Score Combination for Improved Parallel Corpus Filtering for Low Resource Conditions

This paper presents the description of our submission to WMT20 sentence filtering task.We combine scores from custom LASER built for each source language, a classifier built to distinguish positive and negative pairs and the original scores provided with the task.For the mBART setup, provided by the organizers, our method shows 7% and 5% relative improvement, over the baseline, in sacreBLEU score on the test set for Pashto and Khmer respectively.