| # 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 PDF | |
| - `cysill_errors`: List of error objects returned by Cysill API | |
| - `cysill_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` | |