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Dahyun Lee

3 accepted papers

2026

Hybrid Deep Searcher: Scalable Parallel and Sequential Search Reasoning

ICLR 2026poster

Large reasoning models (LRMs) combined with retrieval-augmented generation (RAG) have enabled deep research agents capable of multi-step reasoning with external knowledge retrieval. However, previous methods that extend reasoning with single-query search steps struggle to scale to complex tasks dema…

Cited by 0SourceScholar
2025

Journalism-Guided Agentic In-context Learning for News Stance Detection

EMNLP 2025

As online news consumption grows, personalized recommendation systems have become integral to digital journalism. However, these systems risk reinforcing filter bubbles and political polarization by failing to incorporate diverse perspectives. Stance detection—identifying a text’s position on a targ

Cited by 0SourcePDFScholar
2025

Shifting from Ranking to Set Selection for Retrieval Augmented Generation

ACL 2025long

Retrieval in Retrieval-Augmented Generation (RAG) must ensure that retrieved passages are not only individually relevant but also collectively form a comprehensive set.Existing approaches primarily rerank top-k passages based on their individual relevance, often failing to meet the information needs…