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Datasets:
alexandrainst
/
scandi-reddit

Tasks:
Text Generation
Fill-Mask
Modalities:
Text
Formats:
parquet
Sub-tasks:
language-modeling
Languages:
Danish
Swedish
Norwegian
Size:
10M - 100M
Libraries:
Datasets
Dask
License:
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metadata
language:
  - da
  - sv
  - 'no'
  - is
license:
  - cc-by-4.0
multilinguality:
  - multilingual
size_categories:
  - 10M<n<100M
task_categories:
  - text-generation
  - fill-mask
task_ids:
  - language-modeling
pretty_name: ScandiReddit
configs:
  - config_name: da
    data_files:
      - split: train
        path: da/train-*
  - config_name: is
    data_files:
      - split: train
        path: is/train-*
  - config_name: 'no'
    data_files:
      - split: train
        path: no/train-*
  - config_name: sv
    data_files:
      - split: train
        path: sv/train-*
dataset_info:
  - config_name: da
    features:
      - name: doc
        dtype: string
      - name: subreddit
        dtype: string
      - name: language
        dtype: string
      - name: language_confidence
        dtype: float64
    splits:
      - name: train
        num_bytes: 1386063758.1912868
        num_examples: 4965195
    download_size: 849659088
    dataset_size: 1386063758.1912868
  - config_name: is
    features:
      - name: doc
        dtype: string
      - name: subreddit
        dtype: string
      - name: language
        dtype: string
      - name: language_confidence
        dtype: float64
    splits:
      - name: train
        num_bytes: 57698465.441296645
        num_examples: 206689
    download_size: 41270604
    dataset_size: 57698465.441296645
  - config_name: 'no'
    features:
      - name: doc
        dtype: string
      - name: subreddit
        dtype: string
      - name: language
        dtype: string
      - name: language_confidence
        dtype: float64
    splits:
      - name: train
        num_bytes: 374200184.6740509
        num_examples: 1340470
    download_size: 286174352
    dataset_size: 374200184.6740509
  - config_name: sv
    features:
      - name: doc
        dtype: string
      - name: subreddit
        dtype: string
      - name: language
        dtype: string
      - name: language_confidence
        dtype: float64
    splits:
      - name: train
        num_bytes: 1944996792.6933656
        num_examples: 6967420
    download_size: 1164301734
    dataset_size: 1944996792.6933656

Dataset Card for ScandiReddit

Dataset Description

Dataset Summary

ScandiReddit is a filtered and post-processed corpus consisting of comments from Reddit.

All Reddit comments from December 2005 up until October 2022 were downloaded through PushShift, after which these were filtered based on the FastText language detection model. Any comment which was classified as Danish (da), Norwegian (no), Swedish (sv) or Icelandic (is) with a confidence score above 70% was kept.

The resulting comments were then deduplicated, removing roughly 438,000 comments. 5,000 comments written by Reddit bots were removed, and roughly 189,000 comments belonging to inappropriate subreddits (explicit and drug-related) were also removed.

Lastly, we remove roughly 40,000 near-duplicate comments from the resulting corpus, where near-duplicate here means that the comments have more than 80% of their word 5-grams in common.

Supported Tasks and Leaderboards

Training language models is the intended task for this dataset. No leaderboard is active at this point.

Languages

The dataset is available in Danish (da), Swedish (sv), Norwegian (no) and Icelandic (is).

Dataset Structure

Data Instances

  • Size of downloaded dataset files: 2341 MB
  • Size of the generated dataset: 3594 MB
  • Total amount of disk used: 5935 MB

An example from the dataset looks as follows.

{
    'doc': 'Bergen er ødelagt. Det er ikke moro mer.',
    'subreddit': 'Norway',
    'language': 'da',
    'language_confidence': 0.7472341656684875
}

Data Fields

The data fields are the same among all splits.

  • doc: a string feature.
  • subreddit: a string feature.
  • language: a string feature.
  • language_confidence: a float64 feature.

Language Distribution

name count
sv 6,967,420
da 4,965,195
no 1,340,470
is 206,689
total 13,479,774

Top-50 Subreddit Distribution

name count
sweden 4,881,483
Denmark 3,579,178
norge 1,281,655
svenskpolitik 771,960
InfluencergossipDK 649,910
swedishproblems 339,683
Iceland 183,488
dkfinance 113,860
unket 81,077
DanishEnts 69,055
dankmark 62,928
swedents 58,576
scandinavia 57,136
Allsvenskan 56,006
Gothenburg 54,395
stockholm 51,016
ISKbets 47,944
Sverige 39,552
SWARJE 34,691
GossipDK 29,332
NorskFotball 28,571
Superligaen 23,641
Aarhus 22,516
Svenska 20,561
newsdk 19,893
AskReddit 16,672
copenhagen 16,668
okpolarncp 16,583
SwedditUniversalis 15,990
Sveriges_politik 15,058
intresseklubben 13,246
Aktiemarknaden 13,202
soccer 12,637
teenagers 10,845
Norway 10,680
europe 10,247
Matinbum 9,792
oslo 9,650
iksdagen 9,232
Asksweddit 8,851
Forsvaret 8,641
Sverigesforsvarsmakt 8,469
memes 8,299
Danish 8,268
DANMAG 8,214
PewdiepieSubmissions 7,800
sweddpolitik 7,646
pinsamt 7,318
arbetarrorelsen 7,317
Ishockey 6,824

Dataset Creation

Curation Rationale

The Scandinavian languages do not have many open source social media datasets.

Source Data

The raw Reddit data was collected through PushShift.

Additional Information

Dataset Curators

Dan Saattrup Nielsen from the The Alexandra Institute curated this dataset.

Licensing Information

The dataset is licensed under the CC BY 4.0 license.