@ARTICLE{endres2005survey,
  AUTHOR  = {Christoph Endres and Andreas Butz and Asa MacWilliams},
  TITLE   = {A Survey of Software Infrastructures and Frameworks for Ubiquitous Computing},
  JOURNAL = {Mobile Information Systems Journal},
  YEAR    = {2005},
  VOLUME  = {1},
  NUMBER  = {1},
  MONTH   = {January--March}
}