Alessandro Moschitti, Jennifer Chu-Carroll, Siddharth Patwardhan, James Fan, Giuseppe Riccardi. Using Syntactic and Semantic Structural Kernels for Classifying Definition Questions in Jeopardy!. In Proceedings of the 2011 Conference on Empirical Methods in Natural Language Processing, EMNLP 2011, 27-31 July 2011, John McIntyre Conference Centre, Edinburgh, UK, A meeting of SIGDAT, a Special Interest Group of the ACL. pages 712-724, ACL, 2011. [doi]