@inproceedings {4215,
	title = {Spam Filtering for Short Messages},
	booktitle = {International Conference on Information and Knowledge Management (CIKM)},
	year = {2007},
	doi = {10.1145/1321440.1321486},
	author = {Gordon Cormack and Jos{\'e} Mar{\'\i}a G{\'o}mez Hidalgo and Enrique Puertas Sanz}
}
