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Philipp Christmann

2 accepted papers

2025

Recursive Question Understanding for Complex Question Answering over Heterogeneous Personal Data

ACL 2025finding

Question answering over mixed sources, like text and tables, has been advanced by verbalizing all contents and encoding it with a language model. A prominent case of such heterogeneous data is personal information: user devices log vast amounts of data every day, such as calendar entries, workout st…

Cited by 0SourcePDFScholar
2024

Retrieving Contextual Information for Long-Form Question Answering using Weak Supervision

EMNLP 2024finding

Long-form question answering (LFQA) aims at generating in-depth answers to end-user questions, providing relevant information beyond the direct answer. However, existing retrievers are typically optimized towards information that directly targets the question, missing out on such contextual informat…