Hwaran Lee

ClaimDiff: Comparing and Contrasting Claims on Contentious Issues

2023

With the growing importance of detecting misinformation, many studies have focused on verifying factual claims by retrieving evidence. However, canonical fact verification tasks do not apply to catching subtle differences in factually consistent claims, which …

SUMBT: Slot-Utterance Matching for Universal and Scalable Belief Tracking

2019

In goal-oriented dialog systems, belief trackers estimate the probability distribution of slotvalues at every dialog turn. Previous neural approaches have modeled domain-and slot-dependent belief trackers, and have difficulty in adding new slot-values, resulting in lack …