@inproceedings{DBLP:conf/dmdw/TsoisKST02,
  author    = {Aris Tsois and
               Nikos Karayannidis and
               Timos K. Sellis and
               Dimitri Theodoratos},
  title     = {Cost-based optimization of aggregation star queries on hierarchically
               clustered data warehouses},
  booktitle = {DMDW},
  year      = {2002},
  pages     = {62-71},
  ee        = {http://SunSITE.Informatik.RWTH-Aachen.de/Publications/CEUR-WS/Vol-58/tsois.pdf},
  crossref  = {DBLP:conf/dmdw/2002},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/dmdw/2002,
  editor    = {Laks V. S. Lakshmanan},
  title     = {Design and Management of Data Warehouses 2002, Proceedings
               of the 4th Intl. Workshop DMDW'2002, Toronto, Canada, May
               27, 2002},
  booktitle = {DMDW},
  publisher = {CEUR-WS.org},
  series    = {CEUR Workshop Proceedings},
  volume    = {58},
  year      = {2002},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}