UniMTS: Unified Pre-training for Motion Time Series

X Zhang, D Teng, RR Chowdhury… - Advances in …, 2025 - proceedings.neurips.cc
Motion time series collected from low-power, always-on mobile and wearable devices such
as smartphones and smartwatches offer significant insights into human behavioral patterns …

Behavior-aware Sparse Trajectory Recovery in Last-mile Delivery with Multi-scale Attention Fusion

H Wang, S Wang, L Lin, Y Yang, S Wang… - Proceedings of the 33rd …, 2024 - dl.acm.org
Trajectory data is a valuable asset for service management and spatio-temporal mining in
transportation and logistics systems. However, due to equipment failure, network delay, and …

PhyMask: An Adaptive Masking Paradigm for Efficient Self-Supervised Learning in IoT

D Kara, T Kimura, Y Chen, J Li, R Wang… - Proceedings of the …, 2024 - dl.acm.org
This paper introduces PhyMask, an adaptive masking paradigm designed to enhance the
efficiency and interpretability of Masked Autoencoders (MAEs) in analyzing IoT sensing …

A State-of-the-Art Review of Computational Models for Analyzing Longitudinal Wearable Sensor Data in Healthcare

P Lago - arxiv preprint arxiv:2407.21665, 2024 - arxiv.org
Wearable devices are increasingly used as tools for biomedical research, as the continuous
stream of behavioral and physiological data they collect can provide insights about our …

GOAT: A Generalized Cross-Dataset Activity Recognition Framework with Natural Language Supervision

S Miao, L Chen - Proceedings of the ACM on Interactive, Mobile …, 2024 - dl.acm.org
Wearable human activity recognition faces challenges in cross-dataset generalization due to
variations in device configurations and activity types across datasets. We present GOAT, a …

Past, present, and future of sensor-based human activity recognition using wearables: A surveying tutorial on a still challenging task

H Haresamudram, CI Tang, S Suh, P Lukowicz… - arxiv preprint arxiv …, 2024 - arxiv.org
In the many years since the inception of wearable sensor-based Human Activity Recognition
(HAR), a wide variety of methods have been introduced and evaluated for their ability to …

[HTML][HTML] In Shift and In Variance: Assessing the Robustness of HAR Deep Learning Models Against Variability

AA Khaked, N Oishi, D Roggen, P Lago - Sensors, 2025 - mdpi.com
Deep learning (DL)-based Human Activity Recognition (HAR) using wearable inertial
measurement unit (IMU) sensors can revolutionize continuous health monitoring and early …

Real-time Abnormal Address Detection for Mobile Devices in Location-based Services

Z Hong, H Yang, H Wang, W Lyu… - IEEE Transactions …, 2025 - ieeexplore.ieee.org
An address, a textual description of a geographical location, plays an important role in
location-based services such as instant delivery. However, abnormal addresses (ie, an …

[HTML][HTML] Robust Human Activity Recognition for Intelligent Transportation Systems Using Smartphone Sensors: A Position-Independent Approach

JBL Bernardo, A Taparugssanagorn, H Miyazaki… - Applied Sciences, 2024 - mdpi.com
This study explores Human Activity Recognition (HAR) using smartphone sensors to
address the challenges posed by position-dependent datasets. We propose a position …

AutoLife: Automatic Life Journaling with Smartphones and LLMs

H Xu, P Tong, M Li, M Srivastava - arxiv preprint arxiv:2412.15714, 2024 - arxiv.org
This paper introduces a novel mobile sensing application-life journaling-designed to
generate semantic descriptions of users' daily lives. We present AutoLife, an automatic life …