Several neural network models have been proposed and tested on these datasets, such as ASReader (Kadlec et al., 2016), StanfordAttentiveReader (Chen et al., 2016, AoAReader (Cui et al., 2017), etc.
the intuitive approaches to CLQA are to translate the questions into the document's language (Sutcliffe et al., 2005;de Pablo-Sánchez et al., 2005;Aceves-Pérez et al., 2007), which, however, suffers from translation errors.