setrank专题

SetRank: Learning a Permutation-Invariant Ranking Model for Information Retrieval

总结 加序列emb,multi-head self-attention/transformer 细节 当输入list排序变化后,用rank模型输出不变的排序list。multi-head self-attention堆叠解决。 representation-encoding-ranking 先用现有的ranking model做出来init ranking,再multi-head a