We use manual ranking as our standard ranking, and use NDCG to measure the ranking algorithms.
我们将人工标记的标签排序作为标准的排序，并使用NDCG标准来衡量算法的准确性。
The algorithm used the same train data as the traditional way, and the difference is defining a new object function directed to NDCG.
该算法也是使用样本对作为训练数据，但定义了一个面向NDCG评估标准白勺目的函数。
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