http://library.istella.it/dataset/istella-letor-LA.txthttp://library.istella.it/dataset/istella-letor-LA.txt
The Istella LETOR full dataset is composed of 33,018 queries and 220 features representing each query-document pair. It consists of 10,454,629 examples labeled with relevance judgments ranging from 0 (irrelevant) to 4 (perfectly relevant). The average number of per-query examples is 316. It has been splitted in train and test sets according to a 80%-20% scheme.
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Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
License information was derived automatically
## Overview
Letter Recognition is a dataset for object detection tasks - it contains A B C D E F G H I J K L M N O P annotations for 2,860 images.
## Getting Started
You can download this dataset for use within your own projects, or fork it into a workspace on Roboflow to create your own model.
## License
This dataset is available under the [CC BY 4.0 license](https://creativecommons.org/licenses/CC BY 4.0).
Source:
Creator: David J. Slate Odesta Corporation; 1890 Maple Ave; Suite 115; Evanston, IL 60201 Donor: David J. Slate (dave '@' math.nwu.edu) (708) 491-3867
Data Set Information:
The objective is to identify each of a large number of black-and-white rectangular pixel displays as one of the 26 capital letters in the English alphabet. The character images were based on 20 different fonts and each letter within these 20 fonts was randomly distorted to produce a file of 20… See the full description on the dataset page: https://huggingface.co/datasets/wwydmanski/tabular-letter-recognition.
Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
License information was derived automatically
## Overview
Sign Language Letter Recognition is a dataset for object detection tasks - it contains Letters annotations for 1,720 images.
## Getting Started
You can download this dataset for use within your own projects, or fork it into a workspace on Roboflow to create your own model.
## License
This dataset is available under the [CC BY 4.0 license](https://creativecommons.org/licenses/CC BY 4.0).
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