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Mining Temporal Discriminant Frames via Joint Matrix Factorization: A Case Study of Illegal Immigration in the U.S. News Media

  • Qingchun Bai
  • Kai Wei
  • Mengwei Chen
  • Qinmin Hu
  • Liang He
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11061)

Abstract

Framing detection has emerged to be an important topic in recent natural language processing research. Although several frameworks have been proposed, little is known about how to detect temporal discriminant frames. This study proposes a framework for discovering temporal discriminant frames, with a focus on identifying emergent frames in news discussions of illegal immigration issue. Built on joint non-negative matrix factorization (NMF), we propose the njNMF algorithm, an improved joint matrix factorization algorithm, to detect the temporal frames. We conducted experiments using the njNMF algorithm to identify emergent frames. The results of our experiments show that framing of illegal immigration changes over time, from human trafficking frames, to more recent economic and criminality frames. These findings suggest the utility of our temporal framing approach and can be used as a framing detection tool for policy researchers to understand the role of news framing in public agenda setting.

Keywords

Joint NMF Temporal discriminant frame Framing evolution 

Notes

Acknowledgments

This research is funded by the Natural Science Foundation of Shanghai (No. 17ZR1444900), National Natural Science Foundation of China (No. 41601418), Scientific technological research project of Henan Province (No. 172102210539).

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Qingchun Bai
    • 1
  • Kai Wei
    • 2
  • Mengwei Chen
    • 1
  • Qinmin Hu
    • 3
  • Liang He
    • 1
  1. 1.School of Computer Science and Software EngineeringEast China Normal UniversityShanghaiChina
  2. 2.School of Social WorkUniversity of PittsburghPittsburghUSA
  3. 3.Department of Computer ScienceRyerson UniversityTorontoCanada

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