Search Results for author: Yejin Kim

Found 23 papers, 4 papers with code

Don’t Judge a Language Model by Its Last Layer: Contrastive Learning with Layer-Wise Attention Pooling

1 code implementation COLING 2022 Dongsuk Oh, Yejin Kim, Hodong Lee, H. Howie Huang, Heuiseok Lim

Recent pre-trained language models (PLMs) achieved great success on many natural language processing tasks through learning linguistic features and contextualized sentence representation.

Contrastive Learning Language Modelling +3

Stock Recommendations for Individual Investors: A Temporal Graph Network Approach with Diversification-Enhancing Contrastive Learning

no code implementations27 Mar 2024 Youngbin Lee, Yejin Kim, YongJae lee

Hence, the tricky point in stock recommendation is that recommendations should give good investment performance but also should not ignore individual preferences.

Contrastive Learning Recommendation Systems

Improving Content Recommendation: Knowledge Graph-Based Semantic Contrastive Learning for Diversity and Cold-Start Users

no code implementations27 Mar 2024 Yejin Kim, Scott Rome, Kevin Foley, Mayur Nankani, Rimon Melamed, Javier Morales, Abhay Yadav, Maria Peifer, Sardar Hamidian, H. Howie Huang

It is essential to provide recommendations that are both personalized and diverse, rather than solely relying on achieving high rank-based performance, such as Click-through Rate, Recall, etc.

Contrastive Learning Descriptive +4

Temporal Graph Networks for Graph Anomaly Detection in Financial Networks

no code implementations27 Mar 2024 Yejin Kim, Youngbin Lee, Minyoung Choe, Sungju Oh, YongJae lee

This paper explores the utilization of Temporal Graph Networks (TGN) for financial anomaly detection, a pressing need in the era of fintech and digitized financial transactions.

Fraud Detection Graph Anomaly Detection +1

A Recommender System for NFT Collectibles with Item Feature

no code implementations27 Mar 2024 Minjoo Choi, Seonmi Kim, Yejin Kim, Youngbin Lee, Joohwan Hong, YongJae lee

Recommender systems have been actively studied and applied in various domains to deal with information overload.

Recommendation Systems

A Temporal Graph Network Framework for Dynamic Recommendation

no code implementations24 Mar 2024 Yejin Kim, Youngbin Lee, Vincent Yuan, Annika Lee, YongJae lee

Recommender systems, crucial for user engagement on platforms like e-commerce and streaming services, often lag behind users' evolving preferences due to static data reliance.

Recommendation Systems

ERD: A Framework for Improving LLM Reasoning for Cognitive Distortion Classification

no code implementations21 Mar 2024 Sehee Lim, Yejin Kim, Chi-Hyun Choi, Jy-yong Sohn, Byung-Hoon Kim

Improving the accessibility of psychotherapy with the aid of Large Language Models (LLMs) is garnering a significant attention in recent years.

Specificity

Federated Learning for Estimating Heterogeneous Treatment Effects

no code implementations27 Feb 2024 Disha Makhija, Joydeep Ghosh, Yejin Kim

To overcome this obstacle, in this work, we propose a novel framework for collaborative learning of HTE estimators across institutions via Federated Learning.

Decision Making Federated Learning +1

Harmonic Mobile Manipulation

no code implementations11 Dec 2023 Ruihan Yang, Yejin Kim, Aniruddha Kembhavi, Xiaolong Wang, Kiana Ehsani

Recent advancements in robotics have enabled robots to navigate complex scenes or manipulate diverse objects independently.

Navigate

PROPANE: Prompt design as an inverse problem

1 code implementation13 Nov 2023 Rimon Melamed, Lucas H. McCabe, Tanay Wakhare, Yejin Kim, H. Howie Huang, Enric Boix-Adsera

Carefully-designed prompts are key to inducing desired behavior in Large Language Models (LLMs).

NFTs to MARS: Multi-Attention Recommender System for NFTs

no code implementations13 Jun 2023 Seonmi Kim, Youngbin Lee, Yejin Kim, Joohwan Hong, YongJae lee

Recommender systems have become essential tools for enhancing user experiences across various domains.

Graph Attention Multi-Task Learning +1

CancerGPT: Few-shot Drug Pair Synergy Prediction using Large Pre-trained Language Models

no code implementations18 Apr 2023 TianHao Li, Sandesh Shetty, Advaith Kamath, Ajay Jaiswal, Xianqian Jiang, Ying Ding, Yejin Kim

Large pre-trained language models (LLMs) have been shown to have significant potential in few-shot learning across various fields, even with minimal training data.

Few-Shot Learning

Don't Judge a Language Model by Its Last Layer: Contrastive Learning with Layer-Wise Attention Pooling

1 code implementation13 Sep 2022 Dongsuk Oh, Yejin Kim, Hodong Lee, H. Howie Huang, Heuiseok Lim

Recent pre-trained language models (PLMs) achieved great success on many natural language processing tasks through learning linguistic features and contextualized sentence representation.

Contrastive Learning Language Modelling +3

Scalable Causal Structure Learning: Scoping Review of Traditional and Deep Learning Algorithms and New Opportunities in Biomedicine

no code implementations15 Oct 2021 Pulakesh Upadhyaya, Kai Zhang, Can Li, Xiaoqian Jiang, Yejin Kim

Causal structure learning refers to a process of identifying causal structures from observational data, and it can have multiple applications in biomedicine and health care.

BIG-bench Machine Learning Causal Discovery +1

Relational graph convolutional networks for predicting blood-brain barrier penetration of drug molecules

1 code implementation4 Jul 2021 Yan Ding, Xiaoqian Jiang, Yejin Kim

The RGCN model achieved an overall accuracy of 0. 872, an AUROC of 0. 919 and an AUPRC of 0. 838 for the testing dataset with the drug-protein interactions and the Mordred descriptors as the input.

Texture Transform Attention for Realistic Image Inpainting

no code implementations8 Dec 2020 Yejin Kim, Manri Cheon, Junwoo Lee

Texture Transform Attention is used to create a new reassembled texture map using fine textures and coarse semantics that can efficiently transfer texture information as a result.

Image Inpainting

Drug repurposing for COVID-19 using graph neural network and harmonizing multiple evidence

no code implementations23 Sep 2020 Kanglin Hsieh, Yinyin Wang, Luyao Chen, Zhongming Zhao, Sean Savitz, Xiaoqian Jiang, Jing Tang, Yejin Kim

In summary, we demonstrated that the integration of extensive interactions, deep neural networks, and rigorous validation can facilitate the rapid identification of candidate drugs for COVID-19 treatment.

Combining Representation Learning with Tensor Factorization for Risk Factor Analysis - an application to Epilepsy and Alzheimer's disease

no code implementations14 May 2019 Xiaoqian Jiang, Samden Lhatoo, Guo-Qiang Zhang, Luyao Chen, Yejin Kim

Existing studies consider Alzheimer's disease (AD) a comorbidity of epilepsy, but also recognize epilepsy to occur more frequently in patients with AD than those without.

Representation Learning

Discriminative Sleep Patterns of Alzheimer's Disease via Tensor Factorization

no code implementations14 May 2019 Yejin Kim, Xiaoqian Jiang, Luyao Chen, Xiaojin Li, Licong Cui

Sleep change is commonly reported in Alzheimer's disease (AD) patients and their brain wave studies show decrease in dreaming and non-dreaming stages.

EEG

From Brain Imaging to Graph Analysis: a study on ADNI's patient cohort

no code implementations14 May 2019 Rui Zhang, Luca Giancardo, Danilo A. Pena, Yejin Kim, Hanghang Tong, Xiaoqian Jiang

In this paper, we studied the association between the change of structural brain volumes to the potential development of Alzheimer's disease (AD).

feature selection General Classification +1

Federated Tensor Factorization for Computational Phenotyping

no code implementations11 Apr 2017 Yejin Kim, Jimeng Sun, Hwanjo Yu, Xiaoqian Jiang

In this paper, we developed a novel solution to enable federated tensor factorization for computational phenotyping without sharing patient-level data.

Computational Phenotyping

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