3 papers
cs.AI2026
A.X K2 Technical Report
Cheolseung Baek, Dhammiko Arya, Eunki Kim +40
We introduce A.X K2, a 688B-parameter Mixture-of-Experts (MoE) language model trained from scratch as a high-performance foundation for \emph{agentic} applications. Trained on appr…
cs.CL2025
SPeCtrum: A Grounded Framework for Multidimensional Identity Representation in LLM-Based Agent
Keyeun Lee, Seo Hyeong Kim, Seolhee Lee +8
Existing methods for simulating individual identities often oversimplify human complexity, which may lead to incomplete or flattened representations. To address this, we introduce…
cs.HC2025
Letters from Future Self: Augmenting the Letter-Exchange Exercise with LLM-based Agents to Enhance Young Adults' Career Exploration
Hayeon Jeon, Suhwoo Yoon, Keyeun Lee +9
Young adults often encounter challenges in career exploration. Self-guided interventions, such as the letter-exchange exercise, where participants envision and adopt the perspectiv…