Refereed Articles 

• Shahi, A., Safa, M., McCabe, B., Safa, M., Hwang, S., 6th Author - Steven McCrary, Lamar Univ., United States of America (2015).  Creating a memorable lecture and facilitating comprehension.   Southwestern Business Administration Journal.
• Hwang, S. (2011).  Ultra-wide Band Technology Experiments for Real-Time Prevention of Tower Crane Collisions.   Automation in Construction, 22, 545-553.
• Hwang, S. (2010).  Time Series Models for Forecasting Construction Costs Using Time Series Indexes.   Journal of Construction Engineering and Management, 137 (9), 656-662.
•  Hwang, s., & Liu, L. (2010).  Contemporaneous Time Series and Forecasting Methodologies for Predicting Short-Term Productivity.  Journal of Construction Engineering and Management, 136 (9), 1047-1055.
•  Hwang, S. (2010).  Cross-Validation of Short-Term Productivity Forecasting Methodologies.   Journal of Construction Engineering and Management, 136 (9), 1037-1046.
• Hwang, s. (2009).  Dynamic Regression Models for Prediction of Construction Cost.   Journal of Construction Engineering and Management, 135 (5), 360-367.
•  Hwang, s., Kim, J., Son, J., & Son, C. (1997).  Optimal Management of Precast Concrete Panels in Apartment Construction.  Journal of Architectural Institute of Korea, 13 (4), 417-428.Teaching and Learning Scholarship

Refereed Proceedings 

• Alam, M., Tokgoz, B., Zhu, Z., Zhang, J., & Hwang, S. (2019).  Resilience Enhancements of Power Distribution Lines Using Computer Vision Technology.   Industrial and Systems Engineering Research Conference.
• Zhu, Z., Alam, M., Tokgoz, B., Hwang, S., & Zhang, J. (2019).  Monitoring Utility Pole Health Conditions Using UAV and Deep Learning.   Industrial and Systems Engineering Research Conference.
• Alam, M., Tokgoz, B., Safa, M., & Hwang, S. (2018).  Evaluation of Effects of Wind Speed on Resilience of Electric Poles.   The Annual Industrial and Systems Engineering Research Conference (ISERC).
• Safa, M., Hwang, S., & Tokgoz, B. (2017).  Improving Disaster Resilience of Power Distribution Network Using Photogrammetry Technology.   2017 CSCE Annual Conference.
• Tokgoz, B., Safa, M., & Hwang, S. (2017).  Resilience Assessment of Power Distribution Systems.   19th Conference on Critical Infrastructure Systems Engineering.
• Tokgoz, B., Hwang, S., & Safa, M. (2017).  An Innovative Approach to Increasing Power Distribution Network Resilience.   2017 International Conference on Maintenance and Rehabilitation of Constructed Infrastructure Facilities.
• Hwang, S., & Safa, M. (2017).  Learning Advanced Decision-Making Techniques and Technologies through a Collaborative Project.   ASCE International Workshop on Computing in Civil Engineering.
• Shahi, A., Safa, M., McCabe, B., Safa, M., & Hwang, S. (2015).  Creating a memorable lecture.   23rd ANNUAL SOUTHWESTERN BUSINESS ADMINISTRATION TEACHING CONFERENCE.
• Hwang, S., & Safa, M. (in press, 2017).  Learning Advanced Decision-Making Techniques and Technologies through a Collaborative Project.   ASCE International Workshop on Computing in Civil Engineering.
• Hwang, S., & Safa, M. (2016).  Collaborative Learning via Vertical Integration of Multiple Classes.   Construction Research Congress (CRC).
• Safa, M., Shahi, A., Karimidorabati, S., Hwang, S., & McCrary, S. (2016).  Discrete-Event Simulation for Optimizing and Planning of an Intersection.   2016 ASC International Conference.
• Hwang, S. & Safa, M. (in press, 2015).  Collaborative Learning via Vertical Integration of Multiple Classes.   Construction Research Congress (CRC).
• Hwang, S. (2015).  An Analytical Approach to Evaluating Effectiveness of Lift Configuration.   the ASCE International Workshop on Computing in Civil Engineering.
• Shahi, A., Safa, M., McCabe, B., Safa, M., & Hwang, S. (2015).  Creating a memorable lecture.   23rd ANNUAL SOUTHWESTERN BUSINESS ADMINISTRATION TEACHING CONFERENCE.
• Hwang, S. (2014).  Organizational Issues Impacting Tacit Knowledge Sharing in the Construction Organizations.   2014 Construction Research Congress.
• Hwang, S. (2013).  Probabilistic Measurement of Risk Associated with Initial Cost Estimates.   5th International Conference on Construction Engineering and Project Management.
• Hwang, S. & Liu, L. (2011).  Radio Frequency Technology Incorporated Approaches to Equipment Collisions on Jobsites.   28th Int. Symposium on Automation and Robotics in Construction, United States: .
• Hwang, S. (2011).  Anatomy of Construction Equipment Move and Algorithms for Collision Detection.   28th Int. Symposium on Automation and Robotics in Construction.
• Hwang, S., & Liu, L. (2010).  BIM for Integration of Automated Real-Time Project Control Systems.   2010 Construction Research Congress, United States:.
• McCrary, S., & Hwang, S. (2010).  Toward an Understanding of Sustainability in the Construction Industry Using Diffusion of Innovation Theory.   Associated Schools of Construction's International Proceedings of the 46th Annual Conference.
•  Hwang, S., & McCrary, S. (2010).  Project-Based Service-Learning in an Undergraduate Course: Challenges, Lessons, and Recommendations.   Associated Schools of Construction's International Proceedings of the 46th Annual Conference., United States:
• Hwang, S. (2009).  Planning Temporary Elevators for Building Construction.   2009 Construction Research Congress, United States:
• Hwang, S. (2009).  Dynamic Modeling Impact of Lane Closure on Traffic.   26th Int. Symposium on Automation and Robotics in Construction (ISARC), United States:.
• Hwang, S., & Liu, L. (2007).  Modeling Excavation Process Using Dynamic Modeling Approach.   the ASCE International Workshop on Computing in Civil Engineering.
• Hwang, S., & Liu, L. (2005).  Proactive Project Control Using Productivity Data and Time Series Analysis.   the ASCE International Conference on Computing in Civil Engineering, United States:.
• Hwang, S., Trupp, T., & Liu, L. (2003).  Needs and Trends of IT-based Construction Field Data Collection.   the 4th Joint Int. Symposium on Information Technology in Civil Engineering, United States:.
• Hwang, S., & Kim, J. (1996).  Optimal Coordination between Production, Transportation, and Installation Activities of Precast Concrete Panels.   1996 Spring Conference of Architectural Institute of Korea.

Book 

• Hwang, S. (2011).  Proactive Planning and Control of Construction Projects LAP LAMBERT Academic Publishing.  

Presentation of Refereed Papers 

• ShinRavishankar, P., Zhang, X., Hwang, S., Zhang, J., & Tokgoz, B. (2020). Detecting Defects of Railway Tracks by Using Computer Vision Methodology.  " 8th Annual Texas STEM Conference, Beaumont, Texas.
• Ni, J., Zhao, R., Zhang, J., Tokgoz, B., & Hwang, S. (2019). Using Unmanned Aerial Vehicle with Deep Learning Neural Network to Monitor the Health Conditions of Utility Poles.  Lamar CICE Innovation Showcase, Beaumont, Texas.
• Alam, M., Tokgoz, B., Zhu, Z., Zhang, J., & Hwang, S. (2019). Resilience Enhancements of Power Distribution Lines Using Computer Vision Technology.  Industrial and Systems Engineering Research Conference, Orlando, Florida.
• Zhu, Z., Alam, M., Tokgoz, B., Hwang, S., & Zhang, J. P.B. (2019). Monitoring Utility Pole Health Conditions Using UAV and Deep Learning.  Industrial and Systems Engineering Research Conference, Orlando, Florida.
• Abid, A., Tokgoz, B., Hwang, S., & Zhang, J. (2019). Evaluation of Condition of Utility Poles of Electric Power Distribution Networks for Natural Disasters.  7th Annual Texas STEM Conference, Beaumont, Texas.
• Alam, M., Tokgoz, B., Safa, M., & Hwang, S. (2018). Evaluation of Effects of Wind Speed on Resilience of Electric Poles.  The Annual Industrial and Systems Engineering Research Conference, Orlando, Florida.
• Hwang, S. & Safa, M. (2017). Learning Advanced Decision-Making Techniques and Technologies through a Collaborative Project.  ASCE International Workshop on Computing in Civil Engineering, Seattle, Texas.
• Safa, M., Hwang, S., & Tokgoz, B. (2017). Improving Disaster Resilience of Power Distribution Network Using Photogrammetry Technology.  2017 ASC International Conference, Vancouver, Canada.
• Tokgoz, B., Safa, M., & Hwang, S. (2017). Resilience Assessment of Power Distribution Systems.  19th Conference on Critical Infrastructure Systems Engineering, San Francisco, California.
• Tokgoz, B., Hwang, S., & Safa, M. (2017). An Innovative Approach to Increasing Power Distribution Network Resilience.  2017 International Conference on Maintenance and Rehabilitation of Constructed Infrastructure Facilities, Seoul, Republic of Korea.
• Hwang, S. & Safa, M. (2016). Collaborative Learning via Vertical Integration of Multiple Classes.  Construction Research Congress (CRC), San Juan Puerto Rico, United States of America.
• Safa, M., shahi, A., Karimidorabati, S., Hwang, S., & McCrary, S. (2016).Discrete-Event Simulation for Optimization and Planning of an Intersection.  2016 ASC International Conference, Provo, Utah.
• Hwang, S. (2015). An Analytical Approach to Evaluating Effectiveness of Lift Configuration.   the ASCE International Workshop on Computing in Civil Engineering, Austin, Texas.
• Hwang, S. (2013). Probabilistic Measurement of Risk Associated with Initial Cost Estimates.   5th International Conference on Construction Engineering and Project Management, Garden Grove, California.
• Hwang, S. & Liu, L. (2011). Radio Frequency Technology Incorporated Approaches to Equipment Collisions on Jobsites.   28th Int. Symposium on Automation and Robotics in Construction, Seoul, Korea.
• Hwang, S. (2011). Anatomy of Construction Equipment Move and Algorithms for Collision Detection.   28th Int. Symposium on Automation and Robotics in Construction, Seoul, Korea.
• Hwang, S. & McCrary, S. (2010). Project-Based Service-Learning in an Undergraduate Course: Challenges, Lessons, and Recommendations. Associated Schools of Construction's International Proceedings of the 46th Annual Conference., Boston, Texas
• Hwang, S. & Liu, L. (2010). BIM for Integration of Automated Real-Time Project Control Systems.  2010 Construction Research Congress, Banff, Canada-Alberta.
• Hwang, S. (2009). Planning Temporary Elevators for Building Construction. 2009 Construction Research Congress, Seattle, Texas.
• Hwang, S. (2009). Dynamic Modeling Impact of Lane Closure on Traffic.  26th Int. Symposium on Automation and Robotics in Construction (ISARC), Austin, Texas.
• Hwang, S. & Liu, L. (2007). Modeling Excavation Process Using Dynamic Modeling Approach.  the ASCE International Workshop on Computing in Civil Engineering, Pittsburgh, Texas.
• Hwang, S. & Liu, L. (2005). Proactive Project Control Using Productivity Data and Time Series Analysis.  the ASCE International Conference on Computing in Civil Engineering, Cancun, Texas.
• Hwang, S., Trupp, T., & Liu, L. (2003). Needs and Trends of IT-based Construction Field Data Collection.  the 4th Joint Int. Symposium on Information Technology in Civil Engineering, Nashville, Texas.
• Hwang, S. & Kim, J. (1996). Optimal Coordination between Production, Transportation, and Installation Activities of Precast Concrete Panels. 1996 Spring Conference of Architectural Institute of Korea, Seoul, Texas.

Presentations of Non-Refereef Papers

•  Alam, M., Tokgoz, B., & Hwang, S. (2018). Optimal Resource Allocation to Enhance Utility Pole Resilience to Natural Disasters. Invited presentation at The 6th annual STEM Conference at Lamar University, Beaumont, Texas.
• Hwang, S. (2018). TEXO Projects of Construction Management at Lamar University. Invited presentation at TEXO Building Knowledge Conference, Dallas, Texas.

Patents/Inventions

• 2016 - A multifaceted stock-demand matching (msDM) algorithm and a software program for minimizing solid lumber waste. Submitted 'Invention Disclosure Form' to Lamar University. In review.

Research Reports

• 2020: Hwang, S., Zhang, J., & Tokgoz, B., An Automatic System for Monitoring and Assessing the Health of Railroad Tracks Using Artificial Intelligence Technologies., submitted to Center for Advances in Port Management.
• 2013: Hwang, S., Investigating Tacit Knowledge Sharing Process at Regional Construction Companies via System Dynamics Approach., submitted to Lamar University.
• 2011: Hwang, S., Automatic Monitoring of Equipment Moves for Safety on Construction Sites: A Pilot Study with Tower Cranes., submitted to Lamar University.

Grants 

Not Funded

• 2020: Hwang, S., Luo, Z., Zhang, J., & Tokgoz, B., DARTS – Drone and Artificial Intelligence Reconsolidated Technological Solution for Increasing the Oil and Gas Pipeline Resilience, Principal Investigator, Center for Midstream Management and Science.
• 2020: Luo, Z., Kim, M., & Hwang, S., Synthesis: Rip-Rap for Scour Countermeasures, Co-Principal Investigator, Texas Department of Transportation.
• 2020: Kim, M., Tokgoz, B., & Hwang, S., Establishing TxDOT Transportation Resilience Planning Scorecard and Best Practices, Co-Principal Investigator, Texas Department of Transportation.
• 2020: Kim, M., Tokgoz, B., & Hwang, S., Measuring Transportation Infrastructure Resilience for the Midstream Industry in Southeast Texas: Impacts of Hurricane Harvey and Tropical Depression Imelda, Co-Principal Investigator, Center for Midstream Management and Science.
• 2018: Tokgoz, B., Hwang, S., & Zhang, J., Resilience Enhancements of Electric Power Distribution Lines Using Computer Vision Technology and Public Calls, Co-Principal Investigator.  Submitted a letter of intent as a co-PI to The National Academies of Sciences, Engineering, Medicine Gulf Research Program Thriving Communities Grant 5.
• 2018: Tokgoz, B., Hwang, S., & Zhang, J., Computer Vision-based Method for Monitoring and Assessing the Health of Railroad Tracks" (Submitted two times, not funded), Co-Principal Investigator.  Center for Advances in Port Management, Lamar University; Amount $34,979; Duration 6/1/2018 – 8/31/2019.
• 2015: Safa, M. & Hwang, S., A 3D Visualization Technology-based Model for Automated Inspection of Power Distribution Facilities, Co-Principal Investigator.  Submitted to ELECTRI INTERNATIONAL.
• 2014: Hwang, S. Multi-dimensional assessment of capacity and competitiveness of the electrical specialty contractor in integrated project delivery system, Principal Investigator, ELECTRI International.
• 2014: Hwang, S. Reforming organizational culture toward knowledge sharing to enhance training entry level employees, Principal Investigator, ELECTRI International.
• 2013: Hwang, S. Dynamic Planning and Control of Material Purchase and Inventory in Electrical Construction, Principal Investigator. Full proposal; 1 year; $7,000; ELECTRI International.
• 2013: Hwang, S. Quantification of the Impact of Balance Work on Electrical Contractor's Performance, Principal Investigator. Research Proposal Summary; 18 months; $45,000; Funding Agency: ELECTRI International .

Funded

• 2021: Hwang, S., Zhang, J., Tokgoz, B., & Luo, Z., Increasing Resiliency and Safety of Waterways and Ports: A Novel Approach Based on Drone and Artificial Intelligence, Principal Investigator, Center for Advances in Port Management. Feb 2021–Aug 2021.
• 2020: Hwang, S., Zhang, J., & Tokgoz, B., An automatic system for monitoring and assessing the health of railroad tracks using artificial intelligence technologies, Principal Investigator, Center for Advances in Port Management.
• 2020: Hwang, S., Zhang, J., & Tokgoz, B., Drone and Artificial Intelligence Integrated Technological Solution for Increasing the Resilience of Oil and Gas Pipelines, Principal Investigator, Center for Midstream Management and Science.
• 2019: Zhang, J., Tokgoz, B., & Hwang, S., Monitoring the Health Conditions of Utility Poles and Vegetation Clearance Using Unmanned Aerial Vehicle and Deep Learning Neural Network, Co-Principal Investigator, Center for Innovation, Commercialization and Entrepreneurship.
• 2018: Shahandashti, M., Mattingly, S., & Hwang, S., Synthesis of Safety Application in Winter Weather Operations, Co-Principal Investigator, TxDOT.  In collaboration with researchers at UT Arlington; Total Budget = $49,998.
• 2016: Safa, M., Hwang, S., & Tokgoz, B., An Innovative Approach to Increasing Power Distribution Network Resilience under Pre- and Post-disaster Situation, Co-Principal Investigator. Sponsor: Lamar University ($15,000) .
• 2015 [Year 1 of 3]: Hwang, S., Safa, M., & Flosi, A., Lamar university Sustainability Initiative: Impacting Lamar University, Southeast Texas, and Beyond, Principal Investigator. Submitted a letter of intent to Lamar University (President).
• 2015 [Year 1 of 2]: Hwang, S., Safa, M., & Eren, B., An Innovative Approach to Increasing Power Distribution Network Resilience under Pre- and Post-disaster, Principal Investigator.  Submitted a letter of intent to Lamar University (President Office).
• 2012: Hwang, S. Investigating Tacit Knowledge Sharing Process at Regional Construction Companies via System Dynamics Approach, Principal Investigator.
• 2009: Hwang, S. Automatic monitoring of equipment moving path for improving safety on construction sites, Principal Investigator.  
• 2009: Hwang, S. Automatic tracking of construction objects and operations for construction process analysis and control, Principal Investigator.

Teaching

• 2019: Hwang, S., Kim, M., & Luo, Z., SMART Construction Lab, Principal Investigator, TEXO.  2020 TEXO Foundation Grant. Pending (In Review as of March 11, 2020).
• 2019: Hwang, S. Building a Stronger Curriculum with Kiewit (BSCK) (Competition-based invitation only workshp), Principal Investigator, Kiewit. July 22 - 23, 2019. Funded (The awarded amount is based on the actual expense.)
• 2018: Hwang, S. 2018 TEXO Grant - Construction Falsework Lab, Principal Investigator. The decision was made in Jan 2018. Total Amount Awarded: $2,500. Internal Matching from the College of Business $2,500
• 2016: Hwang, S., Safa, M., & McCrary, S., 2016 TEXO Grant - Multi-Purpose Steel Construction Modules, Principal Investigator. Sponsor: TEXO ($3,000), Internal matching fund from the College of Business = $3,000.

Other Research

• 2019: Hwang, S., Center for Midstream Management and Science - Site Visit/Seminar: Visited Energy Transfer/Sunoco for Midstream Research Development (Oct 14, 2029, Nederland, TX).
• 2019: Hwang, S., Attended multiple CMms events for developing collaboration and interaction with the midstream industry.
• 2017: Alam, M., Safa, M., Hwang, S., & Tokgoz, B., Resilience Metric Determination for the Electric Distribution Poles.   Poster Presentation; Texas Hurricane Conference, University of Houston, Houston, TX, August 2017

Pending

• 2015 [Year 1 of 3]: Hwang, S., Safa, M., & Flosi, A., Lamar university Sustainability Initiative: Impacting Lamar University, Southeast Texas, and Beyond, Principal Investigator. Submitted a letter of intent to Lamar University (President).
• 2015 [Year 1 of 2]: Hwang, S., Safa, M., & Eren, B., An Innovative Approach to Increasing Power Distribution Network Resilience under Pre- and Post-disaster, Principal Investigator.  Submitted a letter of intent to Lamar University (President Office).

Research Reports 

• 2020: Hwang, S., Zhang, J., & Tokgoz, B., An Automatic System for Monitoring and Assessing the Health of Railroad Tracks Using Artificial Intelligence Technologies., submitted to Center for Advances in Port Management.
• 2013: Hwang, S., Investigating Tacit Knowledge Sharing Process at Regional Construction Companies via System Dynamics Approach., submitted to Lamar University.
• 2011: Hwang, S., Automatic Monitoring of Equipment Moves for Safety on Construction Sites: A Pilot Study with Tower Cranes., submitted to Lamar University.