Update README.md for coh-metrix dataset

README.md

@@ -1,3 +1,24 @@
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 license: cc-by-sa-4.0
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+## About this dataset
+
+The dataset Coh-Metrix-Esp (Cuentos) [(Quispesaravia et al., 2016)](https://aclanthology.org/L16-1745/) is a collection of 100 documents consisting of 50 children fables (“simple” texts) and 50 stories for adults (“complex” texts) scrapped from the web. If you use this data, please credit the original website and our work as well.
+
+## Citation 
+
+If you use our splits in your research, please cite our work: "[A Benchmark for Neural Readability Assessment of Texts in Spanish](https://drive.google.com/file/d/1KdwvqrjX8MWYRDGBKeHmiR1NCzDcVizo/view?usp=share_link)". 
+```
+@inproceedings{vasquez-rodriguez-etal-2022-benchmarking,
+    title = "A Benchmark for Neural Readability Assessment of Texts in Spanish",
+    author = "V{\'a}squez-Rodr{\'\i}guez, Laura  and
+      Cuenca-Jim{\'\e}nez, Pedro-Manuel and
+      Morales-Esquivel, Sergio Esteban and
+      Alva-Manchego, Fernando",
+    booktitle = "Workshop on Text Simplification, Accessibility, and Readability (TSAR-2022), EMNLP 2022",
+    month = dec,
+    year = "2022",
+}
+```
+
+You can also find more details about the project in our [GitHub](https://github.com/lmvasque/readability-es-benchmark).