@inproceedings{sun2016migrating,
  title={Migrating GIS big data computing from Hadoop to Spark: an exemplary study Using Twitter},
  author={Sun, Zhibo and Zhang, Hong and Liu, Zixia and Xu, Chen and Wang, Liqiang},
  booktitle={Cloud Computing (CLOUD), 2016 IEEE 9th International Conference on},
  year={2016},
  organization={IEEE}
}