@inproceedings{alzhrani2017automated, title={Automated US diplomatic cables security classification: Topic model pruning vs. classification based on clusters}, author={Alzhrani, Khudran and Rudd, Ethan M and Chow, C Edward and Boult, Terrance E}, booktitle={Technologies for Homeland Security (HST), 2017 IEEE International Symposium on}, pages={1--6}, year={2017}, organization={IEEE} }