metadata

license: odc-by
task_categories:
  - text-generation
language:
  - zh
  - en
size_categories:
  - 100B<n<1T
extra_gated_fields:
  Name: text
  Affiliation: text
  Email: text

Dataset Card for Oasis-Corpus

Dataset Description

Oasis-Corpus is a 783GB high-quality bilingual corpus.

All data in Oasis-Corpus are built by Oasis and sourced from Common Crawl. It consists of 374GB of Chinese from 17 recent dumps and 409GB of English textual data from 5 dumps.

Languages

English(409GB, 70,121,125 lines) and Chinese(374GB, 110,580,964 lines)

Data Splits

Language	Dump	docs	size
Chinese	cc-may-jun-2023-zh	5,627,020	19.31 GB
	cc-mar-apr-2023-zh	5,548,376	19.22 GB
	cc-jan-feb-2023-zh	5,369,296	18.55 GB
	cc-sep-oct-2022-zh	6,156,501	20.86 GB
	cc-aug-2022-zh	4,971,629	17.14 GB
	cc-jun-jul-2022-zh	5,566,643	18.85 GB
	cc-may-2022-zh	6,408,203	21.53 GB
	cc-jan-2022-zh	6,853,895	22.70 GB
	cc-oct-2021-zh	7,975,739	26.35 GB
	cc-sep-2021-zh	7,371,460	24.69 GB
	cc-jul-aug-2021-zh	6,643,794	22.17 GB
	cc-jun-2021-zh	6,509,108	22.25 GB
	cc-may-2021-zh	5,142,078	17.63 GB
	cc-apr-2021-zh	7,284,775	24.32 GB
	cc-jan-2021-zh	8,133,760	27.19 GB
	cc-nov-dec-2020-zh	6,834,254	23.49 GB
	cc-oct-2020-zh	8,184,433	27.40 GB
English	cc-may-jun-2023-en	15,712,655	90.74 GB
	cc-may-2022-en	14,728,252	81.81 GB
	cc-jun-jul-2022-en	14,124,173	81.66 GB
	cc-jan-2022-en	12,686,195	78.67 GB
	cc-oct-2021-en	12,869,850	75.24 GB

Dataset Structure

Data Fields

text:the processed and cleaned text contained in the page
timestamp:timestamp of when the webpage was crawled by CommonCrawl
url:the url of the webpage crawled to produce the sample

Dataset Creation

(1) Ungoliant Content Extraction
(2) Rule Filter
(3) Neural Filter
(4) Document Deduplication

Contact

The Laboratory of Cognition and Decision Intelligence for Complex Systems. Institute of Automation, Chinese Academy of Sciences

[email protected]