text string | id string | dump string | url string | date string | file_path string | offset int64 | token_count int64 | language string | page_average_lid string | page_average_lid_score float64 | full_doc_lid string | full_doc_lid_score float64 | per_page_languages list | is_truncated bool | extractor string | page_ends list | fw_edu_scores list | fw_edu_v2_scores null | dclm_scores null | ocr_quality_scores null | minhash_cluster_size int64 | duplicate_count int64 | cysill_errors list | cysill_errors_count int64 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Laura Karadog: Creu Ap Cwtsh: Ap i helpu chi i ddod i adnabod eich hun / Creating Ap Cwtsh: An app to help you get to know yourself
Published on 27/04/2018 — Yn Erthyglau/Ffurfiol
Mae crw yn Abertawe a Gorllewin Cymru wedi creu adnodd newydd i’ch cychwyn chi ar y daith o ddod i adnabod eich hun. Yma, mae Laura Karado... | <urn:uuid:cd040e2d-84bc-4d5d-aa8d-dc692ba3f6f9> | CC-MAIN-2019-18 | https://parallel.cymru/wp-content/uploads/Laura-Karadog-Creu-Ap-Cwtsh-Parallel.cymru_.pdf | 2019-04-22T17:04:19Z | crawl-data/CC-MAIN-2019-18/segments/1555578558125.45/warc/CC-MAIN-20190422155337-20190422181337-00153.warc.gz | 500,747,761 | 2,752 | cym_Latn | cym_Latn | 0.979918 | cym_Latn | 0.98093 | [
"cym_Latn",
"cym_Latn",
"cym_Latn"
] | true | rolmOCR | [
1823,
8568,
8976
] | [
1.5078125
] | null | null | null | 1 | 0 | [
{
"following_hr_text": " Karadog: Creu Ap Cwtsh: Ap i helpu chi ",
"human_readable": "Laura",
"human_readable_offset": 0,
"is_spelling": true,
"message": "Camsillafu",
"offset_end": 5,
"offset_start": 0,
"preceding_hr_text": "",
"suggestions": [
{
"human_readable": ... | 101 |
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"cym_Latn"
] | false | rolmOCR | [
1941
] | [
0.3984375
] | null | null | null | 1 | 9 | [{"following_hr_text":" (safle tacsis) ychwanegol fel ychwanegi","human_readable":"hacni","human_rea(...TRUNCATED) | 16 |
"Eistedfod y Cymoedd\n\n19eg o Hydref 2018\n\nDechrau am 4:00\nYsgol Gyfun Cwm Rhymni\nCampws y Gwyn(...TRUNCATED) | 18de5f7a-3d08-456c-9354-b4505384e209 | CC-MAIN-2023-14 | https://mentercaerffili.cymru/uploads/newsletters/Rhifyn-Publisher-206.pub-pdf.pdf | 2023-04-01T19:13:39+00:00 | "crawl-data/CC-MAIN-2023-14/segments/1679296950247.65/warc/CC-MAIN-20230401191131-20230401221131-004(...TRUNCATED) | 424,256,703 | 16,435 | cym_Latn | cym_Latn | 0.999646 | cym_Latn | 0.999997 | ["cym_Latn","cym_Latn","cym_Latn","cym_Latn","cym_Latn","cym_Latn","cym_Latn","cym_Latn","cym_Latn",(...TRUNCATED) | true | rolmOCR | [438,1058,4451,6684,10185,13489,13902,17086,20097,21143,23488,26427,28972,32027,33813,35204,37007,38(...TRUNCATED) | [
1.0625,
1.375
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"N am Nadolig (1)\n\nN am Nadolig sy’n llawn o swyn\nDydd cofio geni ein Ceidwad mwyn.\n\nA am yr (...TRUNCATED) | <urn:uuid:dbfca86e-a47d-4bbf-92f2-e330783e0f00> | CC-MAIN-2024-22 | http://gair.cymru/wp-content/uploads/2020/10/Nadolig-N-am-Nadolig-1.pdf | 2024-05-27T12:22:29+00:00 | "crawl-data/CC-MAIN-2024-22/segments/1715971059040.32/warc/CC-MAIN-20240527113621-20240527143621-005(...TRUNCATED) | 11,278,616 | 205 | cym_Latn | cym_Latn | 0.999941 | cym_Latn | 0.999941 | [
"cym_Latn"
] | false | rolmOCR | [
484
] | [
1.3359375
] | null | null | null | 1 | 0 | [{"following_hr_text":" yr angel a ddaeth yn y nos\nAt y bugeili","human_readable":"A am","human_rea(...TRUNCATED) | 3 |
"Map derived from O.S. 50k Raster\n\nThis map is based upon the Ordnance Survey material with the pe(...TRUNCATED) | <urn:uuid:0da00e9d-cd1b-470d-8d79-bd6ce39b2a6e> | CC-MAIN-2024-42 | https://www.gov.wales/docs/statistics/lsoamaps/the%20vale%20of%20glamorgan/W01001090.pdf | 2024-10-12T00:09:16+00:00 | "crawl-data/CC-MAIN-2024-42/segments/1727944253858.36/warc/CC-MAIN-20241011230131-20241012020131-000(...TRUNCATED) | 684,382,065 | 224 | cym_Latn | cym_Latn | 0.988545 | cym_Latn | 0.988545 | [
"cym_Latn"
] | false | rolmOCR | [
696
] | [
0.171875
] | null | null | null | 1 | 0 | [{"following_hr_text":" map is based upon the Ordnance Survey m","human_readable":"This","human_read(...TRUNCATED) | 14 |
"STRATEGAETH Y GYMRAEG\n\n2021 | 2025\n\nEIN STRATEGAETH AR GYFER Y GYMRAEG\n\nMae Comisiynydd yr He(...TRUNCATED) | <urn:uuid:78d0ff75-7ceb-409e-8783-fc05bbfe3521> | CC-MAIN-2025-08 | https://www.gwent.pcc.police.uk/media/n33fbz34/2179_01_welsh_language_strategy_2021-2025_cym.pdf | 2025-02-19T01:36:02+00:00 | "crawl-data/CC-MAIN-2025-08/segments/1738832262974.94/warc/CC-MAIN-20250219003812-20250219033812-003(...TRUNCATED) | 722,487,562 | 6,499 | cym_Latn | cym_Latn | 0.954505 | cym_Latn | 1.000008 | ["unknown","cym_Latn","unknown","cym_Latn","cym_Latn","cym_Latn","cym_Latn","cym_Latn","cym_Latn","c(...TRUNCATED) | false | rolmOCR | [
34,
1849,
3316,
4240,
6597,
8990,
11126,
13424,
13732,
15560,
15892
] | [
0.9921875
] | null | null | null | 2 | 0 | [{"following_hr_text":", ac i greu cymdeithas lle y gallir defn","human_readable":"yn Nghymru","huma(...TRUNCATED) | 49 |
"© Hawlfraint y Goron 2022.\nCedwir pob hawl.\nFersiwn 2022-09\n\nEr ein bod wedi gwneud pob ymdrec(...TRUNCATED) | 671acbcf-98c4-4873-a441-d0247aa203d2 | CC-MAIN-2024-42 | https://www.ordnancesurvey.co.uk/documents/Explorer-Generic-Legend-Welsh-2022-09.pdf | 2024-10-13T11:40:28+00:00 | "crawl-data/CC-MAIN-2024-42/segments/1727944255196.91/warc/CC-MAIN-20241013092052-20241013122052-004(...TRUNCATED) | 801,287,621 | 4,180 | cym_Latn | cym_Latn | 0.999828 | cym_Latn | 0.99998 | [
"cym_Latn",
"cym_Latn",
"cym_Latn",
"cym_Latn",
"unknown",
"cym_Latn"
] | true | rolmOCR | [
981,
3046,
6398,
8421,
10782,
11492
] | [
0.97265625
] | null | null | null | 2 | 0 | [{"following_hr_text":", yn benodol yn achos gwybodaeth sy'n ta","human_readable":"hepgoriadau","hum(...TRUNCATED) | 117 |
"Beth yw Boccia?\n\nMae Boccia yn debyg i bowls a llawer o gemau taflu pêl.\n\nYr egwyddor sylfaeno(...TRUNCATED) | 2f5998b1-e2e0-457a-a0c1-324ee5937323 | CC-MAIN-2024-33 | https://www.disabilitysportwales.com/application/files/4616/9576/1603/DSW_Gweithgareddau_Boccia.pdf | 2024-08-16T01:59:39+00:00 | "crawl-data/CC-MAIN-2024-33/segments/1722641319057.20/warc/CC-MAIN-20240815235528-20240816025528-007(...TRUNCATED) | 553,841,619 | 7,434 | cym_Latn | cym_Latn | 0.999976 | cym_Latn | 0.999994 | ["cym_Latn","cym_Latn","cym_Latn","cym_Latn","cym_Latn","cym_Latn","cym_Latn","cym_Latn","cym_Latn",(...TRUNCATED) | true | rolmOCR | [243,423,1411,3402,3942,5329,5994,6791,7559,9187,9792,10695,11304,12285,12811,13593,13956,14924,1517(...TRUNCATED) | [
3.78125
] | null | null | null | 2 | 0 | [{"following_hr_text":"?\n\nMae Boccia yn debyg i bowls a llawer ","human_readable":"Boccia","human_(...TRUNCATED) | 88 |
"ADRODDIAD BLYNYDDOL\nCYFARWYDDWR\nGWASANAETHAU CYMDEITHASOL\nCYNGOR SIR DDINBYCH\n2016 - 2017\n\nGe(...TRUNCATED) | f6130e74-a2f3-4c40-8519-0c3386ffaeb5 | CC-MAIN-2025-08 | https://www.sirddinbych.gov.uk/cy/dogfennau/eich-cyngor/cyrchu-gwybodaeth/social-services-annual-report/gwasanaethau-cymdeithasol-adroddiad-blynyddol-2016-17.pdf | 2025-02-14T11:57:46+00:00 | "crawl-data/CC-MAIN-2025-08/segments/1738831951864.31/warc/CC-MAIN-20250214101057-20250214131057-007(...TRUNCATED) | 910,651,782 | 40,226 | cym_Latn | cym_Latn | 0.975203 | cym_Latn | 1.000001 | ["cym_Latn","anp_Deva","cym_Latn","cym_Latn","cym_Latn","cym_Latn","cym_Latn","cym_Latn","cym_Latn",(...TRUNCATED) | true | rolmOCR | [171,1238,3376,5298,7641,8659,10403,12979,16034,18971,21673,24350,25124,28486,31315,33853,37037,4047(...TRUNCATED) | [
1.0625,
1.0859375
] | null | null | null | 2 | 0 | [] | -2 |
End of preview. Expand in Data Studio
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Check out the documentation for more information.
Dataset Card: finepdfs-cy-errors
Description
This dataset contains Welsh-language text extracted from PDFs using rolmOCR, with automated spelling and grammar error annotations generated by Cysill (the Welsh spell checker). The dataset is derived from the Welsh (cym_Latn) subset of HuggingFaceFW/finepdfs, filtered to include only documents processed with the rolmOCR extractor.
Dataset Statistics
Corpus Size
- Total number of words: 1,575,836
- Total number of errors found with Cysill: 73,574
- Number of documents: 183
- Average words per document: 8611.13
- Average errors per document: 402.04
Processing Details
- Source dataset: HuggingFaceFW/finepdfs (cym_Latn subset, test split)
- Extractor filter: rolmOCR only
- Spell checker: Cysill v2 API
- Language: Welsh (Cymraeg)
Fields
text: The extracted text content from the PDFcysill_errors: List of error objects returned by Cysill APIcysill_errors_count: Number of errors detected in the text- (Additional fields inherited from finepdfs dataset)
Processing Configuration
- Cysill API configuration:
- Format: text
- Language: cy (Welsh)
- Max errors per chunk: 1000
- Accept English: true
- Chunk size: 50,000 characters (split by paragraphs)
Usage
This dataset can be used for:
- Evaluating OCR quality for Welsh-language documents
- Analyzing common spelling and grammar errors in Welsh text
- Training or evaluating spell-checking and grammar-checking models for Welsh
- Assessing the quality of PDF text extraction methods
Hub Location
techiaith/finepdfs-cy-errors
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