CLEF CheckThat! 2025 Task 2 — Hindi Claim Normalization

A CLEF CheckThat! 2025 Task 2 (hindi) dataset of 1,081 social media post and normalized claim pairs, collected by CLEF CheckThat! Lab organizers (2025). Each record contains social media post text containing a factual claim, normalized canonical claim statement. CLEF 2025 CheckThat! Task 2 (hindi) provides 1,081 pairs of social media posts and their normalized factual claims, enabling claim normalization and canonicalization research. Suitable for claim normalization, fact-checking automation, NLP text generation, multilingual claim extraction, social media fact verification.

#Claim normalization#Clef checkthat#Shared task

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Content metrics

1,081 records scored · min–maxmean ± 0.675 σ (the interquartile range if the values are roughly normal)mean

post lengthμ 148.217 ± 148.221
min 20max 3K
claim lengthμ 96.044 ± 48.879
min 15max 533
8.1
Flesch–Kincaid grade
US school grade level
12.1
Automated readability index
Frequent terms
अपनकरनसरकसकतपहलउनककरतइसकउसकभगवतरह039सलमआपकअगरजनतआदमइनकरपतसबससमरहमलकरकखबरquotकहतबननयरलइतन2022करवघटनपकडवजहसबकसमयइजरजगहमददअफगसमझचलतरहतलगतअसमइससधमकबहनयकरअसल
Topic clusters

Topic 0

आरएसएस
समय
असर
बहन
डबल
जगह
आजम
वजह

Topic 1

तरह
तहत
सफर
औरत
सदर
बरस
पहन
आईएएस

Topic 2

अगर
लगभग
गरम
जनपद
god
नमक
खबर
असम

Topic 3

bjp
indian
minister
salute
army
know
gobackmodi
like

Topic 4

असम
नमन
अहमद
नमक
जबरन
school
अलग
दहन

Topic 5

लखनऊ
ऊपर
तरफ
नफरत
सफल
समझ
सफर
gobackmodi

Topic 6

खबर
अरब
जबरन
near
rip
lockdown
ख़बर
गरम

Topic 7

बनकर
सड़क
बदलकर
पदक
अकबर
आईएएस
वजह
अलवर

Topic 8

नजर
आकर
कतर
लहर
army
गलत
ऊपर
खबर

Topic 9

कतर
कदर
sir
कवर
srk
जहर
rip
god

Topic 10

मतलब
उतर
डबल
ias
नफरत
समय

Topic 11

watch
नफरत
time
real
buy
hour
price
तरफ
Show all 17 topics

Topic 12

वजह
रहन
सहन
look
break
pathaan
good
लखनऊ

Topic 13

मदद
नफरत

Topic 14

शहर
muslim
shri
country
लहर
अरब
world
खबर

Topic 15

बहन
let
football
history
दहन
गलत
तरफ

Topic 16

समय
एयर
सफर
Top hashtags
#03957
#प8
#क7
#द5
#स5
#भ4
#म4
#र4
#व4
#bharatjodoyatra3
#gobackmodi3
#न3
#य3
#ह3
#goback_modi2
#ranbirkapooraliabhattwedding2
#srk2
#पठ2
#फ2
#ब2
Top emoji
𝐄2
𝐍2
𝐀1
𝐁1
𝐆1
𝐈1
𝐊1
𝐑1
𝐒1
𝐖1

Computed over the full corpus.

Record

Catalog key
checkthat-2025-task2-hindi
Authors
Nakov, Preslav; Barrón-Cedeño, Alberto; Da San Martino, Giovanni; CheckThat! Lab Organizers
Year
2025
Source paper
CLEF 2025 CheckThat! Lab Task 2: Claim Normalization
DOI / arXiv
10.1007/978-3-031-88720-8_68
License
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 (CC BY-NC-SA 4.0) (CC-BY-NC-SA-4.0)
Records
1,081
Languages
hi
Collected
2025 (2020s)
Tasks
Claim normalization inferred
Region
South Asia (inferred: from the language of the data)

Provenance

Originally published at
https://gitlab.com/checkthat_lab/clef2025-checkthat-lab link checked
Hosted copy
Mirrored on echo.directory on 2026-10-02, 645.6 KB across 1 files. Checksums in MANIFEST.json.

How to cite

BibTeX

@misc{echo2026,
  title  = {ECHO: Exploratory Compendium of Humanity Online},
  author = {Switzer, Braden and Zafarani, Reza},
  year   = {2026},
  url    = {https://echo.directory},
  note   = {Syracuse University}
}

@inproceedings{checkthat2025task2,
  title     = {CLEF 2025 {CheckThat!} Lab Task 2: Claim Normalization},
  author    = {Nakov, Preslav and others},
  booktitle = {CLEF 2025 Working Notes},
  year      = {2025}
}

APA

Switzer, B., & Zafarani, R. (2026). ECHO: Exploratory Compendium of Humanity Online [Data repository]. Syracuse University. https://echo.directory

Nakov, P., Barrón-Cedeño, A., Da San Martino, G., & CheckThat! Lab Organizers (2025). CLEF CheckThat! 2025 Task 2 — Hindi Claim Normalization [Data set]. https://doi.org/10.1007/978-3-031-88720-8_68

MLA

Switzer, Braden, and Reza Zafarani. ECHO: Exploratory Compendium of Humanity Online. Syracuse University, 2026, echo.directory.

Nakov, Preslav, et al. CLEF CheckThat! 2025 Task 2 — Hindi Claim Normalization. 2025, doi.org/10.1007/978-3-031-88720-8_68.

BibTeX · RIS · CSL-JSON

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