Structural relationships for large-scale learning of answer re-ranking
Aliaksei Severyn, Alessandro Moschitti · 2012
Supervised learning applied to answer re-ranking can highly improve on the overall accuracy of question answering (QA) systems. The key aspect is that the relationships and properties of the question/answer pair composed of a question and the supporting passage of an answer candidate, can be efficiently compared with those captured by the learnt model.