Using Syntactic and Semantic Structural Kernels for Classifying Definition Questions in Jeopardy! Alessandro Moschitti author Jennifer Chu-Carroll author Siddharth Patwardhan author James Fan author Giuseppe Riccardi author 2011-07 text Proceedings of the 2011 Conference on Empirical Methods in Natural Language Processing Regina Barzilay editor Mark Johnson editor Association for Computational Linguistics Edinburgh, Scotland, UK. conference publication moschitti-etal-2011-using https://aclanthology.org/D11-1066/ 2011-07 712 724