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metadata
license: apache-2.0
datasets:
  - viewer:
      - max_preview_rows: 1000
      - max_shard_size: 10MB
configs:
  - config_name: default
    data_files:
      - split: train
        path: train.parquet
      - split: test
        path: test.parquet
      - split: validation
        path: validation.parquet
  - config_name: twitter15
    data_files:
      - split: train
        path: twitter15/twitter15_train.parquet
      - split: test
        path: twitter15/twitter15_test.parquet
      - split: validation
        path: twitter15/twitter15_validation.parquet
  - config_name: verite
    data_files:
      - split: train
        path: verite/verite_train.parquet
      - split: test
        path: verite/verite_test.parquet
      - split: validation
        path: verite/verite_validation.parquet
  - config_name: liar_new
    data_files:
      - split: train
        path: liar_new/liar_new_train.parquet
      - split: test
        path: liar_new/liar_new_test.parquet
      - split: validation
        path: liar_new/liar_new_validation.parquet
  - config_name: coaid
    data_files:
      - split: train
        path: coaid/coaid_train.parquet
      - split: test
        path: coaid/coaid_test.parquet
      - split: validation
        path: coaid/coaid_validation.parquet
  - config_name: fibvid
    data_files:
      - split: train
        path: fibvid/fibvid_train.parquet
      - split: test
        path: fibvid/fibvid_test.parquet
      - split: validation
        path: fibvid/fibvid_validation.parquet
  - config_name: isot_fake_news
    data_files:
      - split: train
        path: isot_fake_news/isot_fake_news_train.parquet
      - split: test
        path: isot_fake_news/isot_fake_news_test.parquet
      - split: validation
        path: isot_fake_news/isot_fake_news_validation.parquet
  - config_name: snopes
    data_files:
      - split: train
        path: snopes/snopes_train.parquet
      - split: test
        path: snopes/snopes_test.parquet
      - split: validation
        path: snopes/snopes_validation.parquet
  - config_name: hover
    data_files:
      - split: train
        path: hover/hover_train.parquet
      - split: test
        path: hover/hover_test.parquet
      - split: validation
        path: hover/hover_validation.parquet
  - config_name: fa_kes
    data_files:
      - split: train
        path: fa_kes/fa_kes_train.parquet
      - split: test
        path: fa_kes/fa_kes_test.parquet
      - split: validation
        path: fa_kes/fa_kes_validation.parquet
  - config_name: cmu_miscov19
    data_files:
      - split: train
        path: cmu_miscov19/cmu_miscov19_train.parquet
      - split: test
        path: cmu_miscov19/cmu_miscov19_test.parquet
      - split: validation
        path: cmu_miscov19/cmu_miscov19_validation.parquet
  - config_name: celebrity
    data_files:
      - split: train
        path: celebrity/celebrity_train.parquet
      - split: test
        path: celebrity/celebrity_test.parquet
      - split: validation
        path: celebrity/celebrity_validation.parquet
  - config_name: claimskg
    data_files:
      - split: train
        path: claimskg/claimskg_train.parquet
      - split: test
        path: claimskg/claimskg_test.parquet
      - split: validation
        path: claimskg/claimskg_validation.parquet
  - config_name: covid_19_rumor
    data_files:
      - split: train
        path: covid_19_rumor/covid_19_rumor_train.parquet
      - split: test
        path: covid_19_rumor/covid_19_rumor_test.parquet
      - split: validation
        path: covid_19_rumor/covid_19_rumor_validation.parquet
  - config_name: covidfact
    data_files:
      - split: train
        path: covidfact/covidfact_train.parquet
      - split: test
        path: covidfact/covidfact_test.parquet
      - split: validation
        path: covidfact/covidfact_validation.parquet
  - config_name: x_fact
    data_files:
      - split: train
        path: x_fact/x_fact_train.parquet
      - split: test
        path: x_fact/x_fact_test.parquet
      - split: validation
        path: x_fact/x_fact_validation.parquet
  - config_name: mediaeval
    data_files:
      - split: train
        path: mediaeval/mediaeval_train.parquet
      - split: test
        path: mediaeval/mediaeval_test.parquet
      - split: validation
        path: mediaeval/mediaeval_validation.parquet
  - config_name: fakecovid
    data_files:
      - split: train
        path: fakecovid/fakecovid_train.parquet
      - split: test
        path: fakecovid/fakecovid_test.parquet
      - split: validation
        path: fakecovid/fakecovid_validation.parquet
  - config_name: counter-covid-19-misinformation
    data_files:
      - split: train
        path: >-
          counter-covid-19-misinformation/counter-covid-19-misinformation_train.parquet
      - split: test
        path: >-
          counter-covid-19-misinformation/counter-covid-19-misinformation_test.parquet
      - split: validation
        path: >-
          counter-covid-19-misinformation/counter-covid-19-misinformation_validation.parquet
  - config_name: mm-covid
    data_files:
      - split: train
        path: mm-covid/mm-covid_train.parquet
      - split: test
        path: mm-covid/mm-covid_test.parquet
      - split: validation
        path: mm-covid/mm-covid_validation.parquet
  - config_name: truthseeker2023
    data_files:
      - split: train
        path: truthseeker2023/truthseeker2023_train.parquet
      - split: test
        path: truthseeker2023/truthseeker2023_test.parquet
      - split: validation
        path: truthseeker2023/truthseeker2023_validation.parquet
  - config_name: feverous
    data_files:
      - split: train
        path: feverous/feverous_train.parquet
      - split: test
        path: feverous/feverous_test.parquet
      - split: validation
        path: feverous/feverous_validation.parquet
  - config_name: antivax
    data_files:
      - split: train
        path: antivax/antivax_train.parquet
      - split: test
        path: antivax/antivax_test.parquet
      - split: validation
        path: antivax/antivax_validation.parquet
  - config_name: nlp4if
    data_files:
      - split: train
        path: nlp4if/nlp4if_train.parquet
      - split: test
        path: nlp4if/nlp4if_test.parquet
      - split: validation
        path: nlp4if/nlp4if_validation.parquet
  - config_name: IFND
    data_files:
      - split: train
        path: IFND/IFND_train.parquet
      - split: test
        path: IFND/IFND_test.parquet
      - split: validation
        path: IFND/IFND_validation.parquet
  - config_name: esoc
    data_files:
      - split: train
        path: esoc/esoc_train.parquet
      - split: test
        path: esoc/esoc_test.parquet
      - split: validation
        path: esoc/esoc_validation.parquet
  - config_name: twitter16
    data_files:
      - split: train
        path: twitter16/twitter16_train.parquet
      - split: test
        path: twitter16/twitter16_test.parquet
      - split: validation
        path: twitter16/twitter16_validation.parquet
  - config_name: liar
    data_files:
      - split: train
        path: liar/liar_train.parquet
      - split: test
        path: liar/liar_test.parquet
      - split: validation
        path: liar/liar_validation.parquet
  - config_name: fakenewsamt
    data_files:
      - split: train
        path: fakenewsamt/fakenewsamt_train.parquet
      - split: test
        path: fakenewsamt/fakenewsamt_test.parquet
      - split: validation
        path: fakenewsamt/fakenewsamt_validation.parquet
  - config_name: faviq
    data_files:
      - split: train
        path: faviq/faviq_train.parquet
      - split: test
        path: faviq/faviq_test.parquet
      - split: validation
        path: faviq/faviq_validation.parquet
  - config_name: fever
    data_files:
      - split: train
        path: fever/fever_train.parquet
      - split: test
        path: fever/fever_test.parquet
      - split: validation
        path: fever/fever_validation.parquet
  - config_name: wico
    data_files:
      - split: train
        path: wico/wico_train.parquet
      - split: test
        path: wico/wico_test.parquet
      - split: validation
        path: wico/wico_validation.parquet
  - config_name: checkcovid
    data_files:
      - split: train
        path: checkcovid/checkcovid_train.parquet
      - split: test
        path: checkcovid/checkcovid_test.parquet
      - split: validation
        path: checkcovid/checkcovid_validation.parquet
  - config_name: benjamin_political_news
    data_files:
      - split: train
        path: benjamin_political_news/benjamin_political_news_train.parquet
      - split: test
        path: benjamin_political_news/benjamin_political_news_test.parquet
      - split: validation
        path: benjamin_political_news/benjamin_political_news_validation.parquet
  - config_name: pheme
    data_files:
      - split: train
        path: pheme/pheme_train.parquet
      - split: test
        path: pheme/pheme_test.parquet
      - split: validation
        path: pheme/pheme_validation.parquet
  - config_name: multiclaim
    data_files:
      - split: train
        path: multiclaim/multiclaim_train.parquet
      - split: test
        path: multiclaim/multiclaim_test.parquet
      - split: validation
        path: multiclaim/multiclaim_validation.parquet
  - config_name: ct_fan
    data_files:
      - split: train
        path: ct_fan/ct_fan_train.parquet
      - split: test
        path: ct_fan/ct_fan_test.parquet
      - split: validation
        path: ct_fan/ct_fan_validation.parquet
  - config_name: banfakenews
    data_files:
      - split: train
        path: banfakenews/banfakenews_train.parquet
      - split: test
        path: banfakenews/banfakenews_test.parquet
      - split: validation
        path: banfakenews/banfakenews_validation.parquet
  - config_name: rumors
    data_files:
      - split: train
        path: rumors/rumors_train.parquet
      - split: test
        path: rumors/rumors_test.parquet
      - split: validation
        path: rumors/rumors_validation.parquet
  - config_name: covid-19-disinformation
    data_files:
      - split: train
        path: covid-19-disinformation/covid-19-disinformation_train.parquet
      - split: test
        path: covid-19-disinformation/covid-19-disinformation_test.parquet
      - split: validation
        path: covid-19-disinformation/covid-19-disinformation_validation.parquet
  - config_name: climate_fever
    data_files:
      - split: train
        path: climate_fever/climate_fever_train.parquet
      - split: test
        path: climate_fever/climate_fever_test.parquet
      - split: validation
        path: climate_fever/climate_fever_validation.parquet
  - config_name: defakts
    data_files:
      - split: train
        path: defakts/defakts_train.parquet
      - split: test
        path: defakts/defakts_test.parquet
      - split: validation
        path: defakts/defakts_validation.parquet
  - config_name: covid_vaccine_misinfo_mic
    data_files:
      - split: train
        path: covid_vaccine_misinfo_mic/covid_vaccine_misinfo_mic_train.parquet
      - split: test
        path: covid_vaccine_misinfo_mic/covid_vaccine_misinfo_mic_test.parquet
      - split: validation
        path: covid_vaccine_misinfo_mic/covid_vaccine_misinfo_mic_validation.parquet
  - config_name: pubhealthtab
    data_files:
      - split: train
        path: pubhealthtab/pubhealthtab_train.parquet
      - split: test
        path: pubhealthtab/pubhealthtab_test.parquet
      - split: validation
        path: pubhealthtab/pubhealthtab_validation.parquet
  - config_name: fake_news_corpus
    data_files:
      - split: train
        path: fake_news_corpus/fake_news_corpus_train.parquet
      - split: test
        path: fake_news_corpus/fake_news_corpus_test.parquet
      - split: validation
        path: fake_news_corpus/fake_news_corpus_validation.parquet
  - config_name: ti_cnn
    data_files:
      - split: train
        path: ti_cnn/ti_cnn_train.parquet
      - split: test
        path: ti_cnn/ti_cnn_test.parquet
      - split: validation
        path: ti_cnn/ti_cnn_validation.parquet
language:
  - en
size_categories:
  - 1M<n<10M
tags:
  - misinformation
  - text
pretty_name: Misinformation Detection Datasets
Modalities:
  - Text

CDL Misinfo Detection Datasets

Dataset Description

Datasets Summary

Misinformation is a challenging societal issue, and mitigating solutions are difficult to create due to data deficiencies. To address this problem, we have surveyed (mis)information datasets in the literature, collected those that are accessible, and made them available here in a unified repository. We also harmonized all original factuality labels into a single variable named veracity, which includes three categories: true, false, and unknown. We further analyzed the quality of these datasets with the results presented in the table below. This is a live repository, and we add more datasets as they become available. If you would like to contribute a novel dataset or report any issues, please email us or visit our GitHub.

Currently, we have 36 claims datasets and 9 paragraph datasets in the repository listed below, where the columns indicate three quality checks: keyword and temporal columns indicate spurious correlations in the data, and feasibility indicates if the majority of the data points have enough information to be verified in the first place. Please refer to our paper for further details.

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We also present the subject counts and the language coverage present in these datasets.

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Note for Users

The large number of NA values is expected. Given that we have merged multiple datasets with different variables, there are a large number of missing values (NA) for variables not relevant to records from each specific dataset. Variables referring to the same type of information, but labelled differently (e.g. claim, text, tweet, etc.), were standardized under a common name (e.g. claim). In contrast, variables unique to a specific dataset and not present in others retained their original names. As a result, these variables appear as missing (NA) in other datasets where they were not originally present.

As a result of merging datasets with different codings, some variables may contain equivalent observations expressed in different forms. For instance, the country variable may include values such as US, usa, and United States. Further data cleaning is recommended for non-standarized variables.

Data pre-processing

These scripts were designed to transform the data format from the original CSV file to the Parquet files.

The pre-processing can be summarized as the following steps: 

  1. Mapping the Veracity from a number/null value to a string-like boolean:  1 --> True, 2 --> False, 3 --> unknown, null --> na, etc.

  2. The columns are reordered so that the "veracity" column is 2nd and the "dataset" column is 3rd. No other order changes will be made.

  3. Converting all the "null" to "na" and all data to string type

  4. Making the "split" column evenly distributed

  5. Converting from csv format to parquet format

  6. Splitting the parquet file into 3 categories (train, test, validation)

  7. Splitting the train, test, and validation files into versions per dataset

For More Information

C. Thibault et al., 'A Guide to Misinformation Detection Data and Evaluation', arXiv [cs.SI]. 2025.

Link here

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Citation Information

@article{thibault2025guidemisinformationdetectiondata,
  title={A Guide to Misinformation Detection Data and Evaluation}, 
  author={Camille Thibault and Jacob-Junqi Tian and Gabrielle Peloquin-Skulski and Taylor Lynn Curtis and James Zhou and Florence Laflamme and Yuxiang Guan and Reihaneh Rabbany and Jean-François Godbout and Kellin Pelrine},
  year={2025},
  eprint={2411.05060},
  archivePrefix={arXiv},
  primaryClass={cs.SI},
  url={https://arxiv.org/abs/2411.05060}, 
}