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---
languages:
- ca
---
# ViquiQuAD, An extractive QA dataset for catalan, from the Wikipedia
## BibTeX citation
If you use any of these resources (datasets or models) in your work, please cite our latest paper:
```bibtex
@inproceedings{armengol-estape-etal-2021-multilingual,
title = "Are Multilingual Models the Best Choice for Moderately Under-resourced Languages? {A} Comprehensive Assessment for {C}atalan",
author = "Armengol-Estap{\'e}, Jordi and
Carrino, Casimiro Pio and
Rodriguez-Penagos, Carlos and
de Gibert Bonet, Ona and
Armentano-Oller, Carme and
Gonzalez-Agirre, Aitor and
Melero, Maite and
Villegas, Marta",
booktitle = "Findings of the Association for Computational Linguistics: ACL-IJCNLP 2021",
month = aug,
year = "2021",
address = "Online",
publisher = "Association for Computational Linguistics",
url = "https://aclanthology.org/2021.findings-acl.437",
doi = "10.18653/v1/2021.findings-acl.437",
pages = "4933--4946",
}
```
# Digital Object Identifier (DOI) and access to dataset files
https://doi.org/10.5281/zenodo.4562345
## Introduction
This dataset contains 3111 contexts extracted from a set of 597 high quality original (no translations) articles in the Catalan Wikipedia "Viquipèdia" (ca.wikipedia.org), and 1 to 5 questions with their answer for each fragment.
Viquipedia articles are used under [CC-by-sa] (https://creativecommons.org/licenses/by-sa/3.0/legalcode) licence.
This dataset can be used to fine-tune and evaluate extractive-QA and Language Models. It is part of the Catalan Language Understanding Benchmark (CLUB) as presented in:
Armengol-Estapé J., Carrino CP., Rodriguez-Penagos C., de Gibert Bonet O., Armentano-Oller C., Gonzalez-Agirre A., Melero M. and Villegas M.,Are Multilingual Models the Best Choice for Moderately Under-resourced Languages? A Comprehensive Assessment for Catalan". Findings of ACL 2021 (ACL-IJCNLP 2021).
### Supported Tasks and Leaderboards
Extractive-QA, Language Model
### Languages
CA- Catalan
### Directory structure
* README
* dev.json
* test.json
* train.json
* viquiquad.py
## Dataset Structure
### Data Instances
json files
### Data Fields
Follows ((Rajpurkar, Pranav et al., 2016) for squad v1 datasets. (see below for full reference)
### Example:
<pre>
{
"data": [
{
"title": "Frederick W. Mote",
"paragraphs": [
{
"context": "L'historiador Frederick W. Mote va escriure que l'ús del terme \\\\\\\\\\\\\\\\"classes socials\\\\\\\\\\\\\\\\" per a aquest sistema era enganyós i que la posició de les persones dins del sistema de quatre classes no era una indicació del seu poder social i riquesa reals, sinó que només implicava \\\\\\\\\\\\\\\\"graus de privilegi\\\\\\\\\\\\\\\\" als quals tenien dret institucionalment i legalment, de manera que la posició d'una persona dins de les classes no era una garantia de la seva posició, ja que hi havia xinesos rics i amb bona reputació social, però alhora hi havia menys mongols i semu rics que mongols i semu que vivien en la pobresa i eren maltractats.",
"qas": [
{
"answers": [
{
"text": "Frederick W. Mote",
"answer_start": 14
}
],
"id": "5728848cff5b5019007da298",
"question": "Qui creia que el sistema de classes socials de Yuan no s’hauria d’anomenar classes socials?"
},
...
]
}
]
},
...
]
}
</pre>
### Data Splits
train.development,test
## Content analysis
### Number of articles, paragraphs and questions
* Number of articles: 597
* Number of contexts: 3111
* Number of questions: 15153
* Questions/context: 4.87
* Number of sentences in contexts: 15100
* Sentences/context: 4.85
### Number of tokens
* tokens in context: 469335
* tokens/context 150.86
* tokens in questions: 145249
* tokens/questions: 9.58
* tokens in answers: 63246
* tokens/answers: 4.17
### Lexical variation
After filtering (tokenization, stopwords, punctuation, case), 83,88% of the words in the question can be found in the Context
### Question type
| Question | Count | % |
|--------|-----|------|
| què | 4220 | 27.85 % |
| qui | 2239 | 14.78 % |
| com | 1964 | 12.96 % |
| quan | 1133 | 7.48 % |
| on | 1580 | 10.43 % |
| quant | 925 | 6.1 % |
| quin | 3399 | 22.43 % |
| no question mark | 21 | 0.14 % |
### Question-answer relationships
From 100 randomly selected samples:
* Lexical variation: 33.0%
* World knowledge: 16.0%
* Syntactic variation: 35.0%
* Multiple sentence: 17.0%
## Dataset Creation
### Methodology
From a set of high quality, non-translation, articles in the Catalan Wikipedia (ca.wikipedia.org), 597 were randomly chosen, and from them 3111, 5-8 sentence contexts were extracted. We commissioned creation of between 1 and 5 questions for each context, following an adaptation of the guidelines from SQUAD 1.0 [Rajpurkar, Pranav et al. “SQuAD: 100, 000+ Questions for Machine Comprehension of Text.” EMNLP (2016)], (http://arxiv.org/abs/1606.05250). In total, 15153 pairs of a question and an extracted fragment that contains the answer were created.
### Curation Rationale
For compatibility with similar datasets in other languages, we followed as close as possible existing curation guidelines.
### Source Data
- https://ca.wikipedia.org
#### Initial Data Collection and Normalization
The source data are scraped articles from the Catalan wikipedia site (https://ca.wikipedia.org).
#### Who are the source language producers?
[More Information Needed]
### Annotations
#### Annotation process
We commissioned the creation of 1 to 5 questions for each context, following an adaptation of the guidelines from SQUAD 1.0 (Rajpurkar, Pranav et al. “SQuAD: 100, 000+ Questions for Machine Comprehension of Text.” EMNLP (2016)), http://arxiv.org/abs/1606.05250.
#### Who are the annotators?
Native language speakers.
### Dataset Curators
Carlos Rodríguez and Carme Armentano, from BSC-CNS
### Personal and Sensitive Information
No personal or sensitive information included.
## Considerations for Using the Data
### Social Impact of Dataset
[More Information Needed]
### Discussion of Biases
[More Information Needed]
### Other Known Limitations
[More Information Needed]
## Contact
Carlos Rodríguez-Penagos (carlos.rodriguez1@bsc.es) and Carme Armentano-Oller (carme.armentano@bsc.es)
## License
<a rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/"><img alt="Attribution-ShareAlike 4.0 International License" style="border-width:0" src="https://i.creativecommons.org/l/by/4.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/">Attribution-ShareAlike 4.0 International License</a>.