Search Results for author: Gangwoo Kim

Found 8 papers, 6 papers with code

Tree of Clarifications: Answering Ambiguous Questions with Retrieval-Augmented Large Language Models

1 code implementation23 Oct 2023 Gangwoo Kim, Sungdong Kim, Byeongguk Jeon, Joonsuk Park, Jaewoo Kang

To cope with the challenge, we propose a novel framework, Tree of Clarifications (ToC): It recursively constructs a tree of disambiguations for the AQ -- via few-shot prompting leveraging external knowledge -- and uses it to generate a long-form answer.

Open-Domain Question Answering Retrieval

Generating Information-Seeking Conversations from Unlabeled Documents

1 code implementation25 May 2022 Gangwoo Kim, Sungdong Kim, Kang Min Yoo, Jaewoo Kang

In this paper, we introduce a novel framework, SIMSEEK, (Simulating information-Seeking conversation from unlabeled documents), and compare its two variants.

Conversational Search

Saving Dense Retriever from Shortcut Dependency in Conversational Search

1 code implementation15 Feb 2022 Sungdong Kim, Gangwoo Kim

In this paper, we demonstrate the existence of a retrieval shortcut in CS, which causes models to retrieve passages solely relying on partial history while disregarding the latest question.

Conversational Search Retrieval

Learn to Resolve Conversational Dependency: A Consistency Training Framework for Conversational Question Answering

1 code implementation ACL 2021 Gangwoo Kim, Hyunjae Kim, Jungsoo Park, Jaewoo Kang

One of the main challenges in conversational question answering (CQA) is to resolve the conversational dependency, such as anaphora and ellipsis.

Question Rewriting

Transferability of Natural Language Inference to Biomedical Question Answering

2 code implementations1 Jul 2020 Minbyul Jeong, Mujeen Sung, Gangwoo Kim, Donghyeon Kim, Wonjin Yoon, Jaehyo Yoo, Jaewoo Kang

We observe that BioBERT trained on the NLI dataset obtains better performance on Yes/No (+5. 59%), Factoid (+0. 53%), List type (+13. 58%) questions compared to performance obtained in a previous challenge (BioASQ 7B Phase B).

Natural Language Inference Question Answering +2

Look at the First Sentence: Position Bias in Question Answering

1 code implementation EMNLP 2020 Miyoung Ko, Jinhyuk Lee, Hyunjae Kim, Gangwoo Kim, Jaewoo Kang

In this study, we hypothesize that when the distribution of the answer positions is highly skewed in the training set (e. g., answers lie only in the k-th sentence of each passage), QA models predicting answers as positions can learn spurious positional cues and fail to give answers in different positions.

Extractive Question-Answering Position +2

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