Billy M. Williams

Modeling and Forecasting Vehicular Traffic Flow as a Seasonal ARIMA Process: Theoretical Basis and Empirical Results

Billy M. Williams, L A Hoel · Journal of Transportation Engineering · 2003 · 2K citations

Transport Network Analysis, Traffic Theory, Engineering +17

Comparison of parametric and nonparametric models for traffic flow forecasting

Brian L. Smith, Billy M. Williams, Rudy Oswald · Transportation Research Part C Emerging Technologies · 2002 · 982 citations

Traffic Theory, Engineering, Traffic Flow Forecasting +9

Adaptive Kalman filter approach for stochastic short-term traffic flow rate prediction and uncertainty quantification

Jianhua Guo, Wei Huang, Billy M. Williams · Transportation Research Part C Emerging Technologies · 2014 · 617 citations

Traffic Theory, Engineering, Traffic Flow +8

Urban Freeway Traffic Flow Prediction: Application of Seasonal Autoregressive Integrated Moving Average and Exponential Smoothing Models

Billy M. Williams, Priya Durvasula, Donald E. Brown · Transportation Research Record Journal of the Transportation Research Board · 1998 · 502 citations

Traffic Theory, Engineering, Exponential Smoothing Models +13

Multivariate Vehicular Traffic Flow Prediction: Evaluation of ARIMAX Modeling

Billy M. Williams · Transportation Research Record Journal of the Transportation Research Board · 2001 · 440 citations

Traffic Theory, Arimax Models, Engineering +13