Add Big Patent dataset
CONTRIBUTOR
@lhoestq reduced the dummy data size to around 19MB in total and added the dataset card.
2020-12-04T16:37:15Z
https://github.com/huggingface/datasets/pull/1087#issuecomment-738883893
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2020-12-04T16:37:15Z
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CONTRIBUTOR
@lhoestq so I ended up removing all the nested JSON objects in the gz datafile and keep only one object with minimal content: `{"publication_number": "US-8230922-B2", "abstract": "dummy abstract", "application_number": "US-201113163519-A", "description": "dummy description"}`. 

They're reduced to 35KB in total (2.5KB per domain and 17.5KB for all domains), hopefully, they're small enough.
2020-12-05T04:37:44Z
https://github.com/huggingface/datasets/pull/1087#issuecomment-739124397
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2020-12-05T04:40:08Z
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* More info on the dataset: https://evasharma.github.io/bigpatent/
* There's another raw version of the dataset available from tfds. However, they're quite large so I don't have the resources to fully test all the configs for that version yet. We'll try to add it later.