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description: Explore the YOLODataset and SemanticDataset classes in YOLO data. Learn how to efficiently handle and manipulate your data with Ultralytics.
keywords: Ultralytics, YOLO, YOLODataset, SemanticDataset, data handling, data manipulation
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# Reference for `ultralytics/data/dataset.py`

!!! note

    Full source code for this file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/data/dataset.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/data/dataset.py). Help us fix any issues you see by submitting a [Pull Request](https://docs.ultralytics.com/help/contributing/) 🛠️. Thank you 🙏!

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## ::: ultralytics.data.dataset.YOLODataset
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## ::: ultralytics.data.dataset.ClassificationDataset
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## ::: ultralytics.data.dataset.SemanticDataset
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## ::: ultralytics.data.dataset.load_dataset_cache_file
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## ::: ultralytics.data.dataset.save_dataset_cache_file
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