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Open Datasets
English Wikipedia Articles 2017 (SQLite)
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English Wikipedia Articles 2017 (SQLite)

Massive corpus of Wikipedia articles in English dated 2017, structured in an SQLite database to facilitate large-scale textual analysis.

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Size

5M articles — 23M sections — 20 GB — SQLite format

Licence

CC BY-SA 3.0

Description

This dataset offers a complete dump of the English version of Wikipedia dated August 2017. It contains nearly 5 million items divided into over 23 million sections. Everything is stored in an SQLite database, allowing for fast queries and seamless integration into industrial NLP pipelines.

What is this dataset for?

  • Train language models (LLMs) on a rich encyclopedic corpus
  • Test automatic summarization or thematic classification techniques
  • Building search engines or question-answer systems based on general content

Can it be enriched or improved?

Yes. This corpus can be enriched by linguistic annotations, semantic vectors, or crossed with databases of internal links. It can also be updated with newer versions of Wikipedia or adapted for multilingual translation and automated summary generation.

🔎 In summary

Criterion Evaluation
🧩 Ease of use⭐⭐⭐✩✩ (Medium – requires SQL queries)
🧼 Need for cleaning⭐⭐⭐⭐✩ (Low – text already extracted, links removed)
🏷️ Annotation richness⭐✩✩✩✩ (No annotation – raw but structured)
📜 Commercial license⚖️ Yes (CC BY-SA 3.0 with attribution and share alike)
👨‍💻 Beginner friendly⚠️ Requires SQL/NLP basics
🔁 Fine-tuning ready🎯 Excellent for pretraining or fine-tuning a LLM
🌍 Cultural diversity⚠️ English-speaking, relatively neutral and encyclopedic

🧠 Recommended for

  • NLP researchers
  • Generalist data scientists
  • LLMs developers

🔧 Compatible tools

  • Gensim
  • Hugging Face
  • SQLite
  • SpacY
  • LangChain

💡 Tip

Filter articles by length or theme via SQL for targeted sub-corpora adapted to your NLP tasks.

Frequently Asked Questions

Does the dataset include Wikipedia images, links, or metadata?

No, only the texts of the articles are present. All internal links and other HTML elements have been removed.

Is it easy to access content without SQL knowledge?

A basic knowledge of the SQL language is recommended to fully exploit the structure of the SQLite file.

Is this corpus suitable for training large language models?

Yes, its size and richness make it an excellent basis for pre-training or refining large-scale language models.

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