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license: cc-by-sa-4.0
task_categories:
- text-generation
language:
- sv
tags:
- newspapers
- historical
size_categories:
- 1B<n<10B
kubhist2
Dataset Description
- Homepage: https://changeiskey.org
- Repository: https://github.com/ChangeIsKey/kubhist2
- Point of Contact: Simon Hengchen / iguanodon.ai
Dataset Summary
This is a version of the Kubhist 2 dataset originally created, curated and made available by Språkbanken Text (SBX) at the University of Gothenburg (Sweden) under the CC BY 4.0 license. This is a corpus of OCRed newspapers from Sweden spanning the 1640s to the 1900s. The original data is available with many types of annotation in XML at https://spraakbanken.gu.se/en/resources/kubhist2. A good description of the original data is available in this blog entry by Dana Dannélls: https://spraakbanken.gu.se/blogg/index.php/2019/09/15/the-kubhist-corpus-of-swedish-newspapers/.
If you use this dataset for academic research, cite it using the provided citation information at the bottom of this page.
In a nutshell, this huggingface dataset version offers:
- only the OCRed text
- available in decadal subsets
- one line per sentence, sentences shorter than 4 words were discarded
In total this dataset contains 2,819,065,590 tokens. A distribution of tokens per decade is available below.
License is CC BY 4.0 ShareAlike.
(env) simon@terminus:/mnt/user/cik/kubhist2 wc -w text/*/*.txt
39348 text/1640/1640.txt
4700 text/1650/1650.txt
8524 text/1660/1660.txt
2396 text/1670/1670.txt
199670 text/1680/1680.txt
487943 text/1690/1690.txt
619884 text/1700/1700.txt
265930 text/1710/1710.txt
355759 text/1720/1720.txt
856218 text/1730/1730.txt
1589508 text/1740/1740.txt
2211316 text/1750/1750.txt
5496545 text/1760/1760.txt
14434932 text/1770/1770.txt
22366170 text/1780/1780.txt
26768856 text/1790/1790.txt
36225842 text/1800/1800.txt
44510588 text/1810/1810.txt
65571094 text/1820/1820.txt
95359730 text/1830/1830.txt
143992956 text/1840/1840.txt
214538699 text/1850/1850.txt
392672066 text/1860/1860.txt
524802728 text/1870/1870.txt
695859650 text/1880/1880.txt
498244203 text/1890/1890.txt
31580335 text/1900/1900.txt
2819065590 total
Languages
Swedish (nysvenska)
Dataset Structure
One feature: text.
Load the whole corpus using
dataset = load_dataset("ChangeIsKey/kubhist2")
or a decadal subset using
dataset = load_dataset("ChangeIsKey/kubhist2", "decade")
The decade must be a string, valid values are within range(1640, 1910, 10).
You can combine several decades using concatenate_datasets like this:
from datasets import load_dataset, concatenate_datasets
ds_1800 = load_dataset("ChangeIsKey/kubhist2", "1800")
ds_1810 = load_dataset("ChangeIsKey/kubhist2", "1810")
ds_1820 = load_dataset("ChangeIsKey/kubhist2", "1820")
ds_1800_1820 = concatenate_datasets([
ds_1800["train"],
ds_1810["train"],
ds_1820["train"]
])
Despite what the huggingface dataset viewer states the all config has 285.4M (285,384,149 to be precise) rows, not 77.9M.
Data Splits
The dataset has only one split, train.
Dataset Creation
Curation Rationale
The original data is in a highly-annotated XML format not ideally suited for basic NLP tasks such as unsupervised language modeling: information such as page numbers, fonts, etc. is less relevant and has thus been discarded. Keeping only the running text of the newspaper and removing sentences shorter than 4 words further allows a 150x data size reduction (2.4TB --> 16GB).
Source Data
The original data is available with many types of annotation in XML at https://spraakbanken.gu.se/en/resources/kubhist2.
Initial Data Collection and Normalization
See on Språkbanken Text's website.
Who are the source language producers?
Språkbanken Text: https://spraakbanken.gu.se/en/
Personal and Sensitive Information
This is historical newspaper data, with the latest data published in 1909. Everyone mentioned in this dataset was probably already a public figure, and has been dead for a while.
Considerations for Using the Data
Discussion of Biases
This is historical data. As such, outdated views might be present in the data.
Other Known Limitations
The data comes from an OCR process. The text is thus not perfect, especially so in the earlier decades.
Additional Information
Dataset Curators
This huggingface version of the data has been created by Simon Hengchen.
Licensing Information
Creative Commons Attribution Share Alike 4.0: https://creativecommons.org/licenses/by-sa/4.0/
Citation Information
You should always cite the original kubhist2 release, provided below as bibtex. If you want to additionally refer to this specific version, please also add a link to the huggingface page: https://huggingface.co/datasets/ChangeIsKey/kubhist2.
@misc{Kubhist2,
title = {The Kubhist Corpus, v2},
url = {https://spraakbanken.gu.se/korp/?mode=kubhist},
author = {Spr{\aa}kbanken},
year = {Downloaded in 2019},
organization = {Department of Swedish, University of Gothenburg}
}
Acknowledgments
This dataset has been created in the context of the ChangeIsKey! project funded by Riksbankens Jubileumsfond under reference number M21-0021, Change is Key! program. The compute dedicated to the creation of the dataset has been provided by iguanodon.ai.
Many thanks got to Språkbanken Text for creating and curating this resource.