Shubham Chatterjee, Xi Wang, Shuo Zhang, Sajad Ebrahimi, Zhaochun Ren, Debasis Ganguly, Gareth J. F. Jones, Emine Yilmaz, Hamed Zamani: ProActLLM: Proactive Conversational Information Seeking with Large Language Models. CIKM 2025: 6894-6897