SELSA系統是一個通過添加潛在語義分析（latent semantic analysis，LSA）和一些簡單的句法特徵從而進行評分的系統，此外，該系統也用到了詞性等方面的知識。
參考資料：D.Kanejiya，A.Kumar，S.Prasad. Automatic Evaluation of Students’ Answers Using Syntactically Enhanced LSA. In：Proceedings of the HLTNAACL 03 Workshop on Building Educational Applications Using Natural Language Processing. Edmonton：the HLTNAACL 03 Workshop on Building Educational Applications Using Natural Language Processing ，2003.53~60.
