Search Results for author: Haotian Xu

Found 20 papers, 5 papers with code

Crossroads, Buildings and Neighborhoods: A Dataset for Fine-grained Location Recognition

1 code implementation NAACL 2022 Pei Chen, Haotian Xu, Cheng Zhang, Ruihong Huang

General domain Named Entity Recognition (NER) datasets like CoNLL-2003 mostly annotate coarse-grained location entities such as a country or a city.

named-entity-recognition Named Entity Recognition +1

Interpretable Contrastive Monte Carlo Tree Search Reasoning

no code implementations2 Oct 2024 Zitian Gao, Boye Niu, Xuzheng He, Haotian Xu, Hongzhang Liu, Aiwei Liu, Xuming Hu, Lijie Wen

Thus, we conducted extensive ablation studies and quantitative analysis on components of MCTS, revealing the impact of each component on the MCTS reasoning performance of LLMs.

Inference for Large Scale Regression Models with Dependent Errors

no code implementations8 Sep 2024 Lionel Voirol, Haotian Xu, Yuming Zhang, Luca Insolia, Roberto Molinari, Stéphane Guerrier

While machine learning has scaled to achieve predictive accuracy in big data settings, statistical inference and uncertainty quantification tools are still lagging.

Gaussian Processes regression +2

Beyond Instruction Following: Evaluating Inferential Rule Following of Large Language Models

no code implementations11 Jul 2024 Wangtao Sun, Chenxiang Zhang, Xueyou Zhang, Ziyang Huang, Haotian Xu, Pei Chen, Shizhu He, Jun Zhao, Kang Liu

Although Large Language Models (LLMs) have demonstrated strong instruction-following ability, they are further supposed to be controlled and guided by rules in real-world scenarios to be safe, accurate, and intelligent.

Instruction Following

Exploring Data Efficiency in Zero-Shot Learning with Diffusion Models

no code implementations5 Jun 2024 Zihan Ye, Shreyank N. Gowda, Xiaobo Jin, Xiaowei Huang, Haotian Xu, Yaochu Jin, Kaizhu Huang

For class-level effectiveness, we design a two-branch generation structure that consists of a Diffusion-based Feature Generator (DFG) and a Diffusion-based Representation Generator (DRG).

Generalized Zero-Shot Learning

FedFa: A Fully Asynchronous Training Paradigm for Federated Learning

no code implementations17 Apr 2024 Haotian Xu, Zhaorui Zhang, Sheng Di, Benben Liu, Khalid Ayed Alharthi, Jiannong Cao

We propose a full asynchronous training paradigm, called FedFa, which can guarantee model convergence and eliminate the waiting time completely for federated learning by using a few buffered results on the server for parameter updating.

Federated Learning

EMONA: Event-level Moral Opinions in News Articles

1 code implementation2 Apr 2024 Yuanyuan Lei, Md Messal Monem Miah, Ayesha Qamar, Sai Ramana Reddy, Jonathan Tong, Haotian Xu, Ruihong Huang

This paper initiates a new task to understand moral opinions towards events in news articles.

Brain-on-Switch: Towards Advanced Intelligent Network Data Plane via NN-Driven Traffic Analysis at Line-Speed

1 code implementation17 Mar 2024 Jinzhu Yan, Haotian Xu, Zhuotao Liu, Qi Li, Ke Xu, Mingwei Xu, Jianping Wu

Many types of NNs (such as Recurrent Neural Network (RNN), and transformers) that are designed to work with sequential data have advantages over tree-based models, because they can take raw network data as input without complex feature computations on the fly.

ItD: Large Language Models Can Teach Themselves Induction through Deduction

no code implementations9 Mar 2024 Wangtao Sun, Haotian Xu, Xuanqing Yu, Pei Chen, Shizhu He, Jun Zhao, Kang Liu

Although Large Language Models (LLMs) are showing impressive performance on a wide range of Natural Language Processing tasks, researchers have found that they still have limited ability to conduct induction.

High-Performance Distributed Control for Large-Scale Linear Systems: A Partitioned Distributed Observer Approach

no code implementations10 Feb 2024 Haotian Xu, Shuai Liu, Ling Shi

In recent years, the distributed-observer-based distributed control law has shown powerful ability to arbitrarily approximate the centralized control performance.

LEMMA

DexCatch: Learning to Catch Arbitrary Objects with Dexterous Hands

no code implementations13 Oct 2023 Fengbo Lan, Shengjie Wang, Yunzhe Zhang, Haotian Xu, Oluwatosin Oseni, Ziye Zhang, Yang Gao, Tao Zhang

Achieving human-like dexterous manipulation remains a crucial area of research in robotics.

No Train Still Gain. Unleash Mathematical Reasoning of Large Language Models with Monte Carlo Tree Search Guided by Energy Function

no code implementations1 Sep 2023 Haotian Xu

Large language models (LLMs) demonstrate impressive language understanding and contextual learning abilities, making them suitable for natural language processing (NLP) tasks and complex mathematical reasoning.

GSM8K Mathematical Reasoning

CValues: Measuring the Values of Chinese Large Language Models from Safety to Responsibility

1 code implementation19 Jul 2023 Guohai Xu, Jiayi Liu, Ming Yan, Haotian Xu, Jinghui Si, Zhuoran Zhou, Peng Yi, Xing Gao, Jitao Sang, Rong Zhang, Ji Zhang, Chao Peng, Fei Huang, Jingren Zhou

In this paper, we present CValues, the first Chinese human values evaluation benchmark to measure the alignment ability of LLMs in terms of both safety and responsibility criteria.

Efficient Exploration Using Extra Safety Budget in Constrained Policy Optimization

no code implementations28 Feb 2023 Haotian Xu, Shengjie Wang, Zhaolei Wang, Yunzhe Zhang, Qing Zhuo, Yang Gao, Tao Zhang

In the early stage, our method loosens the practical constraints of unsafe transitions (adding extra safety budget) with the aid of a new metric we propose.

Efficient Exploration Reinforcement Learning (RL)

A Policy Optimization Method Towards Optimal-time Stability

no code implementations2 Jan 2023 Shengjie Wang, Fengbo Lan, Xiang Zheng, Yuxue Cao, Oluwatosin Oseni, Haotian Xu, Tao Zhang, Yang Gao

In current model-free reinforcement learning (RL) algorithms, stability criteria based on sampling methods are commonly utilized to guide policy optimization.

Reinforcement Learning (RL)

VizInspect Pro -- Automated Optical Inspection (AOI) solution

no code implementations26 May 2022 Faraz Waseem, Sanjit Menon, Haotian Xu, Debashis Mondal

Traditional vision based Automated Optical Inspection (referred to as AOI in paper) systems present multiple challenges in factory settings including inability to scale across multiple product lines, requirement of vendor programming expertise, little tolerance to variations and lack of cloud connectivity for aggregated insights.

Self-Learning

Joint Bayesian Gaussian discriminant analysis for speaker verification

no code implementations13 Dec 2016 Yiyan Wang, Haotian Xu, Zhijian Ou

State-of-the-art i-vector based speaker verification relies on variants of Probabilistic Linear Discriminant Analysis (PLDA) for discriminant analysis.

Face Verification Speaker Verification

Joint Stochastic Approximation learning of Helmholtz Machines

no code implementations20 Mar 2016 Haotian Xu, Zhijian Ou

Though with progress, model learning and performing posterior inference still remains a common challenge for using deep generative models, especially for handling discrete hidden variables.

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