WorldTree V2: A Corpus of Science-Domain Structured Explanations and Inference Patterns supporting Multi-Hop Inference Zhengnan Xie author Sebastian Thiem author Jaycie Martin author Elizabeth Wainwright author Steven Marmorstein author Peter Jansen author 2020-05 text eng Proceedings of the Twelfth Language Resources and Evaluation Conference Nicoletta Calzolari editor Frédéric Béchet editor Philippe Blache editor Khalid Choukri editor Christopher Cieri editor Thierry Declerck editor Sara Goggi editor Hitoshi Isahara editor Bente Maegaard editor Joseph Mariani editor Hélène Mazo editor Asuncion Moreno editor Jan Odijk editor Stelios Piperidis editor European Language Resources Association Marseille, France conference publication 979-10-95546-34-4 xie-etal-2020-worldtree https://aclanthology.org/2020.lrec-1.671/ 2020-05 5456 5473