1 23 Neural Computing and Applications ISSN 0941-0643 Volume 28 Number 11 Neural Comput & Applic (2017) 28:3229-3238 DOI 10.1007/s00521-016-2231-x Support vector machine and artificial neural network to model soil pollution: a case study in Semnan Province, Iran Mohamad Sakizadeh, Rouhollah Mirzaei & Hadi Ghorbani