@book{AH:11,
  address = {Athens, Greece},
  editor = {Atzmueller, Martin and Hotho, Andreas},
  interhash = {8215abfd0550872bdd023c532f21e257},
  intrahash = {87b0576f542aa6de352a2bff1428ce6b},
  publisher = {ECML/PKDD 2011},
  title = {{Proceedings of the 2011 International Workshop on Mining Ubiquitous and Social Environments (MUSE 2011)}},
  year = 2011
}

@book{AH:10,
  address = {Barcelona, Spain},
  editor = {Atzmueller, Martin and Hotho, Andreas},
  interhash = {7260d64afa0eadf785be450646aec5c4},
  intrahash = {684691da3230424a4b6aef804cd27579},
  publisher = {ECML/PKDD 2010},
  title = {{Proceedings of the 2010 Workshop on Mining Ubiquitous and Social Environments (MUSE 2010)}},
  year = 2010
}