README.md

metadata

language:
  - en
  - cy
license: apache-2.0
task_categories:
  - translation
  - question-answering
size_categories:
  - 10K<n<100K

🏴󠁧󠁢󠁷󠁬󠁳󠁿🇬🇧 Welsh-English EUbookshop Translation Dataset

Part of the Welsh parallel corpora collection. Contains 2,124 Welsh-English translation pairs in chat format.

Please find a blog on the data curation process here.

Dataset Description

This dataset provides Welsh-English translation pairs from EUbookshop. Corpus of documents from the EU bookshop. The data has been processed through a multi-stage quality pipeline and formatted for instruction-based fine-tuning.

Format

Each entry is in OpenAI chat format with balanced bidirectional translations (~50% English→Welsh, ~50% Welsh→English).

Source

Data sourced from OPUS - EUbookshop.

Original source: http://bookshop.europa.eu

Processing Pipeline

1. Length Filtering: Removed pairs < 20 characters
2. Semantic Deduplication: MinHash LSH with multilingual embeddings (threshold: 0.85)
3. Quality Filtering: Removed URLs, emojis, and excessive repetition
4. Bidirectional Balancing: Equal representation of both translation directions

Citation

Related Datasets

• locailabs/welsh_parallel_corpora - Combined dataset