@article{PKZM12,
  author        = {Selwyn Piramuthu and Gaurav Kapoor and Wei Zhou and Sjouke Mauw},
  title         = {Input Online Review Data and Related Bias in Recommender Systems},
  journal       = {Decision Support Systems},
  volume        = {53},
  number        = {3},
  pages         = {418--424},
  year          = {2012},
  publisher     = {Elsevier},
  ulkey         = {Piramuthu:9920}
}