@article{WenzelEndresMandletal.2012,
  author    = {Florian Wenzel and Markus Endres and Stefan Mandl and Werner Kießling},
  title     = {Complex preference queries supporting spatial applications for user groups},
  journal   = {Proceedings of the VLDB Endowment},
  volume    = {5},
  number    = {12},
  pages     = {1946 -- 1949},
  doi       = {10.14778/2367502.2367544},
  year      = {2012},
}