CONLL2003 Dataset not available
MEMBER
Thanks for reporting, @omarespejel.

I'm sorry but I can't reproduce the issue: the loading of the dataset works perfecto for me and I can reach the data URL: https://data.deepai.org/conll2003.zip

Might it be due to a temporary problem in the data owner site (https://data.deepai.org/) that is fixed now?
Could you please try loading the dataset again and tell if the problem persists?
2022-03-14T08:34:03Z
https://github.com/huggingface/datasets/issues/3904#issuecomment-1066510139
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2022-03-14T08:34:03Z
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MEMBER
@omarespejel I'm closing this issue. Feel free to reopen it if the problem persists.
2022-03-17T08:21:32Z
https://github.com/huggingface/datasets/issues/3904#issuecomment-1070525942
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NONE
getting same issue. Can't find any solution.
2022-12-17T11:30:17Z
https://github.com/huggingface/datasets/issues/3904#issuecomment-1356214766
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NONE
I am getting the same issue. I use google colab with CPU.
The code I used is exactly the same as described above.
```
from datasets import load_dataset
dataset = load_dataset("conll2003")
```

The produced error:
![image](https://github.com/huggingface/datasets/assets/9371628/d87f7fb0-ef58-4755-abb5-f8f92c51fe02)

Note: This error is different from what was initially described in this thread. This is because I use CPU. When I use GPU I reproduce the same initial error of the thread.

Moreover, I receive the following warning:
```
WARNING:urllib3.connection:Certificate did not match expected hostname: data.deepai.org. Certificate: {'subject': ((('commonName', '*.b-cdn.net'),),), 'issuer': ((('countryName', 'GB'),), (('stateOrProvinceName', 'Greater Manchester'),), (('localityName', 'Salford'),), (('organizationName', 'Sectigo Limited'),), (('commonName', 'Sectigo RSA Domain Validation Secure Server CA'),)), 'version': 3, 'serialNumber': 'DDED48B13E1EA03983E833AB2C35EF07', 'notBefore': 'Nov  7 00:00:00 2022 GMT', 'notAfter': 'Nov 11 23:59:59 2023 GMT', 'subjectAltName': (('DNS', '*.b-cdn.net'), ('DNS', 'b-cdn.net')), 'OCSP': ('http://ocsp.sectigo.com/',), 'caIssuers': ('http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt',)}
Downloading and preparing dataset conll2003/conll2003 to /root/.cache/huggingface/datasets/conll2003/conll2003/1.0.0/9a4d16a94f8674ba3466315300359b0acd891b68b6c8743ddf60b9c702adce98...
WARNING:urllib3.connection:Certificate did not match expected hostname: data.deepai.org. Certificate: {'subject': ((('commonName', '*.b-cdn.net'),),), 'issuer': ((('countryName', 'GB'),), (('stateOrProvinceName', 'Greater Manchester'),), (('localityName', 'Salford'),), (('organizationName', 'Sectigo Limited'),), (('commonName', 'Sectigo RSA Domain Validation Secure Server CA'),)), 'version': 3, 'serialNumber': 'DDED48B13E1EA03983E833AB2C35EF07', 'notBefore': 'Nov  7 00:00:00 2022 GMT', 'notAfter': 'Nov 11 23:59:59 2023 GMT', 'subjectAltName': (('DNS', '*.b-cdn.net'), ('DNS', 'b-cdn.net')), 'OCSP': ('http://ocsp.sectigo.com/',), 'caIssuers': ('http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt',)}
```

2023-06-28T17:40:53Z
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public
## Describe the bug
[CONLL2003](https://huggingface.co/datasets/conll2003) Dataset can no longer reach 'https://data.deepai.org/conll2003.zip' 
![image](https://user-images.githubusercontent.com/4755430/158084483-ff83631c-5154-4823-892d-577bf1166db0.png)

## Steps to reproduce the bug
```python
from datasets import load_dataset
datasets = load_dataset("conll2003")
```

## Expected results
Download the conll2003 dataset.

## Actual results
Error: `ConnectionError: Couldn't reach https://data.deepai.org/conll2003.zip (error 502)`
