@inproceedings{Paper44,
	author = {Hailong Hou and Yan Chen and Raheem Beyah and Yanqing Zhang},
	title = {Filtering Spam by Using Factors Hyperbolic Trees.},
	booktitle = { In the Proceedings of the IEEE Global Communications Conference},
	series = {GLOBECOM},
	type = {NS},
	address = {New Orleans, Louisiana},
	year = {2008},
}