Author

Duc Dat Pham

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Open access Sep 2026

An adaptive traffic signal control system based on PPO-LSTM reinforcement learning for urban intersections

Traffic congestion at signalized intersections leads to significant delays, increased fuel consumption, and elevated emissions, motivating adaptive control strategies that can respond to time-varying traffic conditions. This paper presents an adaptive traffic signal control framework based on deep reinforcement learnin...

Kha-Tu Huynh, Gia Huy Hoang, Duc Dat Pham et al. · Vietnam Journal of Computer... · 0 citations

Conference Aug 2026

Vi-FusionQA: A Unified Benchmark and Baseline Study for Vietnamese Question Answering

Vietnamese question answering (QA) is increasingly important for customer support and digital service applications, yet existing Vietnamese QA resources remain limited in scale, domain coverage, and task format. In this paper, we introduce Vi-FusionQA, a public unified benchmark for cross-domain Vietnamese question ans...

Hong Son Nguyen, Duc Dat Pham, T. Huynh et al. · International Conference on... · 0 citations

Conference Jul 2026

Toward Elderly-Care-Oriented Smart Home HAR via Sensor-Aligned Activity Taxonomy

Smart home environments provide a practical basis for privacy-preserving activity monitoring in elderly-care and independent living settings, where ambient sensors such as motion detectors and door contacts can observe daily routines without requiring any action or device from residents. However, ambient-sensor-based h...

Le Bao Ngoc Tran, Duc Dat Pham, Huu-Sy Le et al. · 2026 11th International Conf... · 0 citations