@Journal{DBLP:journals/cga/KeimPSN04,
   title = {Visual Data Mining in Large Geospatial Point Sets},
   author = {Daniel A. Keim and Christian Panse and Mike Sips and Stephen C. North},
   year = 2004,
   Journal = {IEEE Computer Graphics and Applications},
   Volume = 24,
   Number = 5,
   Pages = {36-44},
   att_url = {http://www2.research.att.com/areas/visualization/papers_videos/pdf/DBLP-journals-cga-KeimPSN04.pdf}
}