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Sohyeon Kim

3 accepted papers

2026

An Empirical Study of Attention and Diversity for Adaptive Visual Token Pruning in Large Vision-Language Models

ICLR 2026poster

Large Vision-Language Models (LVLMs) have adopted visual token pruning strategies to mitigate substantial computational overhead incurred by extensive visual token sequences. While prior works primarily focus on either attention-based or diversity-based pruning methods, in-depth analysis of these a…

Cited by 0SourcecodeScholar
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

When Should Dense Retrievers Be Updated in Evolving Corpora? Detecting Out-of-Distribution Corpora Using GradNormIR

ACL 2025finding

Dense retrievers encode texts into embeddings to efficiently retrieve relevant documents from large databases in response to user queries. However, real-world corpora continually evolve, leading to a shift from the original training distribution of the retriever. Without timely updates or retraining…