It achieves the update control of the user interest model.
实现用户兴趣模型的更新控制。
A hierarchical user interest model is a tree whose nodes are the single interest vectors.
一个层次结构用户兴趣模型是一个以单个兴趣向量为节点的树。
Creating and updating the user interest model are the key technology of intelligent search.
用户兴趣模型的建立和更新是实现智能化搜索的核心。
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