Create README.md

This repository contains datasets curated by Mikhail Nefedov for the evaluation of keyword extraction in Russian. The datasets aim to provide diverse sources for assessing keyword extraction models.

## Initial Dataset URL
The original dataset is available at: https://github.com/mannefedov/ru_kw_eval_datasets

## Acknowledgments
Special thanks to Mikhail Nefedov for collecting and sharing these datasets.

The dataset is uploaded on Hugging Face for for simplified dataset usage.

README.md

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+---
+task_categories:
+- summarization
+language:
+- ru
+pretty_name: Datasets for evaluation of keyword extraction in Russian
+size_categories:
+- 10K<n<100K
+---