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      <title>推荐系统中不得不说的双塔模型</title>
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      <description>本文主要介绍项目中用于商业兴趣建模的DSSM双塔模型。作为推荐领域中大火的双塔模型，因为效果不错并且对工业界十分友好，所以被各大厂广泛应用于推荐系统中。 通过构建user和item两个独立的子网络，将训练好的两个“塔”中的user embedding 和item embedding各自缓存到内存数据库中</description>
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