who we are
The Center for Systems Science and Engineering (CSSE) is a research collective housed within the Department of Civil and Systems Engineering (CaSE) at Johns Hopkins University (JHU). Our faculty, researchers, and students work on a range of complex and interdisciplinary problems, united by the goal to better understand and improve societal, health, and technological systems for everyone.
Latest News
- Tracking COVID-19
- An Open-Source Dataset on Dietary Behaviors and DASH Eating Plan Optimization Constraints
- How Mobility Patterns Drive Disease Spread: A Case Study Using Public Transit Passenger Card Travel Data
- Travel Surveillance and Genomics Uncover a Hidden Zika Outbreak during the Waning Epidemic
- Discovering the Hidden Community Structure of Public Transportation Networks
- A dynamic neural network model for predicting risk of Zika in real time
- G Measles resurgence in the USA: how international travel compounds vaccine resistance
- Climate Change, Superstorms, and Civil Engineering
- G A decision-support framework to optimize border control for global outbreak mitigation
- G A dynamic neural network model for real-time prediction of the Zika epidemic in the Americas
- S Modeling Coordination between Renewables and Grid: Policies to Mitigate Distribution Grid Constraints Using Residential PV-Battery Systems
- S The future of natural gas infrastructure development in the United states
- North American Natural Gas Model (NANGAM)
- Understanding the Interactions of Food, Energy, Water Systems
- G Modeling the relative role of human mobility, land-use and climate factors on dengue outbreak emergence in Sri Lanka
- Tak Applications of systems modelling in obesity research
- G Estimation of sparse O–D matrix accounting for demand volatility
- The Future of Natural Gas Infrastructure in the US
- S Shocks, seasonality, and disaggregation: Modelling food security through the integration of agricultural, transportation, and economic systems
- S Sensitivity and covariance in stochastic complementarity problems with an application to the North American natural gas markets
- Data Mining for Global Bicycling Trends
- Patient Flow and Scheduling in Hospitals
- G Policy implications of incorporating distance constrained electric vehicles into the traffic network design problem
- A Human-Centric Engineering Discipline
- K Robust inverse optimization
- The Food Distributed Extendable Complementarity Model (Food-DECO)
- S An exact solution method for binary equilibrium problems with compensation and the power market uplift problem
- G A Strategic User Equilibrium for Independently Distributed Origin-Destination Demands
- G Two Methods to Calibrate the Total Travel Demand and Variability for a Regional Traffic Network
- S Spatial associations in global household bicycle ownership
- The North American Crude Oil Model: A Framework for Multimodal Transport
- S Multimodal Transportation Flows in Energy Networks with an Application to Crude Oil Markets
- G Inferring the risk factors behind the geographical spread nd transmission of Zika in the Americas
- Tak A predictive model of rats’ calorie intake as a function of diet energy density
- G International travelers and genomics uncover a ‘hidden’ Zika outbreak
- G Discovering the hidden community structure of public transportation networks
- G Identifying Critical Components of a Public Transit System for Outbreak Control
- S Evaluating Nurse Staffing Levels in Perianesthesia Care Units Using Discrete Event Simulation
- Tak Evolution of vulnerability of communities facing repeated hazards
- Tak Improving health systems performance in low- and middle-income countries: a system dynamics model of the pay-for-performance initiative in Afghanistan
- Tak Examining the structure and behavior of Afghanistan’s routine childhood immunization system using system dynamics modeling
- G A generalized framework for the estimation of edge infection probabilities
- S Evaluating the role of electricity storage by considering short-term operation in long-term planning
- Tak Taking dietary habits into account: A computational method for modeling food choices that goes beyond price
- G Translating Real-Time Infectious Disease Modeling into Routine Public Health Practice
- S Analysis of the global wood‐chip trade’s response to renewable energy policies using a spatial price equilibrium model
- G Inuenza A H5N1 and H7N9 in China: A spatial risk analysis
- G Vector status of Aedes species determines geographical risk of autochthonous Zika virus establishment
- A step towards sustainable bioenergy policies
- S Modeling market power in the U.S. shale gas market
- G Multiscale Network Model for Evaluating Global Outbreak Control Strategies
- Patterns in Bicycle Ownership Among Neighboring Countries.
- S Evaluating the Role of Electricity Storage by Considering Short-Term Operation in Long-Term Planning
- G Zika virus in Pakistan: the tip of the iceberg?
- S North American Natural Gas Model: Impact of cross-border trade with Mexico
- Tak Simulated Models Suggest That Price per Calorie Is the Dominant Price Metric That Low-Income Individuals Use for Food Decision Making
- G Zika: the cost of neglect
- G Risk of global spread of Middle East respiratory syndrome coronavirus (MERS-CoV) via the air transport network
- G Quantified degree of poultry exposure differs for human cases of avian influenza H5N1 and H7N9
- S Dynamic Climate Policy with Both Strategic and Non-strategic Agents: Taxes Versus Quantities
- S Auction-based allocation of shared electricity storage resources through physical storage rights
- S Price-based unit commitment electricity storage arbitrage with piecewise linear price-effects
- G Organ-to-Cell-Scale Health Assessment Using Geographical Information System Approaches with Multibeam Scanning Electron Microscopy
- G Finding Outbreak Trees in Networks with Limited Information
- S Determining energy and climate market policy using multiobjective programs with equilibrium constraints
- The Science of Scarcity
- Clinical Trials as Both Science and Art
- S Mitigating environmental and public-safety risks of United States Crude-by-Rail Transport
- O Network modeling and optimization for energy and sustainable transit
- S Price-based unit commitment electricity storage arbitrage with piecewise linear price-effects
- The golden age of implementation
- S Auction-based allocation of shared electricity storage resources through physical storage rights
- Tak Modeling the Impact of School-Based Universal Depression Screening on Additional Service Capacity Needs: A System Dynamics Approach
- S An exact solution method for binary equilibrium problems with compensation and the power market uplift problem
- S Encyclopedia of Operations Research & Management Science 3rd Edition
- Addressing gaps and impediments of the clinical trials system
- G Global risk of Zika virus depends critically on vector status of Aedes albopictus
- G Bilevel Optimization Model for the Development of Real-Time Strategies to Minimize Epidemic Spreading Risk in Air Traffic Networks
- G Highly Pathogenic Avian Influenza Virus, Midwestern United States
- G New Horizontal Equity Measure for Ramp Meters
- G Spatial Aggregation Method for Anonymous Surveys
- S Tracking global bicycle ownership patterns
- K Interactive visual guidance for automated stereotactic radiosurgery treatment planning
- S Fuel price impacts and compliance costs associated with the Renewable Fuel Standard (RFS)
- Tak Agent-Based Simulation of Building Evacuation after an Earthquake: Coupling Human Behavior with Structural Response
- G A Learning Model for Traffic Assignment: Incorporating Bayesian Inference within the Strategic User Equilibrium Model
- Towards a bicycle-friendly transit future
- Seeking solutions to issues in clinical trials
- S Cardiac Catheterization Lab Inpatient Forecast Tool: A Prospective Evaluation
- S Efficient automated schematic map drawing using multiobjective mixed-integer programming
- Who will solve all our problems?
- S Real-time prediction of inpatient length of stay for discharge prioritization
- Ethical implications of clinical trials: a global perspective
- K Skeletonization
- S A mixed complementarity model for the US biofuel market with federal policy interventions
- Stakeholder input a necessity for successful model design and development
- Tak Incorporating Systems Science Principles into the Development of Obesity Prevention Interventions: Principles, Benefits, and Challenges
- S The question of Sudan: A hydroeconomic optimization model for the Sudanese Nile
- North America’s crude-by-rail problem
- S Solving mixed-integer robust optimization problems with interval uncertainty using Benders decomposition
- G The Global Maritime Container Network: An Application of Conventional Transportation Modelling Techniques
- G Incorporating departure time choice into high-occupancy/toll (HOT) algorithm evaluation
- G A Maximum Likelihood Estimation of Trip Tables for the Strategic User Equilibrium Model
- S Value of Improved Information about Forest Protection Values, with Application to Rainforest Valuation
- S Ranking Vaccines: Applications of a Prioritization Software Tool: Phase III: Use Case Studies and Data Framework
- Tak Examining social norm impacts on obesity and eating behaviors among US school children based on agent-based mode
- Modeling clinical trials
- Drugs: price, cost and willingness to pay
- S Long-run carbon emission implications of energy-intensive infrastructure investments with a retrofit option
- G A Systematic Review of the Comparative Epidemiology of Avian and Human Influenza A H5N1 and H7N9 – Lessons and Unanswered Questions
- G Inferring Contagion Patterns in Social Contact Networks Using a Maximum Likelihood Approach
- S Dynamic Climate Policy with both Strategic and Non-strategic Agents: Taxes versus Quantities
- K Automated treatment planning for a dedicated multi-source intra-cranial radiosurgery treatment unit accounting for overlapping structures and dose homogeneity
- S Solving Discretely-Constrained Nash-Cournot Games with an Application to Power Markets
- G Inferring Contagion Patterns in Social Contact Networks with Limited Infection Data
- S An SOS1-based approach for solving MPECs with a natural gas market application
- S Solving Discretely Constrained Mixed Linear Complementarity Problems with Applications in Energy
- S On improving normal boundary intersection method for generation of Pareto frontier
- G A Predictive Spatial Model to Quantify the Risk of Air-Travel-Associated Dengue Importation into the United States and Europe
- S Cartelization in gas markets: Studying the potential for a ‘Gas OPEC
- S A modified Benders decomposition method for efficient robust optimization under interval uncertainty
- S Anthropocene streams and base-level controls from historic dams in the unglaciated mid-Atlantic region, USA
- S Infrastructure Investments under Uncertainty with the Possibility of Retrofit: Theory and Simulations
- Solving Two-Level S Optimization Problems with Applications to Robust Design and Energy Markets
Events and announcements
Associate Professor Lauren Gardner Joins Project To Build New Tools To Model Pandemic Spread
Associate Professor Lauren Gardner Receives Funding from the National Science Foundation to Further COVID-19 Tracking Efforts
Areas of focus
Explore Our Research
RT @biblauer: A big chapter in our work will close @JohnsHopkins #crc next moth. To say it’s been some of the most important work of my car…
Read MoreRT @energeticod: Time to say goodbye! Our @JohnsHopkins #COVID19 Dashboard will stop updating on March 10. Over the past three years, nearl…
Read More
RT @JohnsHopkins: After a three year commitment to providing the public with the most up-to-date research and analysis of the pandemic, the…
Read MoreThoughts from @KimiaGhobadi and @FarzinAhmadi5 on Monkeypox in an article in ORMS. Check this out: Monkeypox: Another Public Health Crisis.
Read MoreTwo papers from JHU CSSE researchers, @kristennixon07, @KimiaGhobadi, @TexasDownUnder, etc., are highlighted by @LancetDigitalH "Translating data in a pandemic."
Read MoreRT @JohnsHopkins: "We were just working around the clock for that year," said Lauren Gardner, whose team created the COVID-19 dashboard tha…
Read MoreQnAs with Lauren M. Gardner: Winner of the 2022 @LaskerFDN-Bloomberg Public Service Award | Proceedings of the National Academy of Sciences
Read MoreRT @HopkinsEngineer: "When my PhD student, Ensheng Dong, and I started the dashboard in January 2020, of course we didn’t know the scale Co…
Read MoreRT @LaskerFDN: Congratulations Lauren Gardner, 2022 #LaskerAward winner! — “for creating the #COVID19 Dashboard, which set a new standard f…
Read More
