WorldTree V2: A Corpus of Science-Domain Structured Explanations and Inference Patterns supporting Multi-Hop Inference. - Zhengnan Xie; Sebastian Thiem; Jaycie Martin; Elizabeth Wainwright; Steven Marmorstein; Peter A. Jansen (LREC, 2020)

Multi-class Hierarchical Question Classification for Multiple Choice Science Exams. - Dongfang Xu; Peter A. Jansen; Jaycie Martin; Zhengnan Xie; Vikas Yadav; Harish Tayyar Madabushi; Oyvind Tafjord; Peter Clark (LREC, 2020)