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README.md

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-# Dataset Card for "mc4_dedup"
+# MC4-PT (deduplicated)
 
-[More Information needed](https://github.com/huggingface/datasets/blob/main/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
+MC4-PT is the is the portuguese subset from [MC4](http://arxiv.org/abs/2010.11934).
+MC4 is a multilingual colossal, cleaned version of Common Crawl's web crawl corpus. Based on Common Crawl dataset: "https://commoncrawl.org".
+
+
+This version is deduplicated using MinHash algorithm and Locality Sensitive Hashing, following the approach of Lee et al. (2022). The raw version is also available [here](https://huggingface.co/datasets/eduagarcia/mc4-pt).
+
+## Data Collection and Processing
+
+We used 5-grams and a signature of size 256, considering two documents to be identical if their Jaccard Similarity exceeded 0.7.