@article{mennis2009spatial,
  title={Spatial data mining and geographic knowledge discovery—An introduction},
  author={Mennis, Jeremy and Guo, Diansheng},
  year={2009}
}

@article{guo2009flow,
  title={Flow mapping and multivariate visualization of large spatial interaction data},
  author={Guo, Diansheng},
  year={2009}
}

@inproceedings{jin2009understanding,
  title={Understanding climate change patterns with multivariate geovisualization},
  author={Jin, Hai and Guo, Diansheng},
  year={2009}
}

@inproceedings{guo2009greedy,
  title={Greedy optimization for contiguity-constrained hierarchical clustering},
  author={Guo, Diansheng},
  year={2009}
}