Spathis, Dimitris

1. PaPaGei: Open Foundation Models for Optical Physiological Signals
   2024/10/27 by Arvind Pillai, Dimitris Spathis, Pillai, Arvind +5 · 1 voice · 21 citations
   #cs.LG #eess.SP
2. The first step is the hardest: Pitfalls of Representing and Tokenizing Temporal Data for Large Language Models
   2023/09/12 by Dimitris Spathis, Fahim Kawsar, Spathis, Dimitris +1 · 11 citations
   Computer Science · #AI in Service Interactions #Computation and Language (cs.CL) #FOS: Computer and information sciences #Machine Learning (cs.LG) #Recommender Systems and Techniques #Topic Modeling
3. Exploring Contrastive Learning in Human Activity Recognition for Healthcare
   2020/11/23 by Chi Ian Tang, Tang, Chi Ian, Ignacio Perez-Pozuelo +5 · 8 citations
   Computer Science · Medicine · #Context-Aware Activity Recognition Systems #IoT and Edge/Fog Computing #Nutritional Studies and Diet
4. CroSSL: Cross-modal Self-Supervised Learning for Time-series through Latent Masking
   2023/07/31 by Deldari, Shohreh, Spathis, Dimitris, Malekzadeh, Mohammad +3 · 4 citations
   #FOS: Computer and information sciences #Machine Learning (cs.LG)
5. Learning Generalizable Physiological Representations from Large-scale Wearable Data
   2020/11/09 by Spathis, Dimitris, Perez-Pozuelo, Ignacio, Brage, Soren +2 · 2 citations
   #Artificial Intelligence (cs.AI) #Computers and Society (cs.CY) #FOS: Computer and information sciences #Machine Learning (cs.LG)
6. Balancing Continual Learning and Fine-tuning for Human Activity Recognition
   2024/01/04 by Chi Ian Tang, Tang, Chi Ian, Lorena Qendro +9 · 2 citations
   Computer Science · #Context-Aware Activity Recognition Systems #Domain Adaptation and Few-Shot Learning #FOS: Computer and information sciences #FOS: Electrical engineering #Human Pose and Action Recognition #Machine Learning (cs.LG) #Signal Processing (eess.SP) #electronic engineering #information engineering
7. LSM-2: Learning from Incomplete Wearable Sensor Data
   2025/06/05 by Maxwell A. Xu, Xu, Maxwell A., Girish Narayanswamy +47 · 6 citations
   Computer Science · Engineering · #Context-Aware Activity Recognition Systems #FOS: Computer and information sciences #Machine Learning (cs.LG) #Machine Learning in Healthcare #Non-Invasive Vital Sign Monitoring
8. Sounds of COVID-19: exploring realistic performance of audio-based digital testing
   2021/06/29 by Jing Han, Xia Tong, Han, Jing +21 · 1 citation
   Computer Science · Medicine · #Audio and Speech Processing (eess.AS) #COVID-19 diagnosis using AI #FOS: Computer and information sciences #FOS: Electrical engineering #Machine Learning (cs.LG) #Music and Audio Processing #Sound (cs.SD) #Speech and Audio Processing #electronic engineering #information engineering
9. Looking for Out-of-Distribution Environments in Multi-center Critical Care Data
   2022/05/26 by Dimitris Spathis, Stephanie L. Hyland, Spathis, Dimitris +1 · 1 citation
   Computer Science · Medicine · #Emergency and Acute Care Studies #FOS: Computer and information sciences #Machine Learning (cs.LG) #Machine Learning in Healthcare #Sepsis Diagnosis and Treatment
10. UDAMA: Unsupervised Domain Adaptation through Multi-discriminator Adversarial Training with Noisy Labels Improves Cardio-fitness Prediction
    2023/07/31 by Wu, Yu, Spathis, Dimitris, Jia, Hong +5 · 1 citation
    #FOS: Computer and information sciences #Machine Learning (cs.LG)
11. Learning under Label Noise through Few-Shot Human-in-the-Loop Refinement
    2024/01/25 by Saeed, Aaqib, Spathis, Dimitris, Oh, Jungwoo +2 · 1 citation
    #FOS: Computer and information sciences #FOS: Electrical engineering #Machine Learning (cs.LG) #Signal Processing (eess.SP) #electronic engineering #information engineering
12. Using Self-supervised Learning Can Improve Model Fairness
    2024/06/04 by Sofia Yfantidou, Dimitris Spathis, Yfantidou, Sofia +9 · 1 citation
    Engineering · Computer Science · #Robotic Process Automation Applications #Machine Learning and Data Classification
13. Time2Lang: Bridging Time-Series Foundation Models and Large Language Models for Health Sensing Beyond Prompting
    2025/02/11 by Arvind Pillai, Dimitris Spathis, Pillai, Arvind +15 · 2 citations
    Computer Science · #FOS: Computer and information sciences #Human-Computer Interaction (cs.HC) #Machine Learning (cs.LG) #Topic Modeling
14. StatioCL: Contrastive Learning for Time Series via Non-Stationary and Temporal Contrast
    2024/10/14 by Wu, Yu, Dang, Ting, Spathis, Dimitris +2 · 1 citation
    #FOS: Computer and information sciences #Machine Learning (cs.LG)