Search Results for author: Hyeong Kyu Choi

Found 6 papers, 5 papers with code

NuTrea: Neural Tree Search for Context-guided Multi-hop KGQA

no code implementations24 Oct 2023 Hyeong Kyu Choi, Seunghun Lee, Jaewon Chu, Hyunwoo J. Kim

Multi-hop Knowledge Graph Question Answering (KGQA) is a task that involves retrieving nodes from a knowledge graph (KG) to answer natural language questions.

MELTR: Meta Loss Transformer for Learning to Fine-tune Video Foundation Models

1 code implementation CVPR 2023 Dohwan Ko, Joonmyung Choi, Hyeong Kyu Choi, Kyoung-Woon On, Byungseok Roh, Hyunwoo J. Kim

Therefore, we propose MEta Loss TRansformer (MELTR), a plug-in module that automatically and non-linearly combines various loss functions to aid learning the target task via auxiliary learning.

Auxiliary Learning Multimodal Sentiment Analysis +10

Relation-Aware Language-Graph Transformer for Question Answering

1 code implementation2 Dec 2022 Jinyoung Park, Hyeong Kyu Choi, Juyeon Ko, Hyeonjin Park, Ji-Hoon Kim, Jisu Jeong, KyungMin Kim, Hyunwoo J. Kim

To address these issues, we propose Question Answering Transformer (QAT), which is designed to jointly reason over language and graphs with respect to entity relations in a unified manner.

Question Answering Relation

TokenMixup: Efficient Attention-guided Token-level Data Augmentation for Transformers

1 code implementation14 Oct 2022 Hyeong Kyu Choi, Joonmyung Choi, Hyunwoo J. Kim

To this end, we propose TokenMixup, an efficient attention-guided token-level data augmentation method that aims to maximize the saliency of a mixed set of tokens.

Data Augmentation Image Classification

Consistency Learning via Decoding Path Augmentation for Transformers in Human Object Interaction Detection

1 code implementation CVPR 2022 Jihwan Park, Seungjun Lee, Hwan Heo, Hyeong Kyu Choi, Hyunwoo J. Kim

Motivated by various inference paths for HOI detection, we propose cross-path consistency learning (CPC), which is a novel end-to-end learning strategy to improve HOI detection for transformers by leveraging augmented decoding paths.

Human-Object Interaction Detection object-detection +1

Stock Price Correlation Coefficient Prediction with ARIMA-LSTM Hybrid Model

3 code implementations5 Aug 2018 Hyeong Kyu Choi

Predicting the price correlation of two assets for future time periods is important in portfolio optimization.

Portfolio Optimization

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