4 papers · 1 filter
Expectation, Backlash, Recovery, and Excitement: How Model Releases Shape Reddit Perceptions of Conversational AI Systems
Vahid Rahimzadeh, Yury Zhauniarovich, Savvas Zannettou
Conversational AI systems (CAISes) continuously change through model releases, feature updates, safety interventions, and access-policy shifts, yet user perceptions are often studi…
Synthia: Scalable Grounded Persona Generation from Social Media Data
Vahid Rahimzadeh, Erfan Moosavi Monazzah, Mohammad Taher Pilehvar +1
Persona-driven simulations are increasingly used in computational social science, yet their validity critically depends on the fidelity of the underlying personas. Constructing vir…
PolitiSky24: U.S. Political Bluesky Dataset with User Stance Labels
Peyman Rostami, Vahid Rahimzadeh, Ali Adibi +1
Stance detection identifies the viewpoint expressed in text toward a specific target, such as a political figure. While previous datasets have focused primarily on tweet-level stan…
PerCul: A Story-Driven Cultural Evaluation of LLMs in Persian
Erfan Moosavi Monazzah, Vahid Rahimzadeh, Yadollah Yaghoobzadeh +2
Large language models predominantly reflect Western cultures, largely due to the dominance of English-centric training data. This imbalance presents a significant challenge, as LLM…