@article{santos2011ESWA, author = {Igor Santos and Carlos Laorden and Borja Sanz and Pablo Garc\'ia Bringas}, title = {Enhanced Topic-based Vector Space Model for Semantics-aware Spam Filtering}, journal = {Expert Systems With Applications}, volume = {39}, number = {1}, pages = {437--444}, note = {doi:10.1016/j.eswa.2011.07.034} }