zhenghong

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you need use a vector recall engine, such as faiss。 use user embedding to query item embedding, then get topk items。

> python -m easy_rec.python.train_eval python -m easy_rec.python.train_eval 这个是训练和评估,没有导出模型呀

参考 pai designer里面的案例代码:https://help.aliyun.com/zh/pai/use-cases/dssm-vector-recall