INVESTIGADORES
DORSO Claudio Oscar
artículos
Título:
Quantifying time-dependent Media Agenda and public opinion by topic modeling
Autor/es:
S.PINTO; F.ALBANECE; C. O. DORSO; P. BALENZUELA
Revista:
PHYSICA A - STATISTICAL AND THEORETICAL PHYSICS
Editorial:
ELSEVIER SCIENCE BV
Referencias:
Lugar: Amsterdam; Año: 2019 vol. 524 p. 614 - 624
ISSN:
0378-4371
Resumen:
The mass media plays a fundamental role in the formation of public opinion, either by defining the topics of discussion or by making an emphasis on certain issues. Directly or indirectly, people get informed by consuming news from the media. Naturally, two questions appear: What are the dynamics of the agenda and how the people become interested in their different topics? These questions cannot be answered without proper quantitative measures of agenda dynamics and public attention. In this work we study the agenda of newspapers in comparison with public interests by performing topic detection over the news. We define Media Agenda as the distribution of topic?s coverage by the newspapers and Public Agenda as the distribution of public interest in the same topic space. We measure agenda diversity as a function...
