From the 2 of 24 linked papers with an AI index.
24 papers
From a Word-Level Dictionary to Sentence-Level Semantics: Multilingual Grievance Labelling with Contextual Models
Lin Tian, Marian-Andrei Rizoiu
Grievance is one of the warning signs analysts look for when assessing threats of violence. It is increasingly measured at scale from online text, most often with word-level lexico…
UTS at ELOQUENT 2026 Voight-Kampff: structural shifts in AI writing bypass state-of-the-art detectors
Dima Galat, Marian-Andrei Rizoiu
The paper examines how AI-generated text can evade state-of-the-art detection models by deliberately moving the output outside the detectors' training distribution, introducing two…
Cost-Pragmatic Quality Gating and Selection-Fusion Multi-Model Combiners for BioASQ Phases A+ and B
Dima Galat, Marian-Andrei Rizoiu
The paper presents a BioASQ 2026 system that uses a quality‑gated re‑retrieval strategy and a multi‑model answer selection‑fusion framework to improve biomedical question answering…
Shifting Social Dispositions, Stable Prosocial Traits: A Global Age-Period-Cohort Analysis of Human Personality
Paul X. McCarthy, Xian Gong, John A. Johnson +3
Generational stereotypes are widespread, but they often rely on anecdotes, and it remains challenging to disentangle true birth-cohort differences from the universal effects of age…
Brexit Means Brexit: Selection Bias, Echo Chambers, and Entrenched Opinion on Reddit
Marian-Andrei Rizoiu, Duy Khuu, Andrew Law +1
Political polarisation on structured discussion platforms such as Reddit differs fundamentally from that on broadcast platforms such as Twitter/X, yet most prior work targets the l…
Long Live Fine-Tuning: Task-Specific Transformers Outperform Zero-Shot LLMs for Misinformation Response Classification on Reddit
JooYoung Lee, Lin Tian, Angela Brillantes +2
As large language models (LLMs) become default tools for online information verification, an implicit assumption follows them: that scale and general capability are sufficient for…