most citedDetecting Misinformation in Multimedia Content through Cross-Modal Entity Consistency: A Dual Learning Approach

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cs.CL2026

Document Topic Alignment Metrics for Evaluating Topic Models of Short-Text Public Health Communications on Social Media

Wangjiaxuan Xin, Shuhua Yin, Yaorong Ge +1

Topic models are widely used to analyze public health-related social media short texts, yet their evaluation remains dominated by metrics that focus entirely on generated topics al…

cs.CL2025

Improving Topic Modeling of Social Media Short Texts with Rephrasing: A Case Study of COVID-19 Related Tweets

Wangjiaxuan Xin, Shuhua Yin, Shi Chen +1

Social media platforms such as Twitter (now X) provide rich data for analyzing public discourse, especially during crises such as the COVID-19 pandemic. However, the brevity, infor…