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CV

• ghcn
• climate_sphere
• ModelNet40
• Shrec17 data + label
• cosmo Spherical convergence maps dataset | Zenodo

Classification

• Fashion-MNIST
• ImageNet
• CIFAR-10 + CIFAR-100
• CelebA Dataset
• MS-Celeb-1M
• SVHN The Street View House Numbers (SVHN) Dataset
• Open Images Dataset

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NLP

Sentiment Analysis

• Large Movie Review Dataset (IMDB)
• Sentiment140 (STS)

Text Classification

• Twenty Newsgroups

Dialogue Generation

• Reddit-Thread Dataset
• SimpleQuestions (v2)
• Web data: Amazon reviews
• The WikiText Long Term Dependency Language Modeling Dataset

其他

• WordNet
• Yelp

Audio

• The Flickr Audio Caption Corpus

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Multi-Modal

Classification

• Multi-Modal Sarcasm Detection in Twitter with Hierarchical Fusion Model (2019)
• MUStARD: Multimodal Sarcasm Detection Dataset (ACL, 2019)
• CMU-Multimodal SDK
• UR-FUNNY
• CH-SIMS: A Chinese Multimodal Sentiment Analysis Dataset with Fine-grained Annotations of Modality (2020)
• Iemocap: interactive emotional dyadic motion capture database (2008)
• MM-IMDB

Search & Matching

• IAPR TC-12
• Nus-wide
• BriVL (2021)

Image Captioning

• Flickr8k Dataset
• Flickr 30k Dataset
• COCO Dataset (2015)
• Conceptual Captions Dataset (2018)

VisualQA

• VisualQA

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Tri-Modal

• How2: A Large-scale Dataset for Multimodal Language Understanding

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其他

• SVLD: The Social Vision and Language Dataset
• https://dubbel.eecs.berkeley.edu/minio/login
• AI-NLP-ML GROUP
• https://dumps.wikimedia.org/backup-index-bydb.html
• 汉语语料库

中文NLP数据集搜索（命名实体识别、文本分类、文本摘要）
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参考资料

1. 如何优雅地使用数据标注众包平台？——Amazon Mechanical Turk使用指南
2. Datasets for Natural Language Processing
3. nlp_chinese_corpus
4. nlp-datasets
5. 10大行业公开数据免费下载：电商行业
6. 数据集大全：25个深度学习的开放数据集
7. 深度学习开源数据集