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Mobile or SMS spam is a real and growing problem primarily due to the availability of very cheap bulk pre-pay SMS packages and the fact that SMS engenders higher response rates as it is a trusted and personal service. SMS spam filtering is a relatively new task which inherits many issues and solu- tions from email spam filtering. However it poses its own specific challenges. This paper motivates work on filtering SMS spam and reviews recent devel- opments in SMS spam filtering. The paper also discusses the issues with data collection and availability for furthering research in this area, analyses a large corpus of SMS spam, and provides some initial benchmark results.
Delany,S. J., Buckley, M. & Greene, D. (2012) SMS Spam Filtering: Methods and Data, Expert Systems with Applications, vol. 39 (10), p9899-9908. doi:10.1016/j.eswa.2012.02.053