Chanhee Lee — accepted AI-conference papers

2024

Tree-of-Question: Structured Retrieval Framework for Korean Question Answering Systems

Dongyub Lee, Younghun Jeong, Hwa-Yeon Kim, Hongyeon Yu, Seunghyun Han, Taesun Whang +4

NAACL 2024industry

We introduce Korean language-specific RAG-based QA systems, primarily through the innovative Tree-of-Question (ToQ) methodology and enhanced query generation techniques. We address the complex, multi-hop nature of real-world questions by effectively integrating advanced LLMs with nuanced query plann…

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2021

Do Response Selection Models Really Know What’s Next? Utterance Manipulation Strategies for Multi-turn Response Selection

Taesun Whang, Dongyub Lee, Dongsuk Oh, Chanhee Lee, Kijong Han, Dong-hun Lee +1

AAAI 2021technical

In this paper, we study the task of selecting the optimal response given a user and system utterance history in retrieval-based multi-turn dialog systems. Recently, pre-trained language models (e.g., BERT, RoBERTa, and ELECTRA) showed significant improvements in various natural language processing t…

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