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---
license: cc-by-sa-3.0
task_categories:
- token-classification
language:
- hr
tags:
- wikidata
- wikipedia
- wikification
pretty_name: WikiAnc HR
size_categories:
- 1M<n<10M
---
# Dataset Card for WikiAnc HR
## Table of Contents
- [Dataset Description](#dataset-description)
- [Dataset Summary](#dataset-summary)
- [Supported Tasks](#supported-tasks)
- [Languages](#languages)
- [Dataset Structure](#dataset-structure)
- [Data Instances](#data-instances)
- [Data Fields](#data-fields)
- [Data Splits](#data-splits)
- [Additional Information](#additional-information)
- [Licensing Information](#licensing-information)
## Dataset Description
- **Repository:** [WikiAnc repository](https://github.com/cyanic-selkie/wikianc)
### Dataset Summary
The WikiAnc HR datasets is an automatically generated dataset from Wikipedia (hr) and Wikidata dumps (March 1, 2023).
The code for generating the dataset can be found [here](https://github.com/cyanic-selkie/wikianc).
### Supported Tasks
- `wikificiation`: The dataset can be used to train a model for Wikification.
### Languages
The text in the dataset is in Croatian. The associated BCP-47 code is `hr`.
You can find the English version [here](https://huggingface.co/datasets/cyanic-selkie/wikianc-en).
## Dataset Structure
### Data Instances
A typical data point represents a paragraph in a Wikipedia article.
The `paragraph_text` field contains the original text in an NFC normalized, UTF-8 encoded string.
The `paragraph_anchors` field contains a list of anchors, each represented by a struct with the inclusive starting UTF-8 code point `start` field, exclusive ending UTF-8 code point `end` field, a nullable `qid` field, a nullable `pageid` field, and an NFC normalized, UTF-8 encoded `title` (Wikipedia) field.
Additionally, each paragraph has `article_title`, `article_pageid`, and (nullable) `article_qid` fields referring to the article the paragraph came from.
There is also a nullable, NFC normalized, UTF-8 encoded `section_heading` field, and an integer `section_level` field referring to the heading (if it exists) of the article section, and the level in the section hierarchy that the paragraph came from.
The `qid` fields refers to Wikidata's QID identifiers, while the `pageid` and `title` fields refer to Wikipedia's pageID and title identifiers (there is a one-to-one mapping between pageIDs and titles).
**NOTE:** An anchor will always have a `title`, but that doesn't mean it has to have a `pageid`. This is because Wikipedia allows defining anchors to nonexistent articles.
An example from the WikiAnc HR test set looks as follows:
```
{
"uuid": "8a9569ea-a398-4d14-8bce-76c263a8c0ac",
"article_title": "Špiro_Dmitrović",
"article_pageid": 70957,
"article_qid": 16116278,
"section_heading": null,
"section_level": 0,
"paragraph_text": "Špiro Dmitrović (Benkovac, 1803. – Zagreb, 6. veljače 1868.) hrvatski časnik i politički borac u doba ilirizma.",
"paragraph_anchors": [
{
"start": 17,
"end": 25,
"qid": 397443,
"pageid": 14426,
"title": "Benkovac"
},
{
"start": 27,
"end": 32,
"qid": 6887,
"pageid": 1876,
"title": "1803."
},
{
"start": 35,
"end": 41,
"qid": 1435,
"pageid": 5903,
"title": "Zagreb"
},
{
"start": 43,
"end": 53,
"qid": 2320,
"pageid": 496,
"title": "6._veljače"
},
{
"start": 54,
"end": 59,
"qid": 7717,
"pageid": 1811,
"title": "1868."
},
{
"start": 102,
"end": 110,
"qid": 680821,
"pageid": 54622,
"title": "Ilirizam"
}
]
}
```
### Data Fields
- `uuid`: a UTF-8 encoded string representing a v4 UUID that uniquely identifies the example
- `article_title`: an NFC normalized, UTF-8 encoded Wikipedia title of the article; spaces are replaced with underscores
- `article_pageid`: an integer representing the Wikipedia pageID of the article
- `article_qid`: an integer representing the Wikidata QID this article refers to; it can be null if the entity didn't exist in Wikidata at the time of the creation of the original dataset
- `section_heading`: a nullable, NFC normalized, UTF-8 encoded string representing the section heading
- `section_level`: an integer representing the level of the section in the section hierarchy
- `paragraph_text`: an NFC normalized, UTF-8 encoded string representing the paragraph
- `paragraph_anchors`: a list of structs representing anchors, each anchor has:
- `start`: an integer representing the inclusive starting UTF-8 code point of the anchors
- `end`: an integer representing the exclusive ending UTF-8 code point of the anchor
- `qid`: a nullable integer representing the Wikidata QID this anchor refers to; it can be null if the entity didn't exist in Wikidata at the time of the creation of the original dataset
- `pageid`: a nullable integer representing the Wikipedia pageID of the anchor; it can be null if the article didn't exist in Wikipedia at the time of the creation of the original dataset
- `title`: an NFC normalized, UTF-8 encoded string representing the Wikipedia title of the anchor; spaces are replaced with underscores; can refer to a nonexistent Wikipedia article
### Data Splits
The data is split into training, validation and test sets; paragraphs belonging to the same article aren't necessarily in the same split. The final split sizes are as follows:
| | Train | Validation | Test |
| :----- | :------: | :-----: | :----: |
| WikiAnc HR - articles | 192,653 | 116,375 | 116,638 |
| WikiAnc HR - paragraphs | 2,346,651 | 292,590 | 293,557 |
| WikiAnc HR - anchors | 8,368,928 | 1,039,851 | 1,044,828 |
| WikiAnc HR - anchors with QIDs | 7,160,367 | 891,959 | 896,414 |
| WikiAnc HR - anchors with pageIDs | 7,179,116 | 894,313 | 898,692 |
**NOTE:** The number of articles in the table above refers to the number of articles that have at least one paragraph belonging to the article appear in the split.
## Additional Information
### Licensing Information
The WikiAnc HR dataset is given under the [Creative Commons Attribution 4.0 International](https://creativecommons.org/licenses/by/4.0/) license. |