---
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- config_name: Open Culture-BNL Newspapers (1841-1879)
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- config_name: Open Culture-Danish-PD
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- config_name: Open Culture-Dutch-PD
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- config_name: Open Culture-English-PD
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- config_name: Open Culture-Europeana
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- config_name: Open Culture-French-PD-Books
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- config_name: Open Culture-French-PD-Newspapers
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- config_name: Open Culture-French-PD-diverse
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- config_name: Open Culture-German-PD
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- config_name: Open Culture-German-PD-Newspapers
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- config_name: Open Culture-Greek-PD
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- config_name: Open Culture-Gutenberg
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- config_name: Open Culture-Italian-PD
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- config_name: Open Culture-Latin-PD
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- config_name: Open Culture-LoC-PD-Books
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- config_name: Open Culture-Multilingual-PD
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- config_name: Open Culture-NewZealand-PD-Newspapers
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- config_name: Open Culture-Polish-PD
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- config_name: Open Culture-Portuguese-PD
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- config_name: Open Culture-Spanish-PD-Books
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- config_name: Open Culture-Spanish-PD-Newspapers
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- config_name: Open Culture-US-PD-Books
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- config_name: Open Culture-US-PD-Newspapers
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- config_name: Open Culture-Wikisource
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- config_name: Open Government-Caselaw Access Project
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- config_name: Open Government-Court Listener
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- config_name: Open Government-Eurlex
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- config_name: Open Government-Eurovoc
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- config_name: Open Government-French Open Data
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- config_name: Open Government-Marianne-Europe
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- config_name: Open Government-OECD
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- config_name: Open Government-TEDEUTenders
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- config_name: Open Government-UN-Digital-Library
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- config_name: Open Government-USPTO
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  download_size: 1190122
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- config_name: Open Government-WTO
  features:
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  download_size: 179013
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- config_name: Open Science-French-Science-Pile
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- config_name: Open Science-German-Science-Pile
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- config_name: Open Science-Open-Science-Pile
  features:
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  download_size: 18078912
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- config_name: Open Science-OpenAlex
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- config_name: Open Science-Spanish-Science-Pile
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  download_size: 3020758
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- config_name: Open Web-StackExchange
  features:
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  splits:
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    num_examples: 270147
  download_size: 526462220
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- config_name: Open Web-Wikipedia
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    num_examples: 2135977
  download_size: 1607521609
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- config_name: Open Web-Youtube-Commons
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    dtype: string
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- config_name: all
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  splits:
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    num_bytes: 27579929217
    num_examples: 3206382
  download_size: 14558409167
  dataset_size: 27579929217
configs:
- config_name: None-None
  data_files:
  - split: train
    path: None-None/train-*
- config_name: Open Culture-BNL Newspapers (1841-1879)
  data_files:
  - split: train
    path: Open Culture-BNL Newspapers (1841-1879)/train-*
- config_name: Open Culture-Danish-PD
  data_files:
  - split: train
    path: Open Culture-Danish-PD/train-*
- config_name: Open Culture-Dutch-PD
  data_files:
  - split: train
    path: Open Culture-Dutch-PD/train-*
- config_name: Open Culture-English-PD
  data_files:
  - split: train
    path: Open Culture-English-PD/train-*
- config_name: Open Culture-Europeana
  data_files:
  - split: train
    path: Open Culture-Europeana/train-*
- config_name: Open Culture-French-PD-Books
  data_files:
  - split: train
    path: Open Culture-French-PD-Books/train-*
- config_name: Open Culture-French-PD-Newspapers
  data_files:
  - split: train
    path: Open Culture-French-PD-Newspapers/train-*
- config_name: Open Culture-French-PD-diverse
  data_files:
  - split: train
    path: Open Culture-French-PD-diverse/train-*
- config_name: Open Culture-German-PD
  data_files:
  - split: train
    path: Open Culture-German-PD/train-*
- config_name: Open Culture-German-PD-Newspapers
  data_files:
  - split: train
    path: Open Culture-German-PD-Newspapers/train-*
- config_name: Open Culture-Greek-PD
  data_files:
  - split: train
    path: Open Culture-Greek-PD/train-*
- config_name: Open Culture-Gutenberg
  data_files:
  - split: train
    path: Open Culture-Gutenberg/train-*
- config_name: Open Culture-Italian-PD
  data_files:
  - split: train
    path: Open Culture-Italian-PD/train-*
- config_name: Open Culture-Latin-PD
  data_files:
  - split: train
    path: Open Culture-Latin-PD/train-*
- config_name: Open Culture-LoC-PD-Books
  data_files:
  - split: train
    path: Open Culture-LoC-PD-Books/train-*
- config_name: Open Culture-Multilingual-PD
  data_files:
  - split: train
    path: Open Culture-Multilingual-PD/train-*
- config_name: Open Culture-NewZealand-PD-Newspapers
  data_files:
  - split: train
    path: Open Culture-NewZealand-PD-Newspapers/train-*
- config_name: Open Culture-Polish-PD
  data_files:
  - split: train
    path: Open Culture-Polish-PD/train-*
- config_name: Open Culture-Portuguese-PD
  data_files:
  - split: train
    path: Open Culture-Portuguese-PD/train-*
- config_name: Open Culture-Spanish-PD-Books
  data_files:
  - split: train
    path: Open Culture-Spanish-PD-Books/train-*
- config_name: Open Culture-Spanish-PD-Newspapers
  data_files:
  - split: train
    path: Open Culture-Spanish-PD-Newspapers/train-*
- config_name: Open Culture-US-PD-Books
  data_files:
  - split: train
    path: Open Culture-US-PD-Books/train-*
- config_name: Open Culture-US-PD-Newspapers
  data_files:
  - split: train
    path: Open Culture-US-PD-Newspapers/train-*
- config_name: Open Culture-Wikisource
  data_files:
  - split: train
    path: Open Culture-Wikisource/train-*
- config_name: Open Government-Caselaw Access Project
  data_files:
  - split: train
    path: Open Government-Caselaw Access Project/train-*
- config_name: Open Government-Court Listener
  data_files:
  - split: train
    path: Open Government-Court Listener/train-*
- config_name: Open Government-Eurlex
  data_files:
  - split: train
    path: Open Government-Eurlex/train-*
- config_name: Open Government-Eurovoc
  data_files:
  - split: train
    path: Open Government-Eurovoc/train-*
- config_name: Open Government-French Open Data
  data_files:
  - split: train
    path: Open Government-French Open Data/train-*
- config_name: Open Government-GATT_library
  data_files:
  - split: train
    path: Open Government-GATT_library/train-*
- config_name: Open Government-Marianne-Europe
  data_files:
  - split: train
    path: Open Government-Marianne-Europe/train-*
- config_name: Open Government-OECD
  data_files:
  - split: train
    path: Open Government-OECD/train-*
- config_name: Open Government-TEDEUTenders
  data_files:
  - split: train
    path: Open Government-TEDEUTenders/train-*
- config_name: Open Government-UN-Digital-Library
  data_files:
  - split: train
    path: Open Government-UN-Digital-Library/train-*
- config_name: Open Government-USPTO
  data_files:
  - split: train
    path: Open Government-USPTO/train-*
- config_name: Open Government-WTO
  data_files:
  - split: train
    path: Open Government-WTO/train-*
- config_name: Open Science-French-Science-Pile
  data_files:
  - split: train
    path: Open Science-French-Science-Pile/train-*
- config_name: Open Science-German-Science-Pile
  data_files:
  - split: train
    path: Open Science-German-Science-Pile/train-*
- config_name: Open Science-Open-Science-Pile
  data_files:
  - split: train
    path: Open Science-Open-Science-Pile/train-*
- config_name: Open Science-OpenAlex
  data_files:
  - split: train
    path: Open Science-OpenAlex/train-*
- config_name: Open Science-Spanish-Science-Pile
  data_files:
  - split: train
    path: Open Science-Spanish-Science-Pile/train-*
- config_name: Open Web-StackExchange
  data_files:
  - split: train
    path: Open Web-StackExchange/train-*
- config_name: Open Web-Wikipedia
  data_files:
  - split: train
    path: Open Web-Wikipedia/train-*
- config_name: Open Web-Youtube-Commons
  data_files:
  - split: train
    path: Open Web-Youtube-Commons/train-*
- config_name: all
  default: true
  data_files:
  - split: train
    path: all/train-*
task_categories:
- text-generation
language:
- nl
pretty_name: Common Corpus v2 NL
size_categories:
- 1M<n<10M
---
# Common Corpus v2 NL

This is a version of [Common Corpus v2](https://huggingface.co/datasets/PleIAs/common_corpus/) filtered to keep only the rows where `language` is `"Dutch"`.

Common Corpus is a very large open and permissible licensed text dataset created by [Pleias](https://pleias.fr).
Please be sure to acknowledge the creators of the [original dataset](https://huggingface.co/datasets/PleIAs/common_corpus) when using this filtered version.

## Filtering
Common Corpus is a collection of disparate datasets.
Note that filtering the entire collection for rows where the `language` is `"Dutch"` is not the same as filtering for entire datasets that are supposed to be Dutch-language.
Since language classification is an automated process,
there may be false positives and false negatives.

Examples are:
 - **false positives**: code from `StackExchange`, French from `French-PD-diverse` are included in Common Corpus NL when they shouldn't be.
 - **false negatives**: rows from `Dutch-PD` that were misclassified, for example as English, are not included in Common Corpus NL when they should be.

If you want to use entire datasets, you either have to look up what the source was for including it into Common Corpus,
or filter Common Corpus yourself.

## Usage
```python
from datasets import load_dataset

# load the full dataset
dataset = load_dataset('Rijgersberg/common_corpus_nl', 'all', split='train')

# load only a specific subset
wikipedia = load_dataset('Rijgersberg/common_corpus_nl', 'Open Web-Wikipedia', split='train')
```

## Contents
The dataset has the following content.
Tokens are measured by the [robbert-2023-dutch-base](https://huggingface.co/DTAI-KULeuven/robbert-2023-dutch-base) Dutch tokenizer on the `text` column only.
`word_count` is taken directly from the `word_count` column of the dataset.

| collection                 | open_type       |   row_count |   word_count |   token_count |
|:---------------------------|:----------------|------------:|-------------:|--------------:|
| Dutch-PD                   | Open Culture    |      198,090 |   1,341,547,229 |    2,453,085,804 |
| French-PD-diverse          | Open Culture    |        5,357 |     38,359,009 |      75,965,219 |
| Gutenberg                  | Open Culture    |        4,844 |     44,405,784 |      74,446,253 |
| US-PD-Books                | Open Culture    |        3,714 |     23,298,108 |      53,772,090 |
| Multilingual-PD            | Open Culture    |        3,164 |     22,935,496 |      45,033,262 |
| English-PD                 | Open Culture    |        2,622 |     18,344,861 |      38,407,512 |
| German-PD                  | Open Culture    |        1,744 |     12,434,468 |      26,319,336 |
| US-PD-Newspapers           | Open Culture    |        1,478 |      5,297,259 |      11,335,348 |
| Latin-PD                   | Open Culture    |         637 |      4,406,870 |       9,623,548 |
| LoC-PD-Books               | Open Culture    |         480 |      3,384,886 |       6,359,398 |
| Italian-PD                 | Open Culture    |         253 |      1,767,994 |       4,185,808 |
| French-PD-Books            | Open Culture    |         195 |      1,462,312 |       3,326,121 |
| Europeana                  | Open Culture    |         126 |       751,961 |       2,018,302 |
| Spanish-PD-Books           | Open Culture    |         114 |       819,389 |       1,831,298 |
| French-PD-Newspapers       | Open Culture    |         117 |       589,899 |       1,352,344 |
| Danish-PD                  | Open Culture    |          36 |       260,479 |        578,291 |
| Spanish-PD-Newspapers      | Open Culture    |          34 |       221,839 |        533,701 |
| German-PD-Newspapers       | Open Culture    |          27 |       155,979 |        398,229 |
| NewZealand-PD-Newspapers   | Open Culture    |          70 |       135,552 |        348,682 |
| Polish-PD                  | Open Culture    |           6 |        37,573 |        135,721 |
| Portuguese-PD              | Open Culture    |           5 |        35,666 |         84,105 |
| Greek-PD                   | Open Culture    |           1 |        11,084 |         23,343 |
| BNL Newspapers (1841-1879) | Open Culture    |          42 |         6,409 |         17,658 |
| Wikisource                 | Open Culture    |           1 |           36 |            58 |
| Eurlex                     | Open Government |      269,340 |    948,031,137 |    2,104,235,522 |
| Eurovoc                    | Open Government |       46,006 |    480,170,115 |     971,763,805 |
| French Open Data           | Open Government |      228,097 |    211,210,103 |     546,913,250 |
| Marianne-Europe            | Open Government |       10,101 |     44,308,181 |     113,369,293 |
| TEDEUTenders               | Open Government |        5,105 |      3,423,351 |       8,123,266 |
| USPTO                      | Open Government |          40 |       410,010 |       1,505,353 |
| UN-Digital-Library         | Open Government |          19 |        95,691 |        436,028 |
| WTO                        | Open Government |          11 |        55,733 |        125,785 |
| Court Listener             | Open Government |         243 |        22,176 |         82,334 |
| OECD                       | Open Government |           5 |        30,895 |         56,160 |
| Caselaw Access Project     | Open Government |         450 |        13,344 |         33,405 |
| GATT_library               | Open Government |           1 |          282 |          1,112 |
| OpenAlex                   | Open Science    |       11,867 |     76,200,223 |     142,457,454 |
| French-Science-Pile        | Open Science    |        1,485 |      6,197,572 |      18,685,715 |
| Open-Science-Pile          | Open Science    |        1,199 |      4,711,962 |       8,011,769 |
| German-Science-Pile        | Open Science    |         985 |      4,234,708 |       7,488,555 |
| Spanish-Science-Pile       | Open Science    |         163 |      1,071,826 |       2,263,934 |
| Wikipedia                  | Open Web        |     2,135,977 |    367,689,443 |     634,440,794 |
| StackExchange              | Open Web        |      270,147 |    117,494,333 |     464,336,069 |
| Youtube-Commons            | Open Web        |        1,982 |      5,886,772 |       8,329,426 |
| None                       | None            |           2 |          729 |          1,685 |
| **total**                  |                 | **3,206,382**   | **3,791,928,728** | **7,841,842,145** |


## Code

In principle it is very easy to create Common Corpus NL by filtering Common Corpus using Hugging Face datasets' `dataset.filter()` functionality.
However, Common Corpus is larger than my available disk space.

A possible solution is to process Common Corpus streaming and relying on the fact that the Dutch subset will be much, much smaller than the full dataset.
The code for that solution is below.
However, I was having trouble streaming the entire dataset without any connection errors along the way.
```python
from datasets import load_dataset, Dataset


common_corpus = load_dataset('PleIAs/common_corpus', split='train', streaming=True)

def nl():
    for row in common_corpus:
        if row['language'] == 'Dutch':
            yield row

common_corpus_nl = Dataset.from_generator(nl)

common_corpus_nl.push_to_hub('Rijgersberg/common_corpus_nl')
```

Therefore I took the approach for every one of ten subfolders of Common Corpus: 

- downloading the subfolder in a fault-tolerant way
- doing the filtering to Dutch rows only
- uploading that by itself to the Hugging Face hub
- deleting all the downloaded files and datasets cache files (around 1.5 TB for every subfolder)

Then finally I concatenated the ten Dutch datasets into a single one, which is the one you are looking at.

```python
import shutil

from datasets import concatenate_datasets, load_dataset
from huggingface_hub import snapshot_download
from huggingface_hub.errors import LocalEntryNotFoundError
from requests import ReadTimeout


local_dir = '/path/to/downloadfolder/commoncorpus'

for i in range(1, 10+1):
    success = False
    while not success:
        try:
            # download one common corpus folder at a time to a local directory
            snapshot_download(  # will skip files that have already been downloaded
                repo_id='PleIAs/common_corpus',
                repo_type='dataset',
                allow_patterns=f'common_corpus_{i}/*',
                local_dir=local_dir
            )
            success = True
        except (LocalEntryNotFoundError, ReadTimeout) as e:
            print(e)

    subdataset = load_dataset(local_dir, split='train')
    subdataset = subdataset.filter(lambda lang: lang == 'Dutch', input_columns=['language'])

    subdataset.push_to_hub(f'Rijgersberg/common_corpus_nl_{i}')

    # remove local copies of the data to free up disk space
    shutil.rmtree(local_dir)
    shutil.rmtree('/path/to/cache/huggingface/datasets/commoncorpus')

# concatenate all (much smaller) Dutch datasets into a single dataset
common_corpus_nl = concatenate_datasets([load_dataset(f'Rijgersberg/common_corpus_nl_{i}', split='train')
                                         for i in range(1, 10+1)])
common_corpus_nl.push_to_hub('Rijgersberg/common_corpus_nl')
```