It can be conceptualized as an extension of the entity linking problem (Erbs et al., 2011;Rao et al., 2013), attempting to link citations to variables in a knowledge base or it can be phrased as a Recognizing Textual Entailment (RTE) problem, where the system should be able to identify whether a sentence entails a given candidate hypothesis or not (Dagan et al., 2013;Bentivogli et al., 2009).
the textual entailment search task (cf.