Training Curricula for Open Domain Answer Re-Ranking

29 Apr 2020Sean MacAvaneyFranco Maria NardiniRaffaele PeregoNicola TonellottoNazli GoharianOphir Frieder

In precision-oriented tasks like answer ranking, it is more important to rank many relevant answers highly than to retrieve all relevant answers. It follows that a good ranking strategy would be to learn how to identify the easiest correct answers first (i.e., assign a high ranking score to answers that have characteristics that usually indicate relevance, and a low ranking score to those with characteristics that do not), before incorporating more complex logic to handle difficult cases (e.g., semantic matching or reasoning)... (read more)

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