Andrea Horbach,
Alexis Palmer and
Manfred Pinkal. Using the text to evaluate short answers for reading comprehension exercises. In SEM 2013 : the Second Joint Conference on Lexical and Computational Semantics; Vol. 1 : Proceedings of the Main Conference and the Shared Task: Semantic Textual Similarity.- Stroudsburg, PA : Association for Computational Linguistics, Pages 286-295, Atlanta, Georgia, USA, 13-14 June 2013. google Note: MP.
