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New Technology of Library and Information Service  2014, Vol. 30 Issue (6): 79-86    DOI: 10.11925/infotech.1003-3513.2014.06.09
Current Issue | Archive | Adv Search |
The Effect of the Quality of Textual Features on Retrieval in Micro-blog
Tang Xiaobo, Fang Xiaoke
School of Information Management, Wuhan University, Wuhan 430072, China
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Abstract  

[Objective] To discuss the effect of features quality on the search results through the four major domestic microblogging. [Methods] The weight calculation indicators TF-IDF is enhanced from the perspective of the whole feature, and the quality of each feature in the microblogging is further assessed by the two measure indicators including descriptive power and discriminative power. [Results] The descriptive power and discriminative power in microblogging appeare positive effects on the search results; Different quality of features in each platform has different impact to the classified results; And integrating the two indexes has the best effective in the classification. [Limitations] Some other features in the microblogging, namely dialogue replies, and number of fans, have not been taken into account. And the word semantic ambiguity characteristic like synonyms is not discussed yet. [Conclusions] This study helps features in the microblogging to be in-depth understood through the discussion that the effect of features quality on the search results. So as to improve the retrieval quality in the social media platforms.

Key wordsMicro-blog      Text features      Descriptive power      Discriminative power      Retrieval     
Received: 04 December 2013      Published: 09 July 2014
:  G203  

Cite this article:

Tang Xiaobo, Fang Xiaoke. The Effect of the Quality of Textual Features on Retrieval in Micro-blog. New Technology of Library and Information Service, 2014, 30(6): 79-86.

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http://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/10.11925/infotech.1003-3513.2014.06.09     OR     http://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/Y2014/V30/I6/79

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