Mechanocardiogram Measured at the Back of Subjects Sitting in a Chair as a Non-intrusive Pre-ejection Period Measurement. - Yong Gyu Lim; Ki Hwan Hong; Ko Keun Kim; Jae Hyeog Shin; Kwang Suk Park (PervasiveHealth, 2006)

ECG measurement on a chair without conductive contact. - Yong Gyu Lim; Ko Keun Kim; Kwang Suk Park (IEEE Trans. Biomed. Eng., 2006)

ECG Recording on a Bed During Sleep Without Direct Skin-Contact. - Yong Gyu Lim; Ko Keun Kim; Kwang Suk Park (IEEE Trans. Biomed. Eng., 2007)

Photoplethysmogram Measurement Without Direct Skin-to-Sensor Contact Using an Adaptive Light Source Intensity Control. - Hyun Jae Baek; Gih Sung Chung; Ko Keun Kim; Jung Soo Kim; Kwang Suk Park (IEEE Trans. Inf. Technol. Biomed., 2009)

Thin and flexible active electrodes with shield for capacitive electrocardiogram measurement. - Seung Min Lee; Kyo Sik Sim; Ko Keun Kim; Yong Gyu Lim; Kwang Suk Park (Medical Biol. Eng. Comput., 2010)

Effect of missing RR-interval data on nonlinear heart rate variability analysis. - Ko Keun Kim; Hyun Jae Baek; Yong Gyu Lim; Kwang Suk Park (Comput. Methods Programs Biomed., 2012)

A Smart Health Monitoring Chair for Nonintrusive Measurement of Biological Signals. - Hyun Jae Baek; Gih Sung Chung; Ko Keun Kim; Kwang Suk Park (IEEE Trans. Inf. Technol. Biomed., 2012)

Motor Imagery Classification Using Mu and Beta Rhythms of EEG with Strong Uncorrelating Transform Based Complex Common Spatial Patterns. - Youngjoo Kim; Jiwoo Ryu; Ko Keun Kim; Clive Cheong Took; Danilo P. Mandic; Cheolsoo Park (Comput. Intell. Neurosci., 2016)

Efficiently Updating ECG-Based Biometric Authentication Based on Incremental Learning. - Junmo Kim 001; Geunbo Yang; Juhyeong Kim; Seungmin Lee; Ko Keun Kim; Cheolsoo Park (Sensors, 2021)

Exploiting Relation-aware Attribute Representation Learning in Knowledge Graph Embedding for Numerical Reasoning. - Gayeong Kim; Sookyung Kim; Ko Keun Kim; Suchan Park; Heesoo Jung; Hogun Park (KDD, 2023)

Energy-Efficient PPG-Based Respiratory Rate Estimation Using Spiking Neural Networks. - Geunbo Yang; Youngshin Kang; Peter H. Charlton; Panayiotis A. Kyriacou; Ko Keun Kim; Ling Li 010; Cheolsoo Park (Sensors, 2024)

Enhancing Complex Reasoning in Knowledge Graph Question Answering through Query Graph Approximation. - Hongjun Jeong; Minji Kim; Heesoo Jung; Ko Keun Kim; Hogun Park (ACL (Findings), 2025)

Enhancing Inductive Numerical Reasoning in Knowledge Graphs with Relation-Aware Relative Numeric Encoding. - Hongjun Jeong; Heesoo Jung; Gayeong Kim; Juann Kim; Ko Keun Kim; Hogun Park (PAKDD (2), 2025)