Search Results for author: Yihao Fang

Found 9 papers, 3 papers with code

HGOT: Hierarchical Graph of Thoughts for Retrieval-Augmented In-Context Learning in Factuality Evaluation

1 code implementation14 Feb 2024 Yihao Fang, Stephen W. Thomas, Xiaodan Zhu

With the widespread adoption of large language models (LLMs) in numerous applications, the challenge of factuality and the propensity for hallucinations raises significant concerns.

Answer Selection In-Context Learning +1

ChatGPT as Data Augmentation for Compositional Generalization: A Case Study in Open Intent Detection

1 code implementation25 Aug 2023 Yihao Fang, Xianzhi Li, Stephen W. Thomas, Xiaodan Zhu

Open intent detection, a crucial aspect of natural language understanding, involves the identification of previously unseen intents in user-generated text.

Data Augmentation Natural Language Understanding +1

Intrinsic and extrinsic deep learning on manifolds

no code implementations16 Feb 2023 Yihao Fang, Ilsang Ohn, Vijay Gupta, Lizhen Lin

We propose extrinsic and intrinsic deep neural network architectures as general frameworks for deep learning on manifolds.

Extrinsic Bayesian Optimizations on Manifolds

no code implementations21 Dec 2022 Yihao Fang, Mu Niu, Pokman Cheung, Lizhen Lin

We propose an extrinsic Bayesian optimization (eBO) framework for general optimization problems on manifolds.

Bayesian Optimization Gaussian Processes +1

Exploring Robustness of Prefix Tuning in Noisy Data: A Case Study in Financial Sentiment Analysis

no code implementations26 Oct 2022 Sudhandar Balakrishnan, Yihao Fang, Xioadan Zhu

The invention of transformer-based models such as BERT, GPT, and RoBERTa has enabled researchers and financial companies to finetune these powerful models and use them in different downstream tasks to achieve state-of-the-art performance.

Sentiment Analysis

Training Graph Neural Networks by Graphon Estimation

no code implementations4 Sep 2021 Ziqing Hu, Yihao Fang, Lizhen Lin

In this work, we propose to train a graph neural network via resampling from a graphon estimate obtained from the underlying network data.

Graphon Estimation

Optimization of Graph Neural Networks with Natural Gradient Descent

1 code implementation21 Aug 2020 Mohammad Rasool Izadi, Yihao Fang, Robert Stevenson, Lizhen Lin

In this work, we propose to employ information-geometric tools to optimize a graph neural network architecture such as the graph convolutional networks.

Node Classification

CacheNet: A Model Caching Framework for Deep Learning Inference on the Edge

no code implementations3 Jul 2020 Yihao Fang, Shervin Manzuri Shalmani, Rong Zheng

Inference of uncompressed large scale DNN models can only run in the cloud with extra communication latency back and forth between cloud and end devices, while compressed DNN models achieve real-time inference on end devices at the price of lower predictive accuracy.

Image Classification speech-recognition +1

Logographic Subword Model for Neural Machine Translation

no code implementations7 Sep 2018 Yihao Fang, Rong Zheng, Xiaodan Zhu

A novel logographic subword model is proposed to reinterpret logograms as abstract subwords for neural machine translation.

Machine Translation Translation

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