https://www.sciencedirect.com/science/article/pii/S0925231205003292 (Publisher version)
Vishwanathan, S., Borgwardt, K., Guttman, O., & Smola, A. (2006). Kernel extrapolation. Neurocomputing, 69(7-9), 721-729. doi:10.1016/j.neucom.2005.12.113.