A popularity-based prediction model for Web prefetching  

Xin Chen and Xiaodong Zhang

IEEE Computer, Vol. 36, No. 3, March, 2003, pp. 63-70. 


The popularity-based PPM model uses grades to rank URL access patterns and builds 
these patterns into a predictor tree to aid prefetching. In a trace-based simulation, 
the model was more accurate and used less space than other prediction models.