However, lazy learning also has a disadvantage of expensive querying cost, because all distances between query instance and every instance of training instances have to be computed when classifying query instances.
然而由于惰性学习在分类查询实例时,需要计算查询实例与所有存储实例的距离,因而存在查询代价大的缺点。
参考来源 - 惰性学习中实例选择研究与应用·2,447,543篇论文数据，部分数据来源于NoteExpress
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