Wei Chen

ORCID: 0000-0002-4069-6423
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About
Contact & Profiles
Research Areas
  • Topic Modeling
  • Natural Language Processing Techniques
  • Sentiment Analysis and Opinion Mining
  • Advanced Text Analysis Techniques
  • Multimodal Machine Learning Applications
  • Text and Document Classification Technologies
  • Alzheimer's disease research and treatments
  • Polymer crystallization and properties
  • Energy Load and Power Forecasting
  • Educational and Technological Research
  • Domain Adaptation and Few-Shot Learning
  • Complex Systems and Time Series Analysis
  • Statistical and Computational Modeling
  • Morphological variations and asymmetry
  • Amyotrophic Lateral Sclerosis Research
  • Hearing, Cochlea, Tinnitus, Genetics
  • Speech Recognition and Synthesis
  • Visual perception and processing mechanisms
  • Hybrid Renewable Energy Systems
  • Parkinson's Disease Mechanisms and Treatments
  • Advanced Image and Video Retrieval Techniques
  • Rheology and Fluid Dynamics Studies
  • Synthetic Organic Chemistry Methods
  • Speech and dialogue systems
  • Traditional and Medicinal Uses of Annonaceae

Peking University
2014-2024

Weihai Maternal and Child Health Hospital
2022

Weihai Municipal Hospital
2022

Qingdao University
2010-2022

Shanghai University of Finance and Economics
2022

Chongqing University
2022

Amazon (Germany)
2021

Institute of Computing Technology
2020

Chinese Academy of Sciences
2017-2020

Guangdong University of Technology
2020

Unsupervised neural machine translation (NMT) is a recently proposed approach for which aims to train the model without using any labeled data. The models unsupervised NMT often use only one shared encoder map pairs of sentences from different languages shared-latent space, weak in keeping unique and internal characteristics each language, such as style, terminology, sentence structure. To address this issue, we introduce an extension by utilizing two independent encoders but sharing some...

10.18653/v1/p18-1005 article EN cc-by Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) 2018-01-01

Abstract A type II intramolecular oxidopyrylium‐mediated [5+2] cycloaddition reaction allows the efficient and diastereoselective formation of various highly functionalized synthetically challenging bridged seven‐membered ring systems (such as bicyclo[4.4.1]undecane, bicyclo[4.3.1]decane, bicyclo[5.4.1]dodecane, bicyclo[6.4.1]]tridecane). This simple, thermal, direct transformation has a broad substrate scope is high yielding, with functional‐group tolerance unique endo selectivity. The...

10.1002/ange.201410806 article EN Angewandte Chemie 2014-12-10

Stock forecast is a crucial yet challenging task in modern quantitative trading. Given theoretical and investment merits, recently variety of deep learning methods have been proposed for automatically simulating stock movements from historical time series. However, these typically follow the i.i.d. assumption that actually contradicts complex trading environment. In reality, individual stocks often exhibit diverse volatility patterns, while macro market scenarios may also change over time,...

10.1109/tkde.2024.3374373 article EN IEEE Transactions on Knowledge and Data Engineering 2024-03-12

In many practical applications, neural machine translation systems have to deal with the input from automatic speech recognition (ASR) which may contain a certain number of errors. This leads two problems degrade performance. One is discrepancy between training and testing data other error caused by errors ruin whole translation. this paper, we propose method handle so as generate robust ASR First, simulate in that distribution test consistent. Second, focus on homophone words similar...

10.18653/v1/2020.autosimtrans-1.3 article EN cc-by 2020-01-01

Liqiang Xiao, Jun Ma, Xin Luna Dong, Pascual Martínez-Gómez, Nasser Zalmout, Wei Chen, Tong Zhao, Hao He, Yaohui Jin. Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing. 2021.

10.18653/v1/2021.emnlp-main.280 article EN cc-by Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing 2021-01-01

Learning semantic sentence embeddings is beneficial to a variety of natural language processing tasks. Recently, methods using the contrastive learning framework fine-tune pre-trained models have been proposed and achieved significant performance on embeddings. However, are easy “overfit” goal. With training learning, gap between test tasks leads unstable even declining For this reason, existing rely labeled development set frequently evaluate get best checkpoints. In such way, limited when...

10.1109/taslp.2022.3203209 article EN IEEE/ACM Transactions on Audio Speech and Language Processing 2022-01-01

Cross-domain Consultation Systems have become essential in numerous critical applications, for instance, an online citizen complaint system. However, addressing complaints with distinct orality characteristics often necessitates retrieving and integrating knowledge from diverse professional domains. This scenario represents a typical cross-domain problem. Nevertheless, the prevailing approach of utilizing generative large language models to tackle this problem presents challenges including...

10.1109/access.2024.3395330 article EN cc-by-nc-nd IEEE Access 2024-01-01

Multi-label few-shot image recognition aims to identify multiple unseen objects using only a handful of examples. Recent methods typically tune pre-trained vision-language models with shared or class-specific prompts. However, they still have drawbacks. Tuning prompt is insufficient for all samples especially when the tasks are complex and tuning specific prompts each class inevitable lose generalization ability, thus failing capture diverse visual knowledge. To address these issues, we...

10.1145/3627673.3679963 article EN 2024-10-20

Motivation: Most fMRI column studies don’t consider the potentially different laminar responses along cortical depth. Goal(s): In this work, we demonstrate feasibility of mapping ocular dominance columns (ODCs) at multiple depths in cat visual cortex using CBV-weighted fMRI. Approach: To enable monocular input to either eye a cat, customized goggle that can avoid light leakage and switch eyes easily. Results: By employing mesoscopic ultrahigh magnetic field (9.4 Tesla), observed...

10.58530/2024/3136 article EN Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition 2024-11-26

Generating qualitative responses has always been a challenge for human-computer dialogue systems. Existing systems generally derive from either retrieval-based or generative-based approaches, both of which have their own pros and cons. Despite the natural idea an ensemble model two, existing methods only focused on leveraging one approach to enhance another, we argue however that they can be further mutually enhanced with proper training strategy. In this paper, propose ensembleGAN,...

10.48550/arxiv.2004.14592 preprint EN other-oa arXiv (Cornell University) 2020-01-01

Domain adaptation on time series data is an important but challenging task. Most of the existing works in this area are based learning domain-invariant representation with help restrictions like MMD. However, such extraction a non-trivial task for data, due to complex dependence among timestamps. In detail, fully dependent series, small change lags or offsets may lead difficulty domain invariant extraction. Fortunately, stability causality inspired us explore structure data. To reduce...

10.48550/arxiv.2012.11797 preprint EN other-oa arXiv (Cornell University) 2020-01-01

Introduction At least 60% of cases severe hearing loss result from genetic factors. In this study screening was carried out for common deafness in women childbearing age to prevent and birth defects via providing counseling follow-up services high-risk families. Material methods total 60,391 pre-pregnancy/early-gestation who received treatment second-level or above hospitals Weihai February 2017 December 2019 were selected. Venous peripheral blood collected make dried slices on filter paper...

10.5114/aoms/146024 article EN cc-by-nc-sa Archives of Medical Science 2022-02-03
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