4 papers
Asymmetric Discourse Homogenization and Shared Language Technology: Evidence from Reddit
Fengming Liu
I document an ideologically asymmetric break in the pre-existing diversification trend of political discourse, emerging around late 2022, using 6 million Reddit comments from two c…
Position: Mechanistic Interpretability Must Disclose Identification Assumptions for Causal Claims
Zezheng Lin, Fengming Liu
Mechanistic interpretability papers increasingly use causal vocabulary: circuits, mediators, causal abstraction, monosemanticity. Such claims require explicit identification assump…
The Translation Tax Is Not a Scalar: A Counterfactual Audit of English-Source Cue Inheritance in Chinese Multilingual Benchmarks
Zezheng Lin, Fengming Liu, Handi Li
The Translation Tax is often treated as a scalar: translated benchmarks are assumed to inflate scores by preserving English-source cues. We audit this claim in an English-to-Chines…
Rumor Forwarding Prediction Model Based on Uncertain Time Series
Ruihong Wang, Fengming Liu
The rapid spread of rumors in social media is mainly caused by individual retweets. This paper applies uncertainty time series analysis (UTSA) to analyze a rumor retweeting behavio…