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Giorgos Vernikos

3 accepted papers

2024

Don’t Rank, Combine! Combining Machine Translation Hypotheses Using Quality Estimation

ACL 2024long

Neural machine translation systems estimate probabilities of target sentences given source sentences, yet these estimates may not align with human preferences. This work introduces QE-fusion, a method that synthesizes translations using a quality estimation metric (QE), which correlates better with…

Cited by 0SourcePDFScholar
2021

Active Learning by Acquiring Contrastive Examples

EMNLP 2021main

Common acquisition functions for active learning use either uncertainty or diversity sampling, aiming to select difficult and diverse data points from the pool of unlabeled data, respectively. In this work, leveraging the best of both worlds, we propose an acquisition function that opts for selectin…