方案：
https://github.com/PaddlePaddle/PaddleNLP/tree/develop/applications/neural_search
模型召回：双塔模型
DSSM、sentence-bert、simcse
向量检索利器：ANN
[1] 最近邻搜索 (Nearest Neighbor Search). https://leovan.me/cn/2020/08/nearest-neighbor-search/
[2] 浅析Faiss在推荐系统中的应用及原理. https://zhuanlan.zhihu.com/p/138311261
[3] 推荐系统的向量检索工具: Annoy & Faiss. https://zhuanlan.zhihu.com/p/402823379
比赛：
电商搜索召回. https://github.com/muyuuuu/E-commerce-Search-Recall?spm=5176.21852664.0.0.79006ebf02bd2j
https://muyuuuu.github.io/2022/03/24/E-commerce-Search-Recall/