Therefore, this article will obtain from the poet intrinsic difference, take WenTingjun’s poem as the leadership to discuss the word body characteristics of late Tang Poem and the reasons which result in this phenomenon as well as its influence in later literature.

It is an important problem how to choice the feature words which can express the topic exactly,and consequently reduce space dimension and time complexity.

We proposed a clustering computing based on feature words.

Different than stressing genealogical lines as is done by comparing feature words of a Pan-Min nature,the extraction of feature words pertaining to Hainan Min dialect is aimed at revealing its peculiarity.

This article uses correlative theory and researched date, whose representative characteristic words are from Binyang dialect, Tingzi Pinghua and Hengxian Pinghua, at the same time, com paring with characteristic words from Characteristic Words in Cantonese whose author is Zhang Shuangqing, to analyse the using situation.

This paper introduces the definition and its extract method of Hakka dialects characteristic words, and lists some examples,then stresses the analysis of modern Chinese words in it in order to show the close relation of Hakka dialects and the modern Chinese.

With the point of characteristic words, it’s very necessary and important to do the comparison.

To categorize documents hierarchically according to their topics,the thought of Fisher linear discriminant is utilized to get positive feature words and negative feature words in each category, and the algorithm of a hierarchical document categorization is given based on Fisher linear discriminant (HDCF).

To categorize documents hierarchically according to their topics,the thought of Fisher linear discriminant is utilized to get positive feature words and negative feature words in each category, and the algorithm of a hierarchical document categorization is given based on Fisher linear discriminant (HDCF).

Automatic segmentation based on signature word;

It can extract the subject signature words from Web page text when the wireless terminal cannot show the full Web page because of small display screen.

this paper makes a tentative discussion on the techniques and method of automatic abstracting of signature words on the requirement of automatic document abstraction,two new extracting algorithms of signature words were designed and implemented.