Publications

Peer-reviewed research in computational social science, discourse analysis, and political communication

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2025

Journal

Unsupervised framing analysis for social media discourse in polarizing events

H Sarmiento, R Córdova, J Ortiz, F Bravo-Marquez, M Santos, ...

ACM Transactions on the Web • Vol. 19 (4) • pp. 1-42

A novel unsupervised approach to frame analysis in social media discourse during polarizing political events, leveraging advanced NLP techniques.

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2024

Journal

Jijiji, Jajaja, Sabotaje y Campaña Sucia: WhatsApp en las Elecciones Presidenciales Chilenas de 2021

M SANTOS, J VALDEBENITO ALLENDES, JL ORTIZ FUENTES

Chasqui (13901079) • Vol. 156

This research examines the 'dirty politics' during Chile's 2021 presidential election. It analyses data from public messaging groups on WhatsApp, using computational methods and qualitative analysis.

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Journal

"Vendepatria" y "Antivacuna": Opinocracia y desinformación en WhatsApp en el proceso constitucional 2023 en Chile

M Santos, A Flores, J Ortiz

Comunicación y medios • Vol. 33 (50) • pp. 54-68

Analysis of opinion-based disinformation on WhatsApp during Chile's 2023 constitutional process, examining the role of social media in political discourse.

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Thesis

Can machines analyze discourse beyond sentiment analysis?: automating linguistic analyses of attitude and negative judgment

JL Ortiz Fuentes

Universidad de Chile (Thesis)

Doctoral thesis exploring automated methods for linguistic analysis of attitude and negative judgment in discourse, extending beyond traditional sentiment analysis approaches.

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Conference

A Comparative Analysis of Offensive Discourse in the 2021 Chilean Presidential Campaign on Twitter and WhatsApp

H Sarmiento, J Ortiz, F Bravo-Marquez, M Santos, S Valenzuela

WI-IAT (Conference)

Comparative study analyzing offensive discourse patterns across Twitter and WhatsApp during the 2021 Chilean presidential campaign using computational text analysis.

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2020

Journal

Integrating critical thinking into the classroom: A teacher's perspective

M Cáceres, M Nussbaum, J Ortiz

Thinking Skills and Creativity • Vol. 37 • pp. 100674

Studies on critical thinking often overlook the work done by teachers in the classroom to develop this skill. This study characterizes the work done by Spanish-speaking teachers in Latin America to integrate critical thinking into their practice.

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6
Total Publications
3
Years Active