Search Results for author: Ding Chen

Found 11 papers, 5 papers with code

Differentially Private Neural Network Training under Hidden State Assumption

no code implementations11 Jul 2024 Ding Chen, Chen Liu

We present a novel approach called differentially private stochastic block coordinate descent (DP-SBCD) for training neural networks with provable guarantees of differential privacy under the hidden state assumption.

xFinder: Robust and Pinpoint Answer Extraction for Large Language Models

1 code implementation20 May 2024 Qingchen Yu, Zifan Zheng, Shichao Song, Zhiyu Li, Feiyu Xiong, Bo Tang, Ding Chen

The continuous advancement of large language models (LLMs) has brought increasing attention to the critical issue of developing fair and reliable methods for evaluating their performance.

Noisy Spiking Actor Network for Exploration

no code implementations7 Mar 2024 Ding Chen, Peixi Peng, Tiejun Huang, Yonghong Tian

As a general method for exploration in deep reinforcement learning (RL), NoisyNet can produce problem-specific exploration strategies.

Continuous Control Efficient Exploration +2

Fully Spiking Actor Network with Intra-layer Connections for Reinforcement Learning

no code implementations9 Jan 2024 Ding Chen, Peixi Peng, Tiejun Huang, Yonghong Tian

Recently, the surrogate gradient method has been utilized for training multi-layer SNNs, which allows SNNs to achieve comparable performance with the corresponding deep networks in this task.

reinforcement-learning

Grimoire is All You Need for Enhancing Large Language Models

1 code implementation7 Jan 2024 Ding Chen, Shichao Song, Qingchen Yu, Zhiyu Li, Wenjin Wang, Feiyu Xiong, Bo Tang

In this paper, we propose a method SLEICL that involves learning from examples using strong language models and then summarizing and transferring these learned skills to weak language models for inference and application.

In-Context Learning

SpikingJelly: An open-source machine learning infrastructure platform for spike-based intelligence

1 code implementation25 Oct 2023 Wei Fang, Yanqi Chen, Jianhao Ding, Zhaofei Yu, Timothée Masquelier, Ding Chen, Liwei Huang, Huihui Zhou, Guoqi Li, Yonghong Tian

Spiking neural networks (SNNs) aim to realize brain-inspired intelligence on neuromorphic chips with high energy efficiency by introducing neural dynamics and spike properties.

Code Generation

Parallel Spiking Neurons with High Efficiency and Ability to Learn Long-term Dependencies

1 code implementation NeurIPS 2023 Wei Fang, Zhaofei Yu, Zhaokun Zhou, Ding Chen, Yanqi Chen, Zhengyu Ma, Timothée Masquelier, Yonghong Tian

Vanilla spiking neurons in Spiking Neural Networks (SNNs) use charge-fire-reset neuronal dynamics, which can only be simulated serially and can hardly learn long-time dependencies.

Randomized Coordinate Subgradient Method for Nonsmooth Composite Optimization

no code implementations30 Jun 2022 Lei Zhao, Ding Chen, Daoli Zhu, Xiao Li

For the case when $f$ is weakly convex and its subdifferential satisfies the global metric subregularity property, we derive the $\mathcal{O}(\varepsilon^{-4})$ iteration complexity in expectation.

LEMMA

Deep Reinforcement Learning with Spiking Q-learning

no code implementations21 Jan 2022 Ding Chen, Peixi Peng, Tiejun Huang, Yonghong Tian

With the help of special neuromorphic hardware, spiking neural networks (SNNs) are expected to realize artificial intelligence (AI) with less energy consumption.

Atari Games Q-Learning +3

Inverse and Quanto Inverse Options in a Black-Scholes World

no code implementations26 Jul 2021 Carol Alexander, Ding Chen, Arben Imeraj

Over 90% of exchange trading on crypto options has always been on the Deribit platform.

Time Series Analysis

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