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cs.CL2025
Investigating Retrieval-Augmented Generation Systems on Unanswerable, Uncheatable, Realistic, Multi-hop Queries
Gabrielle Kaili-May Liu, Bryan Li, Arman Cohan +2
Real-world use cases often present RAG systems with complex queries for which relevant information is missing from the corpus or is incomplete. In these settings, RAG systems must…
cs.CL2025
How Grounded is Wikipedia? A Study on Structured Evidential Support and Retrieval
William Walden, Kathryn Ricci, Miriam Wanner +4
Wikipedia is a critical resource for modern NLP, serving as a rich repository of up-to-date and citation-backed information on a wide variety of subjects. The reliability of Wikipe…
cs.CL2024
Cross-Document Event-Keyed Summarization
William Walden, Pavlo Kuchmiichuk, Alexander Martin +5
Event-keyed summarization (EKS) requires summarizing a specific event described in a document given the document text and an event representation extracted from it. In this work, w…