Youngjun Kwak
2 indexed papers
Recent (6 mo)
2With code
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0Benchmarked
0Publications per year
226
Top categories
Info Retrieval×1Crypto×1NLP×1
Frequent co-authors
Research Timeline
2026
Membrane: A Self-Evolving Contrastive Safety Memory for LLM Agent Defense
Membrane introduces a self-evolving guardrail using Contrastive Safety Memory (CSM) that generalizes across topical jailbreak variants, achieving superior safety performance while minimizing benign refusal rates.
Listwise Explanation of Embedding-Based Rankings via Semantic Chunk Grouping
The paper introduces ChunkGroupSHAP, a listwise Shapley method that clusters semantantly related chunks into shared cross-document features for dense semantic ranking.
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Papers
cs.IREmpiricalRecentJun 26, 2026
Listwise Explanation of Embedding-Based Rankings via Semantic Chunk Grouping
The paper introduces ChunkGroupSHAP, a listwise Shapley method that clusters semantantly related chunks into shared cross-document features for dense semantic ranking.
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cs.CRcs.CLRecentJun 4, 2026