winnow

verb

1. 簸，扬，风选（以去掉谷壳）
   to blow air through grain in order to remove its outer covering (called the chaff )

1. VERB 筛选;遴选
   If you winnow a group of things or people, you reduce its size by separating the ones that are useful or relevant from the ones that are not.
   1. Administration officials have winnowed the list of candidates to three.
      行政官员将候选名单筛减至3人。

1. Administration officials have winnowed the list of candidates to three.
   行政官员将候选名单筛减至3人。
2. Yahoo did not confirm its use, but reports indicate that its high-profile leader, Marissa Mayer, is relying on the stack ratings model to winnow out employees and fire them& the "yank" part of the equation.
   虽然雅虎并没有确认这一点，但大量报道显示，这家公司行事高调的掌门人玛丽莎•梅耶尔正在依靠堆垛式评级模型筛除、解雇一些员工&这一评估方程式的“封杀”部分。
3. Winnow the husks from the corn
   用风选法除去谷物的壳
4. Due to the huge gap between the quota and actual applications, immigration officers had to hold a random drawing to winnow down the applications.
   由于配额和实际申请之间的巨大差距，移民局官员只得采用随机抽取的方法来筛选众多的申请。
5. Winnow truth from falsehood Does anybody know how to identify the new ID card? Reply in Chinese is also OK! Thanks!
   是否有人知道如何鉴别第二代身份证真伪，可以用中文，谢谢！
6. The utility model relates to a power rice sheller, in particular to a light power rice sheller with a screen and a rotating winnow device.
   本实用新型涉及一种动力打稻机，特别是一种带筛、带转扬装置的轻型动力打稻机。
7. Study on spam filters based on Winnow algorithm
   基于Winnow算法的垃圾邮件过滤器研究
8. His shovel is ready in his hand and he will winnow his threshing-floor; the wheat he will gather into his granary, but he will burn the chaff on a fire that can never go out.
   他手拿簸箕，要扬净打谷场的谷粒，把麦子收进谷仓里，用永不熄灭之火把糠烧掉。
9. Study on algorithm of distinguishing the forged notes from the paper currencies based on image feature winnow truth from falsehood
   基于图像特征的纸币真伪识别算法研究
10. A building for storing threshed grain. winnow the husks from the corn
    谷仓储存脱粒后的谷物的建筑物
11. Objective To winnow and establish the optimal condition for ultrasonic extraction of total flavone from christina loosestrife herb.
    目的优选并确立金钱草总黄酮的最佳超声提取条件。
12. But throught practice one can tell the true from the false. winnow truth from falsehood
    通过实践我们即可区别真伪。去伪存真，辨别真假
13. The new X prize is designed to winnow the genetic wheat from the chaff.
    新设立的这个X奖是为了在茫茫基因大漠中“披沙拣金”。
14. For the training parameters α,β are vital to the performance of face detector, we present an amended Winnow learning algorithm.
    这个人脸检测方法中，训练参数α、β对于检测器的性能起着至关重要的作用。因此，本文提出了一种修正的Winnow训练算法，这个算法在训练过程中动态计算训练参数α、β。
15. It is proved that the winnow algorithm can be used to implement on mail classification system which has high efficient, reliable features and can meets the change of user's criteria for classification through setting up the rules and through adding self-adaptive ability to winnow algorithm.
    实验证明，通过建立规则、增加Winnow分类的自适应能力，采用Winnow算法能够实现一个高效的、可靠的、能够适应用户分类标准变化的邮件分类系统。
16. A Winnow Linear Classifier and Its Application in TREC 2003 Novelty
    一种Winnow线性分类器及其在TRECNovelty任务中的应用
17. Text Filtering Based on Winnow Algorithm
    基于Winnow算法的文本过滤
18. Splice Site Identification Based on Improved Winnow Algorithm
    基于改进的Winnow算法的剪接位点识别
19. Both positive Winnow and balanced Winnow were realized in this system and after test balanced Winnow was found superior to positive Winnow.
    在本系统中，分别实现了最基本的Winnow和BalancedWinnow，经测试发现BalancedWinnow的性能要优于最基本的Winnow。
20. In this paper, we describe the regularized Winnow algorithm for Chinese named entity recognition. The experiment results for a large corpus are presented.
    本文针对中文的命名实体识别问题，描述了正则化Winnow算法，并给出了基于较大规模语料库的实验结果。
21. The Winnow algorithm used in our system is described in detail and a set of experiments is carried out to verify its effect.
    文中详细描述了在我们的过滤系统中所使用的Winnow算法以及所进行的一系列证实其有效性的实验。
22. The results show that adoption of Winnow has obtained significant improvement in TREC ( Text REtrieval Conference) 2002 filtering track.
    结果显示Winnow分类器的采用在2002年度的TREC（文本检索会议）过滤任务中取得了显著的性能提高。
23. Both of the algorithms need appropriate feature selection. When two words around an entity were selected, the performance of the both algorithms got the peak. The average weighted F-Score of Winnow and SVM algorithms were 73.08% and 73.27% separately.
    两种算法都进行适当的特征选择，当选择每个实体的左右两个词为特征时，达到最好的抽取效果，Winnow和SVM算法的加权平均F-Score分别为73.08%和73.27%。

winnow sb/sth out (of sth)

1. 筛选；遴选；选拔
   to remove people or things from a group so that only the best ones are left

noun

1. the act of separating grain from chaff
   1. the winnowing was done by women

   Synonym:    winnowingsifting

verb

1. blow away or off with a current of air
   1. winnow chaff

2. select desirable parts from a group or list
   1. cull out the interesting letters from the poet's correspondence
   2. winnow the finalists from the long list of applicants

   Synonym:    cull out

3. separate the chaff from by using air currents
   1. She stood there winnowing chaff all day in the field

   Synonym:    fan

4. blow on
   1. The wind was winnowing her hair
   2. the wind winnowed the grass