@proceedings {321,
	title = {Maritime data integration and analysis: recent progress and research challenges},
	journal = {20th International Conference on Extending Database Technology (EDBT 2017)},
	volume = {Open Proceedings},
	year = {2017},
	url = {https://openproceedings.org/2017/conf/edbt/proceedings.pdf},
	author = {Christophe Claramunt and et al}
}
