查询词典 annotators

Labeled data, however, often consume much time and are expensive to obtain, as they require the efforts of human annotators.

标注样本数据所属的类别通常需要大量的人工，消耗大量的时间，付出昂贵的成本。

Labelling data is dull and requires experienced annotators to label them with plenty of time and special device.This is so-called bottle-neck of annotation.At the same time,unlabelled data are easy to obtain and can be used in diverse ways.

大量实验表明，该方法明显减小了训练集的数据量，从而降低了算法的时空消耗，改进了分类器的性能。3、半监督的文本分类传统的分类器仅使用有标签的数据进行训练，然而，有标签的实例通常因昂贵、耗时而难以获得，从而造成标注瓶颈问题。

I can do simple painting, carpentry and plumbing.

我能做简单的油漆、木工和修水管等工作。

The motivations, notations and outline of this work are also given in this chapter.

从这个意义上讲，这些时滞是无害的。然后用实例说明这三个定理的应用和互不包含性。