1. Baldwin, C. 350,000 different types of spam SMS messages were targeted at mobile users in 2012. 2013. http://www.computerweekly. com/news/2240178681/.
2. Content-based mobile spam classification using stylistically motivated features;Sohn;Pattern Recognition Letters,2012
3. Contributions to the study of SMS spam filtering: new collection and results;Almeida;Proceedings of the 11th ACM Symposium on Document Engineering.,2011
4. Spam filtering for short messages;Cormack;Proceedings of the 16th ACM Conference on Information and Knowledge Management.,2007