Sustainability Analysis of Earthmoving Operations. - Changbum R. Ahn; Prasant V. Rekapalli; Julio C. Martínez; Feniosky Peña-Mora (WSC, 2009)

Lessons learned from utilizing discrete-event simulation modeling for quantifying construction emissions in pre-planning phase. - Changbum R. Ahn; Wenjia Pan; SangHyun Lee; Feniosky Peña-Mora (WSC, 2010)

Integrated evaluation of cost, schedule and emission performance on rock-filled concrete dam construction operation using discrete event simulation. - Chunna Liu; Changbum R. Ahn; Xuehui An; SangHyun Lee (WSC, 2013)

Application of Low-Cost Accelerometers for Measuring the Operational Efficiency of a Construction Equipment Fleet. - Changbum R. Ahn; Sanghyun Lee; Feniosky Peña-Mora (J. Comput. Civ. Eng., 2015)

A people-centric sensing approach to detecting sidewalk defects. - Hyunsoo Kim; Changbum R. Ahn; Kanghyeok Yang (Adv. Eng. Informatics, 2016)

Comprehensive Fall-Risk Assessment of Construction Workers Using Inertial Measurement Units: Validation of the Gait-Stability Metric to Assess the Fall Risk of Iron Workers. - Houtan Jebelli; Changbum R. Ahn; Terry Stentz (J. Comput. Civ. Eng., 2016)

Deciphering Workers' Safety Attitudes by Sensing Gait Patterns. - Cenfei Sun; Changbum R. Ahn; Kanghyeok Yang; Terry Stentz; Hyunsoo Kim (HCI (17), 2017)

MPSBL: Multiple Transmit Power Assisted Sequence-Based Localization in Wireless Sensor Networks. - Fujuan Guo; Mehmet C. Vuran; Kanghyeok Yang; Changbum R. Ahn (ICC, 2018)

Personalize Wayfinding Information for Fire Responders based on Virtual Reality Training Data. - Jing Du; Qi Wang; Yingzi Lin; Changbum R. Ahn (HICSS, 2019)

Exploiting Multiple Receivers for CSI-Based Activity Classification Using A Hybrid CNN-LSTM Model. - Hoonyong Lee; Changbum Ryan Ahn; Nakjung Choi (BuildSys, 2019)

Measuring Routine Variability of Daily Activities with Image Complexity Metrics. - Bogyeong Lee; Changbum Ryan Ahn; Prakhar Mohan; Theodora Chaspari; Hyunsoo Lee (BuildSys, 2019)

Capturing Regularity of ADL Routines Using Hierarchical Clustering Models. - Prakhar Mohan; Bogyeong Lee; Theodora Chaspari; Changbum Ryan Ahn (BuildSys, 2019)

Inferring workplace safety hazards from the spatial patterns of workers' wearable data. - Kanghyeok Yang; Changbum R. Ahn (Adv. Eng. Informatics, 2019)

Automated Activity Recognition of Construction Equipment Using a Data Fusion Approach. - Behnam Sherafat; Abbas Rashidi; Yong-Cheol Lee; Changbum R. Ahn (CoRR, 2019)

The Effects of Housing Environments on the Performance of Activity-Recognition Systems Using Wi-Fi Channel State Information: An Exploratory Study. - Hoonyong Lee; Changbum R. Ahn; Nakjung Choi; Toseung Kim; Hyunsoo Lee (Sensors, 2019)

A Hybrid Kinematic-Acoustic System for Automated Activity Detection of Construction Equipment. - Behnam Sherafat; Abbas Rashidi; Yong-Cheol Lee; Changbum R. Ahn (Sensors, 2019)

The influence of built environment features on crowdsourced physiological responses of pedestrians in neighborhoods. - Jinwoo Kim; Changbum R. Ahn; Yunwoo Nam (Comput. Environ. Urban Syst., 2019)

A Digital Twin City Model for Age-Friendly Communities: Capturing Environmental Distress from Multimodal Sensory Data. - Changbum R. Ahn; Youngjib Ham; Jinwoo Kim; Jaeyoon Kim (HICSS, 2020)

Bio-sensing of Environmental Distress for Walkable Built Environment. - Changbum Ryan Ahn (ICMI Companion, 2020)

The Impacts of CSI Temporal Variations on CSI-based Occupancy Monitoring Systems: An Exploratory Study. - Hoonyong Lee; Changbum Ryan Ahn; Nakjung Choi (BuildSys, 2020)

Assessing ADL Routine Variability from High-dimensional Sensing Data using Hierarchical Clustering. - Bogyeong Lee; Changbum Ryan Ahn; Prakhar Mohan; Theodora Chaspari (BuildSys, 2020)

Saliency detection analysis of collective physiological responses of pedestrians to evaluate neighborhood built environments. - Jinwoo Kim; Megha Yadav; Theodora Chaspari; Changbum R. Ahn (Adv. Eng. Informatics, 2020)

Fine-grained occupant activity monitoring with Wi-Fi channel state information: Practical implementation of multiple receiver settings. - Hoonyong Lee; Changbum R. Ahn; Nakjung Choi (Adv. Eng. Informatics, 2020)

Deep learning-based classification of work-related physical load levels in construction. - Kanghyeok Yang; Changbum R. Ahn; Hyunsoo Kim (Adv. Eng. Informatics, 2020)

Environmental Distress and Physiological Signals: Examination of the Saliency Detection Method. - Jinwoo Kim; Megha Yadav; Theodora Chaspari; Changbum R. Ahn (J. Comput. Civ. Eng., 2020)

Evaluating Routine Variability of Daily Activities in Smart Homes with Image Complexity Measures. - Bogyeong Lee; Changbum Ryan Ahn; Prakhar Mohan; Theodora Chaspari; Hyunsoo Lee (J. Comput. Civ. Eng., 2020)

Wearable Biosensor and Collective Sensing-Based Approach for Detecting Older Adults' Environmental Barriers. - Gaang Lee; Byungjoo Choi; Houtan Jebelli; Changbum Ryan Ahn; Sanghyun Lee (J. Comput. Civ. Eng., 2020)

Noise Reference Signal-Based Denoising Method for EDA Collected by Multimodal Biosensor Wearable in the Field. - Gaang Lee; Byungjoo Choi; Houtan Jebelli; Changbum Ryan Ahn; Sanghyun Lee (J. Comput. Civ. Eng., 2020)

Agent-Based Simulation to Predict Occupants' Physical-Distancing Behaviors in Educational Buildings. - Bogyeong Lee; Changbum Ryan Ahn (WSC, 2021)

Predicting workers' inattentiveness to struck-by hazards by monitoring biosignals during a construction task: A virtual reality experiment. - Namgyun Kim; Jinwoo Kim; Changbum R. Ahn (Adv. Eng. Informatics, 2021)

Toward Integrated Human-machine Intelligence for Civil Engineering: An Interdisciplinary Perspective. - Cheng Zhang; Jinwoo Kim; Jungho Jeon; Jinding Xing; Changbum R. Ahn; Pingbo Tang; Hubo Cai (CoRR, 2021)

Assessment of Daily Routine Uniformity in a Smart Home Environment Using Hierarchical Clustering. - Prakhar Mohan; Bogyeong Lee; Theodora Chaspari; Changbum R. Ahn (IEEE J. Biomed. Health Informatics, 2021)

Explainable Prediction of Pedestrians' Distress in the Urban Built Environment. - Jinwoo Kim; Dongqing Yang; Ehsanul Haque Nirjhar; Changbum Ryan Ahn; Theodora Chaspari (IEEECONF, 2022)

A Digital Twin City Model for Capturing Walkability Distress of Elderly Adults. - Theodora Chaspari; Jinwoo Kim; Chanam Lee; Youngjib Ham; SangHyun Lee; Changbum R. Ahn (DTPI, 2022)

Toward Sensor-Based Early Diagnosis of Cognitive Impairment using Poisson Process Models. - Manseerat Kaur Batra; Theodora Chaspari; Changbum R. Ahn (EMBC, 2022)

Constructing an Audio Dataset of Construction Equipment from Online Sources for Audio-Based Recognition. - Gilsu Jeong; Changbum R. Ahn; Moonseo Park (WSC, 2022)

Reinforcement Learning-Based Transportation and Sway Suppression Methods for Gantry Cranes in Simulated Environment. - Namkyoun Kim; Minhyuk Jung; Inseok Yoon; Moonseo Park; Changbum R. Ahn (WSC, 2022)

Future of Smart Construction and Infrastructure. - Yong Kwon Cho; Changbum Ryan Ahn (J. Comput. Civ. Eng., 2022)

Capturing Environmental Distress of Pedestrians Using Multimodal Data: The Interplay of Biosignals and Image-Based Data. - Jinwoo Kim; Ehsanul Haque Nirjhar; Jaeyoon Kim; Theodora Chaspari; Youngjib Ham; Jane Futrell Winslow; Chanam Lee; Changbum R. Ahn (J. Comput. Civ. Eng., 2022)

Supplementary Data for "CLOAR: CSI-based Long-term Occupant Activity Recognition". - Hoonyong Lee; Changbum Ryan Ahn; Nakjung Choi (IEEE DataPort, 2022)

Collective Sensing of Workers' Loss of Body Balance for Slip, Trip, and Fall Hazard Identification: Field Validation Study. - Hoonyong Lee; Gaang Lee; Seongeun Park; Sanghyun Lee; Jesse V. Jacobs; Changbum R. Ahn (J. Comput. Civ. Eng., 2023)

Assessing Daily Activity Routines Using an Unsupervised Approach in a Smart Home Environment. - Bogyeong Lee; Prakhar Mohan; Theodora Chaspari; Changbum Ryan Ahn (J. Comput. Civ. Eng., 2023)

Welding Spark Detection on Construction Sites Using Contour Detection with Automatic Parameter Tuning and Deep-Learning-Based Filters. - Xi Jin; Changbum Ryan Ahn; Jinwoo Kim; Moonseo Park (Sensors, 2023)

Potential AI-Driven Algorithmic Collusion and Influential Factors in Construction Bidding. - Chan Heo; Moonseo Park; Changbum R. Ahn (J. Comput. Civ. Eng., 2024)

Toward Single Occupant Activity Recognition for Long-Term Periods via Channel State Information. - Hoonyong Lee; Changbum Ryan Ahn; Nakjung Choi (IEEE Internet Things J., 2024)

LaserDex: Improvising Spatial Tasks Using Deictic Gestures and Laser Pointing for Human-Robot Collaboration in Construction. - Sungboo Yoon; Moonseo Park; Changbum R. Ahn (J. Comput. Civ. Eng., 2024)

Learning viewpoint control from human-initiated transitions for teleoperation in construction. - Sungboo Yoon; Moonseo Park; Changbum R. Ahn (Adv. Eng. Informatics, 2025)

HangCon: Benchmark Data Set for Enhanced Detection of Hanging Objects in Construction Sites. - Gilsu Jeong; Seongeun Park; Joonseok Lee; Moonseo Park; Changbum R. Ahn (J. Comput. Civ. Eng., 2025)