activity
20222026
most citedAdaptive-RAG: Learning to Adapt Retrieval-Augmented Large Language Models through Question Complexity

10 citations · 17 across the 23 of their papers we have counts for

collaborators

23 papers

cs.DC2026

OasisKV: Scaling In-Decode KV Cache Beyond HBM with Lookahead Sparse Prefetching

Can Xiao, Sukmin Cho, Junbong We +7

Large language model (LLM) inference serving is increasingly constrained by memory rather than compute. As long-context and long-form reasoning workloads become more prevalent, the…

cs.CV2026

Semantic Hardness Is Not Visual Hardness: Sign-Aware Hard Negative Mining for Sign Language Retrieval

Junmyeong Lee, Chan Hur, ChangSu Choi +5

Sign Language Retrieval (SLRet) enables efficient access to sign language content but remains fragile in fine-grained scenarios where visually similar signs must be distinguished.…

cs.DC2026

ELDR: Expert-Locality-Aware Decode Routing for PD-Disaggregated MoE Serving

Sangjin Choi, Sukmin Cho, Yifan Xiong +3

In prefill-decode (PD) disaggregated LLM serving, each request is assigned to a decode worker after prefill. Existing decode routers balance only load; for mixture-of-experts (MoE)…

cs.IR2025

Upcycling Candidate Tokens of Large Language Models for Query Expansion

Jinseok Kim, Sukmin Cho, Soyeong Jeong +2

Query Expansion (QE) improves retrieval performance by enriching queries with related terms. Recently, Large Language Models (LLMs) have been used for QE, but existing methods face…

cs.IR2025

Temporal Information Retrieval via Time-Specifier Model Merging

SeungYoon Han, Taeho Hwang, Sukmin Cho +4

The rapid expansion of digital information and knowledge across structured and unstructured sources has heightened the importance of Information Retrieval (IR). While dense retriev…

cs.CL2025

Does Rationale Quality Matter? Enhancing Mental Disorder Detection via Selective Reasoning Distillation

Hoyun Song, Huije Lee, Jisu Shin +3

The detection of mental health problems from social media and the interpretation of these results have been extensively explored. Research has shown that incorporating clinical sym…

cs.CL2025

Lossless Acceleration of Large Language Models with Hierarchical Drafting based on Temporal Locality in Speculative Decoding

Sukmin Cho, Sangjin Choi, Taeho Hwang +6

Accelerating inference in Large Language Models (LLMs) is critical for real-time interactions, as they have been widely incorporated into real-world services. Speculative decoding,…

cs.CR2025

The RAG Paradox: A Black-Box Attack Exploiting Unintentional Vulnerabilities in Retrieval-Augmented Generation Systems

Chanwoo Choi, Jinsoo Kim, Sukmin Cho +2

With the growing adoption of retrieval-augmented generation (RAG) systems, various attack methods have been proposed to degrade their performance. However, most existing approaches…

cs.CV2025

PiLaMIM: Toward Richer Visual Representations by Integrating Pixel and Latent Masked Image Modeling

Junmyeong Lee, Eui Jun Hwang, Sukmin Cho +1

In Masked Image Modeling (MIM), two primary methods exist: Pixel MIM and Latent MIM, each utilizing different reconstruction targets, raw pixels and latent representations, respect…

cs.CL2024

EXIT: Context-Aware Extractive Compression for Enhancing Retrieval-Augmented Generation

Taeho Hwang, Sukmin Cho, Soyeong Jeong +3

We introduce EXIT, an extractive context compression framework that enhances both the effectiveness and efficiency of retrieval-augmented generation (RAG) in question answering (QA…

cs.CL2024

Towards Effective Counter-Responses: Aligning Human Preferences with Strategies to Combat Online Trolling

Huije Lee, Hoyun Song, Jisu Shin +3

Trolling in online communities typically involves disruptive behaviors such as provoking anger and manipulating discussions, leading to a polarized atmosphere and emotional distres…

cs.CL2024★ 1 cited

An Efficient Sign Language Translation Using Spatial Configuration and Motion Dynamics with LLMs

Eui Jun Hwang, Sukmin Cho, Junmyeong Lee +1

Gloss-free Sign Language Translation (SLT) converts sign videos directly into spoken language sentences without relying on glosses. Recently, Large Language Models (LLMs) have show…

cs.CL2024★ 2 cited

DSLR: Document Refinement with Sentence-Level Re-ranking and Reconstruction to Enhance Retrieval-Augmented Generation

Taeho Hwang, Soyeong Jeong, Sukmin Cho +2

Recent advancements in Large Language Models (LLMs) have significantly improved their performance across various Natural Language Processing (NLP) tasks. However, LLMs still strugg…

cs.CL2024

A Spatio-Temporal Representation Learning as an Alternative to Traditional Glosses in Sign Language Translation and Production

Eui Jun Hwang, Sukmin Cho, Huije Lee +2

This work addresses the challenges associated with the use of glosses in both Sign Language Translation (SLT) and Sign Language Production (SLP). While glosses have long been used…

cs.CL2024

Self-Knowledge Distillation for Learning Ambiguity

Hancheol Park, Soyeong Jeong, Sukmin Cho +1

Recent language models have shown remarkable performance on natural language understanding (NLU) tasks. However, they are often sub-optimal when faced with ambiguous samples that c…

cs.CL2024

Database-Augmented Query Representation for Information Retrieval

Soyeong Jeong, Jinheon Baek, Sukmin Cho +2

Information retrieval models that aim to search for documents relevant to a query have shown multiple successes, which have been applied to diverse tasks. Yet, the query from the u…

cs.CL2024

Typos that Broke the RAG's Back: Genetic Attack on RAG Pipeline by Simulating Documents in the Wild via Low-level Perturbations

Sukmin Cho, Soyeong Jeong, Jeongyeon Seo +2

The robustness of recent Large Language Models (LLMs) has become increasingly crucial as their applicability expands across various domains and real-world applications. Retrieval-A…

cs.CL2024★ 10 cited

Adaptive-RAG: Learning to Adapt Retrieval-Augmented Large Language Models through Question Complexity

Soyeong Jeong, Jinheon Baek, Sukmin Cho +2

Retrieval-Augmented Large Language Models (LLMs), which incorporate the non-parametric knowledge from external knowledge bases into LLMs, have emerged as a promising approach to en…

cs.CL2023

Improving Zero-shot Reader by Reducing Distractions from Irrelevant Documents in Open-Domain Question Answering

Sukmin Cho, Jeongyeon Seo, Soyeong Jeong +1

Large language models (LLMs) enable zero-shot approaches in open-domain question answering (ODQA), yet with limited advancements as the reader is compared to the retriever. This st…

cs.CL2023

Test-Time Self-Adaptive Small Language Models for Question Answering

Soyeong Jeong, Jinheon Baek, Sukmin Cho +2

Recent instruction-finetuned large language models (LMs) have achieved notable performances in various tasks, such as question-answering (QA). However, despite their ability to mem…

cs.IR2023★ 2 cited

Discrete Prompt Optimization via Constrained Generation for Zero-shot Re-ranker

Sukmin Cho, Soyeong Jeong, Jeongyeon Seo +1

Re-rankers, which order retrieved documents with respect to the relevance score on the given query, have gained attention for the information retrieval (IR) task. Rather than fine-…

cs.LG2022★ 1 cited

Non-Autoregressive Sign Language Production via Knowledge Distillation

Eui Jun Hwang, Jung Ho Kim, Suk Min Cho +1

Sign Language Production (SLP) aims to translate expressions in spoken language into corresponding ones in sign language, such as skeleton-based sign poses or videos. Existing SLP…

cs.IR2022★ 1 cited

Augmenting Document Representations for Dense Retrieval with Interpolation and Perturbation

Soyeong Jeong, Jinheon Baek, Sukmin Cho +2

Dense retrieval models, which aim at retrieving the most relevant document for an input query on a dense representation space, have gained considerable attention for their remarkab…