精确率

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precision ratio
精确率(precision ratio)：将系统评估值，作为文件相关句子总数的基数，原则上，做法与回现率差不多；但若要得到高回现率就很难会有高精确率产生，反之...
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Precision
精确率(Precision)指的是模型判为正的所有样本中有多少是真正的正样本;召回率(Recall)指的是所有正样本有多少被模型判为正样本，即召回。
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Precision-Recall Curve
...询相关的数据记录的集合 A R A precision ∩ = R R A recall ∩ = 信息检索技术 13 精确率-召回率曲线 (Precision-Recall Curve) 0 0.2 0.4 0.6 0.8 1 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 Recall P r e c i s i o n A 系统 B系统信息检索技术 14 例：设...

短语

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词义排歧的精确率依赖于排歧知识的完备性。
The precision rate of word sense disambiguation depends on the completeness of disambiguation knowledge.
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实验表明，该方法训练数据规模大大减少，训练效率较高，同时具有较好的精确率和召回率。
The experiment shows that it not only reduces the size of train set, but also has very high training efficiency. Its precision and recall are also very good.
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利用翻译模板可以有效的解决翻译实例的数据稀疏问题、简化实例库的规模并提高实例匹配的精确率。
Translation template can solve the problem of data sparsity, large storage space and low matching precision of examples.

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