collaborators

19 papers

cs.AI2026

DART: Draft-Agreement Routing for Training-Free Adaptive Thinking Budgets in Hybrid Reasoning Models

Jungseob Lee, Seongtae Hong, Seungjun Lee +7

Hybrid reasoning models can answer directly or spend extra tokens on extended thinking. A practical router should choose between these modes for each query, so easy problems avoid…

cs.CL2026

NeedleChain: Measuring Intact Context Comprehension Capability of Large Language Models

Hyeonseok Moon, Heuiseok Lim

Recent reports suggest that LLMs can handle increasingly long contexts. However, many existing benchmarks for context understanding embed substantial query-irrelevant content, whic…

cs.IR2026

SHIFT: Semantic Harmonization via Index-side Feature Transformation for Multilingual Information Retrieval

Youngjoon Jang, Seongtae Hong, Hyeonseok Moon +1

With the rapid expansion of massive multilingual corpora, Multilingual Information Retrieval (MLIR) has emerged as a critical technology for global information access. MLIR enables…

cs.IR2026

SemBridge: Language Transfer in Sparse Encoders via Multilingual Semantic Bridges

Seongtae Hong, Youngjoon Jang, Jia-Heui Ju +2

Sparse encoders offer high-precision retrieval by representing term importance within a vocabulary space, yet their English-centric structures pose a critical impediment to languag…

cs.CL2026

Llamion Technical Report

Kisu Yang, Yoonna Jang, Hyeonseok Moon +6

We release Llamion, a family of 14B-parameter open-weight language models obtained by transforming Orion-14B into the standardized Llama-family architecture. The transformation is…

cs.IR2026

MLAIRE: Multilingual Language-Aware Information Retrieval Evaluation Protocal

Youngjoon Jang, Seongtae Hong, Hyeonseok Moon +1

Multilingual Information Retrieval is increasingly important in real-world search settings, where users issue queries over mixed-language corpora. Existing evaluations mainly rewar…