model Based Collaborative Indoor Position Estimation With Neighbor Mobile Devices.
IEEE J. Sel. Top. Signal Process., 2015

Dynamic charging using parallel line feeder with hybrid inductive-capacitive coupling and receiver-side load control.
IEICE Electron. Express, 2015

An energy-aware method for the joint recognition of activities and gestures using wearable sensors.
Proceedings of the 2015 ACM International Symposium on Wearable Computers, 2015

A proposal of electromagnetic coupling for parallel line fed wireless power transfer.
Proceedings of the 15th International Symposium on Communications and Information Technologies, 2015

Transferring positioning model for device-free passive indoor localization.
Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing, 2015

Evaluating tooth brushing performance with smartphone sound data.
Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing, 2015

2014
Reusing training data with generative/discriminative hybrid model for practical acceleration-based activity recognition.
Computing, 2014

Robust Wi-Fi based indoor positioning with ensemble learning.
Proceedings of the IEEE 10th International Conference on Wireless and Mobile Computing, 2014

Identifying outlets at which electrical appliances are used by electrical wire sensing to gain positional information about appliance use.
Proceedings of the 2014 ACM International Joint Conference on Pervasive and Ubiquitous Computing, 2014

2013
Training data selection with user's physical characteristics data for acceleration-based activity modeling.
Pers. Ubiquitous Comput., 2013

Activity recognition with hand-worn magnetic sensors.
Pers. Ubiquitous Comput., 2013

A sensor device for automatic food lifelogging that is embedded in home ceiling light: A preliminary investigation.
Proceedings of the 7th International Conference on Pervasive Computing Technologies for Healthcare and Workshops, 2013

A hybrid unsupervised/supervised model for group activity recognition.
Proceedings of the 17th Annual International Symposium on Wearable Computers. ISWC 2013, 2013

Detecting and correcting WiFi positioning errors.
Proceedings of the 2013 ACM International Joint Conference on Pervasive and Ubiquitous Computing, 2013

Sharing training data among different activity classes.
Proceedings of the 2013 ACM International Joint Conference on Pervasive and Ubiquitous Computing, 2013

2012
Context-aware web search in ubiquitous sensor environments.
ACM Trans. Internet Techn., 2012

Recognizing Handheld Electrical Device Usage with Hand-Worn Coil of Wire.
Proceedings of the Pervasive Computing - 10th International Conference, 2012

Mimic Sensors: Battery-Shaped Sensor Node for Detecting Electrical Events of Handheld Devices.
Proceedings of the Pervasive Computing - 10th International Conference, 2012

WristSense: Wrist-worn sensor device with camera for daily activity recognition.
Proceedings of the Tenth Annual IEEE International Conference on Pervasive Computing and Communications, 2012

2011
Recognizing the Use of Portable Electrical Devices with Hand-Worn Magnetic Sensors.
Proceedings of the Pervasive Computing - 9th International Conference, 2011

Unsupervised Activity Recognition with User's Physical Characteristics Data.
Proceedings of the 15th IEEE International Symposium on Wearable Computers (ISWC 2011), 2011

WPT: A Toolkit for Publishing a Web-Based Lifelog.
Proceedings of the Modeling and Using Context, 2011

2010
Estimating which Object Type a Sensor Node is Attached to in Ubiquitous Sensor Environment.
Int. J. Softw. Sci. Comput. Intell., 2010

The Event Search Engine.
Int. J. Cogn. Informatics Nat. Intell., 2010

Incremental Knowledge Construction for Real-World Event Understanding.
Int. J. Cogn. Informatics Nat. Intell., 2010

Object-Based Activity Recognition with Heterogeneous Sensors on Wrist.
Proceedings of the Pervasive Computing, 8th International Conference, 2010

Interactive story creation for knowledge acquisition.
Proceedings of the 5th ACM/IEEE International Conference on Human Robot Interaction, 2010

2009
Tearable: haptic display that presents a sense of tearing real paper.
Proceedings of the ACM Symposium on Virtual Reality Software and Technology, 2009

MADO interface: a window like a tangible user interface to look into the virtual world.
Proceedings of the 3rd International Conference on Tangible and Embedded Interaction 2009, 2009

Web searching for daily living.
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2009

Tearable: an experience to sense infinite paper tearing.
Proceedings of the International Conference on Computer Graphics and Interactive Techniques, 2009

Semi-automatic Story Creation System in Ubiquitous Sensor Environment.
Proceedings of the Ambient Intelligence, 2009

Labeling-based knowledge construction for real-world event understanding.
Proceedings of the 8th IEEE International Conference on Cognitive Informatics, 2009

2008
Object-Blog System for Environment-Generated Content.
IEEE Pervasive Comput., 2008

Selfish Constraint Satisfaction Genetic Algorithm for Planning a Long-distance Transportation Network.
J. Comput., 2008

Web page retrieval in ubiquitous sensor environments.
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2008

Data gathering in high-density wireless sensor networks using hierarchical clustering.
Proceedings of the 2008 5th International Symposium on Wireless Communication Systems, 2008

Estimation of relative position between real objects using sensor nodes.
Proceedings of the 5th international conference on Pervasive services, 2008

Tag and Think: inferring what a sensor node is attached to.
Proceedings of the 5th international conference on Pervasive services, 2008

2007
A web browsing system for cellular-phone users based on adaptive presentation.
Univers. Access Inf. Soc., 2007

Towards environment generated media: object-participation-type weblog in home sensor network.
Proceedings of the 16th International Conference on World Wide Web, 2007

Long-distance transportation network planning method using selfish constraint satisfaction type GA.
Proceedings of the IEEE International Conference on Systems, 2007

Tagging strategies for extracting real-world events with networked sensors.
Proceedings of the 2007 workshop on Tagging, 2007

2006
An information browsing system using a Java-based cellular phone in a remote display environment.
Syst. Comput. Jpn., 2006

Image classification for mobile web browsing.
Proceedings of the 15th international conference on World Wide Web, 2006

A web browsing system based on adaptive presentation of web contents for cellular phones.
Proceedings of the 2006 International Cross-Disciplinary Workshop on Web Accessibility (W4A 2006): Building the mobile web: rediscovering accessibility? Edinburgh, 2006

A Collaborative Web Browsing System for Multiple Mobile Users.
Proceedings of the 4th IEEE International Conference on Pervasive Computing and Communications (PerCom 2006), 2006

Profile-based Query Routing in a Mobile Social Network.
Proceedings of the 7th International Conference on Mobile Data Management (MDM 2006), 2006

GeoNote.net: A Social Network System for Geographic Information.
Proceedings of the 7th International Conference on Mobile Data Management (MDM 2006), 2006

Two Approaches to Browse LargeWeb Pages Using Mobile Devices.
Proceedings of the 7th International Conference on Mobile Data Management (MDM 2006), 2006

GA Applied VRP Solving method for a Cooperative Logistics Network.
Proceedings of 11th IEEE International Conference on Emerging Technologies and Factory Automation, 2006

2005
Social Network Applications using Cellular Phones with E-mail Function.
Proceedings of the 21st International Conference on Data Engineering Workshops, 2005

Content Description and Partitioning Methods for Collaborative Browsing by Multiple Mobile Users.
Proceedings of the 16th International Workshop on Database and Expert Systems Applications (DEXA 2005), 2005

2004
A Java-Based Information Browsing System in a Remote Display Environment.
Proceedings of the 2004 IEEE International Conference on E-Commerce Technology (CEC 2004), 2004


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