@inproceedings{DBLP:conf/btw/CarvalhoAACCC07,
  author    = {Pedro Carvalho and
               Maria Teresa Andrade and
               Claudio Alberti and
               H{\'e}lder Castro and
               Catalin Calistru and
               Philippe de Cuetos},
  title     = {A unified data model and system support for the context-aware
               access to multimedia content},
  booktitle = {BTW Workshops},
  year      = {2007},
  pages     = {139-159},
  crossref  = {DBLP:conf/btw/2007w},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/btw/2007w,
  editor    = {Matthias Jarke and
               Thomas Seidl and
               Christoph Quix and
               David Kensche and
               Stefan Conrad and
               Erhard Rahm and
               Ralf Klamma and
               Harald Kosch and
               Michael Granitzer and
               Sven Apel and
               Marko Rosenm{\"u}ller and
               Gunter Saake and
               Olaf Spinczyk},
  title     = {Datenbanksysteme in Business, Technologie und Web (BTW 2007),
               Workshop Proceedings, 5.-6. M{\"a}rz 2007, Aachen, Germany},
  booktitle = {BTW Workshops},
  publisher = {Verlagshaus Mainz, Aachen},
  year      = {2007},
  isbn      = {3-86130-929-7},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}