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Real-Time Relevance Matching of News and Tweets

  • Sei Onishi
  • Yuto Yamaguchi
  • Hiroyuki Kitagawa
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9415)

Abstract

Given a news article, how many tweets are relevant to it in Twitter? Can we continuously collect only such tweets in real-time? In this paper, we propose a method for matching news articles and tweets in real-time. By collecting tweets relevant to news articles, we can get reactions to news articles such as sentiments and opinions from Twitter users. Our contributions are two-fold: (a) flexibility: our method collects the appropriate number of tweets for various kinds of news articles, each of which has the different number of tweets that mention it. (b) efficiency: our method can reduce the update time of an inverted index which is used for efficient matching of news articles and tweets. Also, we experimentally demonstrate the effectiveness of our method on streams of news articles and tweets from Yahoo!News and Twitter, respectively. We use the area under the ROC curve (AUC) to compare the accuracy of our method and that of baselines. The comparison shows that the AUC of our method is higher than that of the baselines by up to 22.7%. Furthermore, our method can update its index about 10 times faster compared to the existing technique.

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  1. 1.Graduate School of Systems and Information EngineeringUniversity of TsukubaTsukubaJapan
  2. 2.Center for Computational SciencesUniversity of TsukubaTsukubaJapan
  3. 3.Faculty of Engineering Information and SystemsUniversity of TsukubaTsukubaJapan

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