A Modified Approach of Hot Topics Found on Micro-blog

  • Lu Ran
  • Xue Suzhi
  • Ren Yuanyuan
  • Zhu Zhenfang
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 269)


Due to the simplicity, immediacy and convenience, micro-blog is gaining more and more attention from all kinds of people, especially the researchers. Recently, topic detection on micro-blog has attracted more interests due largely to the rapid development of micro-blog. However, retrieving information from micro-blog is challenging, as the texts of the micro-blog are short, ungrammatical, and unstructured, and they are full of noise. Therefore, the traditional hot topic detection method performed less. In order to solve this problem, this paper proposed a method of hot topics found based on speed growth. In this method, the pretreated micro-blogs were divided into different windows, and the time information was extracted in each window; then, for each word, it was expressed as feature trajectory of binary group sequence; then, calculated the growth speed of the word and the users relevant to the word in every adjacent two windows, selected the words whose growth speed is greater than a certain threshold as hot keywords; then, hot topics were found through the hot keywords clustering. The experiment was done based on SINA micro-blog dataset, the miss rate and false detection rate were done to prove the feasibility of the algorithm, results showed that the method improved the efficiency of the detection to a certain extent.


Time information Growth speed Feature trajectory of binary group sequence 



This research was supported by the National Natural Science Foundation of China (No. 60873247), the Natural Science Foundation of Shandong Province of China (No. ZR2009GZ007, ZR2011FM030), and National Social Science foundation of China (12BXW040).


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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  • Lu Ran
    • 1
  • Xue Suzhi
    • 1
    • 2
  • Ren Yuanyuan
    • 1
    • 2
  • Zhu Zhenfang
    • 3
  1. 1.School of Information Science and EngineeringShandong Normal UniversityJinanChina
  2. 2.Shandong Provincial Key Laboratory for Novel Distributed Computer Software TechnologyJinanChina
  3. 3.School of Information Science and Electric EngineeringShandong Jiaotong UniversityJinanChina

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