@article{JMLR:v6:shani05a,
  author  = {Guy Shani and David Heckerman and Ronen I. Brafman},
  title   = {An MDP-Based Recommender System},
  journal = {Journal of Machine Learning Research},
  year    = {2005},
  volume  = {6},
  number  = {43},
  pages   = {1265--1295},
  url     = {http://jmlr.org/papers/v6/shani05a.html}
}