A dot density weighted fuzzy C-means algorithm is proposed by using density size of data dot regarded as weighted value and distributing characteristic of datas own.

利用数据点的密度大小作为权值，借助数据本身的分布特性，提出了一种点密度加权模糊c -均值算法。

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Computing method of weighted value for feature item based on text representation can determine extraction of text feature, which have influence on accuracy of the text clustering.

文本表示中特征项的权值计算方法决定了文本特征的提取，在很大程度上影响了文本聚类的准确率。

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The weighted value is connected with the position of value range block in the image and the grey changing level of value range block. The way we chose is consistent with HVS characteristic.

权值的取值与值域块在图像中的位置有关，同时与值域块的灰度变化水平有关。

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The pound's trade-weighted value rose by more than 20% between August 1996 and August 1997.

ECONOMIST: The economy

Sterling has lost 15% of its trade-weighted value over the past year, and 5% over the past month.

ECONOMIST: Britain's economy

The euro's trade-weighted value, however, has risen by much less, taking it back to its value at launch in January 1999.

ECONOMIST: Euro economies