How Learnweb Can Support Science Education Research on Climate Change in Social Media. - Apoorva Upadhyaya; Catharina Pfeiffer; Oleh Astappiev; Ivana Marenzi; Stefanie Lenzer; Andreas Nehring; Marco Fisichella (MIS4TEL, 2022)

RAGtifier: Evaluating RAG Generation Approaches of State-of-the-Art RAG Systems for the SIGIR LiveRAG Competition. - Tim Cofala; Oleh Astappiev; William Xion; Hailay Kidu Teklehaymanot (CoRR, 2025)