Search Results for author: Wen Zhao

Found 10 papers, 4 papers with code

Mamba as Decision Maker: Exploring Multi-scale Sequence Modeling in Offline Reinforcement Learning

1 code implementation4 Jun 2024 Jiahang Cao, Qiang Zhang, Ziqing Wang, Jiaxu Wang, Hao Cheng, Yecheng Shao, Wen Zhao, Gang Han, Yijie Guo, Renjing Xu

Sequential modeling has demonstrated remarkable capabilities in offline reinforcement learning (RL), with Decision Transformer (DT) being one of the most notable representatives, achieving significant success.

OpenAI Gym Reinforcement Learning (RL)

Labels Need Prompts Too: Mask Matching for Natural Language Understanding Tasks

no code implementations14 Dec 2023 Bo Li, Wei Ye, Quansen Wang, Wen Zhao, Shikun Zhang

Textual label names (descriptions) are typically semantically rich in many natural language understanding (NLU) tasks.

Natural Language Understanding

Evaluating ChatGPT's Information Extraction Capabilities: An Assessment of Performance, Explainability, Calibration, and Faithfulness

1 code implementation23 Apr 2023 Bo Li, Gexiang Fang, Yang Yang, Quansen Wang, Wei Ye, Wen Zhao, Shikun Zhang

The capability of Large Language Models (LLMs) like ChatGPT to comprehend user intent and provide reasonable responses has made them extremely popular lately.

Eliciting Knowledge from Pretrained Language Models for Prototypical Prompt Verbalizer

1 code implementation14 Jan 2022 Yinyi Wei, Tong Mo, Yongtao Jiang, Weiping Li, Wen Zhao

The distances between the embedding at the masked position of input and prototypical embeddings are used as classification criterion.

Contrastive Learning Language Modelling +3

Frequency-Aware Contrastive Learning for Neural Machine Translation

no code implementations29 Dec 2021 Tong Zhang, Wei Ye, Baosong Yang, Long Zhang, Xingzhang Ren, Dayiheng Liu, Jinan Sun, Shikun Zhang, Haibo Zhang, Wen Zhao

Inspired by the observation that low-frequency words form a more compact embedding space, we tackle this challenge from a representation learning perspective.

Contrastive Learning Machine Translation +3

Spherically symmetric static black holes in Einstein-aether theory

no code implementations13 Apr 2020 Chao Zhang, Xiang Zhao, Kai Lin, Shaojun Zhang, Wen Zhao, Anzhong Wang

In particular, we find that, out of the five non-trivial field equations, only three are independent, so the problem is well-posed, as now generically there are only three unknown functions, {$F(r), B(r), A(r)$, where $F$ and $B$ are metric coefficients, and $A$ describes the aether field.}

General Relativity and Quantum Cosmology Astrophysics of Galaxies High Energy Physics - Phenomenology High Energy Physics - Theory

Collaborative representation-based robust face recognition by discriminative low-rank representation

no code implementations17 Dec 2019 Wen Zhao, Xiao-Jun Wu, He-Feng Yin, Zi-Qi Li

Collaborative representation based classification (CRC) method is exploited in our proposed method which has closed-form solution.

Face Recognition General Classification +2

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