Featured Dataset
Misinformation Span Detection – EI22 & BOL4Y
BOL4Y & EI22 Description of each data provided in the paper. Contents The repository includes the following data files: - dump.csv — Parsed and normalized fact-check metadata extracted from AosFatos HTML pages
File Size116.0 MB
Data TypeDataset
Published2026
Licensecc-by-4.0
Total Views129
Total Downloads384
BOL4Y & EI22
Description of each data provided in the paper.
Contents
The repository includes the following data files:
– dump.csv — Parsed and normalized fact-check metadata extracted from AosFatos HTML pages
– aos_fatos_pages.zip — Raw HTML pages crawled from AosFatos (BOL4Y)
– escriba-csv.zip — Transcripts from escriba
– bol4y.csv.gz — Main BOL4Y dataset (compressed CSV)
– ei22.csv — Main EI22 dataset (CSV)
– bol4y-transcripts.zip — Transcripts associated with BOL4Y
– ei22-transcripts.csv — Transcripts associated with EI22
Data
dump.csv
This file contains parsed fact-checking metadata from AosFatos, used to build BOL4Y.
Original data is in Brazilian Portuguese; column names were translated to English for usability.
Original data is in Brazilian Portuguese; column names were translated to English for usability.
| Column name | Description |
|---|---|
title | Title of the fact check |
date | Publication date of the fact check |
aos_fatos_link | URL of the original AosFatos page |
fact_check | Fact-checking paragraph |
topic_pt | Topic(s) of the false claim (Portuguese) |
source | Origin of the claim (e.g., livestream, speech) |
source_urls | URLs to the original content being fact-checked |
repetition_count | Number of times the same claim was repeated |
year_days_pair | Year, month, and day of each claim occurrence. Includes repeated claims |
page | Crawl page index where the fact check was found |
fact_check_id | Unique identifier for the fact check (shared with BOL4Y) |
BOL4Y (bol4y.csv.gz)
CSV was compressed for easier storage. In it, you will find the following fields:
| Column name | Description |
|---|---|
fact_check_id | Identifier matching dump.csv |
file | Source file for the transcript |
transcription_source | Transcription system (escriba or whisper) |
transcription_index | Segment ID(s) associated with each segment. For some fact-checked segmentes, you’ll see more than one id listed in this field, following the concatenation approach discussed in the paper |
transcription_text | Claim o📤 Share this pageFound this useful? Share it with your network. Files are hosted on the source repository. Click download to access the full dataset. Matos, Breno (2026). Misinformation Span Detection – EI22 & BOL4Y. https://doi.org/10.5281/zenodo.19097541
|