@article{welbl2018tacl,
    volume={6}, 
    journal={Transactions of the Association for Computational Linguistics}, 
    pages={287--302}, 
    keywords={}, 
    issn={2307-387X}, 
    year={2018}, 
    author={Johannes Welbl, Pontus Stenetorp, Sebastian Riedel}, 
    title={Constructing Datasets for Multi-hop Reading Comprehension Across Documents}, 
}