@article{SSK07,
 author = {Sips, Mike and Schneidewind, Jörn and Keim, Daniel A.},
 journal = {International Journal of Geographical Information Science (IJGIS)},
 number = {8},
 organization = {Taylor & Francis},
 pages = {879--894},
 publisher = {Taylor & Francis},
 title = {Highlighting Space-Time Pattern: Effective Visual Encodings for Interactive Decision Making},
 volume = {21},
 year = {2007}
}