Search Results for author: Yucheng Shi

Found 17 papers, 8 papers with code

Extract and Merge: Superpixel Segmentation with Regional Attributes

no code implementations ECCV 2020 Jianqiao An, Yucheng Shi, Yahong Han, Meijun Sun, Qi Tian

For a certain object in an image, the relationship between its central region and the peripheral region is not well utilized in existing superpixel segmentation methods.

Attribute Superpixels

Quantifying Multilingual Performance of Large Language Models Across Languages

no code implementations17 Apr 2024 Zihao Li, Yucheng Shi, Zirui Liu, Fan Yang, Ninghao Liu, Mengnan Du

However, currently there is no work to quantitatively measure the performance of LLMs in low-resource languages.

Retrieval-Enhanced Knowledge Editing for Multi-Hop Question Answering in Language Models

no code implementations28 Mar 2024 Yucheng Shi, Qiaoyu Tan, Xuansheng Wu, Shaochen Zhong, Kaixiong Zhou, Ninghao Liu

Large Language Models (LLMs) have shown proficiency in question-answering tasks but often struggle to integrate real-time knowledge updates, leading to potentially outdated or inaccurate responses.

Hallucination In-Context Learning +5

Usable XAI: 10 Strategies Towards Exploiting Explainability in the LLM Era

1 code implementation13 Mar 2024 Xuansheng Wu, Haiyan Zhao, Yaochen Zhu, Yucheng Shi, Fan Yang, Tianming Liu, Xiaoming Zhai, Wenlin Yao, Jundong Li, Mengnan Du, Ninghao Liu

Therefore, in this paper, we introduce Usable XAI in the context of LLMs by analyzing (1) how XAI can benefit LLMs and AI systems, and (2) how LLMs can contribute to the advancement of XAI.

Automated Natural Language Explanation of Deep Visual Neurons with Large Models

no code implementations16 Oct 2023 Chenxu Zhao, Wei Qian, Yucheng Shi, Mengdi Huai, Ninghao Liu

Deep neural networks have exhibited remarkable performance across a wide range of real-world tasks.

MedEdit: Model Editing for Medical Question Answering with External Knowledge Bases

no code implementations27 Sep 2023 Yucheng Shi, Shaochen Xu, Zhengliang Liu, Tianming Liu, Xiang Li, Ninghao Liu

Focusing on medical QA using the MedQA-SMILE dataset, we evaluate the impact of different retrieval models and the number of facts provided to the LLM.

In-Context Learning Model Editing +2

GiGaMAE: Generalizable Graph Masked Autoencoder via Collaborative Latent Space Reconstruction

1 code implementation18 Aug 2023 Yucheng Shi, Yushun Dong, Qiaoyu Tan, Jundong Li, Ninghao Liu

By considering embeddings encompassing graph topology and attribute information as reconstruction targets, our model could capture more generalized and comprehensive knowledge.

Attribute Self-Supervised Learning

ENGAGE: Explanation Guided Data Augmentation for Graph Representation Learning

1 code implementation3 Jul 2023 Yucheng Shi, Kaixiong Zhou, Ninghao Liu

Then, we design two data augmentation schemes on graphs for perturbing structural and feature information, respectively.

Contrastive Learning Data Augmentation +1

Could Small Language Models Serve as Recommenders? Towards Data-centric Cold-start Recommendations

1 code implementation29 Jun 2023 Xuansheng Wu, Huachi Zhou, Yucheng Shi, Wenlin Yao, Xiao Huang, Ninghao Liu

To evaluate our approach, we introduce a cold-start recommendation benchmark, and the results demonstrate that the enhanced small language models can achieve comparable cold-start recommendation performance to that of large models with only $17\%$ of the inference time.

In-Context Learning Language Modelling +2

Interpretation of Time-Series Deep Models: A Survey

no code implementations23 May 2023 Ziqi Zhao, Yucheng Shi, Shushan Wu, Fan Yang, WenZhan Song, Ninghao Liu

Deep learning models developed for time-series associated tasks have become more widely researched nowadays.

Time Series

ChatGraph: Interpretable Text Classification by Converting ChatGPT Knowledge to Graphs

1 code implementation3 May 2023 Yucheng Shi, Hehuan Ma, Wenliang Zhong, Qiaoyu Tan, Gengchen Mai, Xiang Li, Tianming Liu, Junzhou Huang

To tackle these limitations, we propose a novel framework that leverages the power of ChatGPT for specific tasks, such as text classification, while improving its interpretability.

Decision Making Language Modelling +3

Co-supervised learning paradigm with conditional generative adversarial networks for sample-efficient classification

1 code implementation27 Dec 2022 Hao Zhen, Yucheng Shi, Jidong J. Yang, Javad Mohammadpour Vehni

Classification using supervised learning requires annotating a large amount of classes-balanced data for model training and testing.

Generative Adversarial Network

Decision-based Black-box Attack Against Vision Transformers via Patch-wise Adversarial Removal

1 code implementation7 Dec 2021 Yucheng Shi, Yahong Han, Yu-an Tan, Xiaohui Kuang

On the other hand, the neglect of noise sensitivity differences between image regions by existing decision-based attacks further compromises the efficiency of noise compression, especially for ViTs.

Adversarial Robustness

Domain Adaptation without Model Transferring

no code implementations21 Jul 2021 Kunhong Wu, Yucheng Shi, Yahong Han, Yunfeng Shao, Bingshuai Li, Qi Tian

Existing unsupervised domain adaptation (UDA) methods can achieve promising performance without transferring data from source domain to target domain.

Unsupervised Domain Adaptation

Polishing Decision-Based Adversarial Noise With a Customized Sampling

no code implementations CVPR 2020 Yucheng Shi, Yahong Han, Qi Tian

We propose Customized Adversarial Boundary (CAB) attack that uses the current noise to model the sensitivity of each pixel and polish adversarial noise of each image with a customized sampling setting.

Adversarial Attack Image Classification

Curls & Whey: Boosting Black-Box Adversarial Attacks

1 code implementation CVPR 2019 Yucheng Shi, Siyu Wang, Yahong Han

On the one hand, existing iterative attacks add noises monotonically along the direction of gradient ascent, resulting in a lack of diversity and adaptability of the generated iterative trajectories.

Adversarial Attack

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