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#common-crawl
1 articles
01
2026-08-26
·
Large Language Models
·
FREE
·
PAPER
·
10 min read
Building a Pretraining Corpus — From Web Sludge to Textbook Quality
Behind the single line "pretrained on a large corpus of web text" sit four stages: text extraction, quality filtering, deduplication, and mixture weights. This is a from-scratch walkthrough of how a gravel heap called Common Crawl gets sifted into textbook-quality prose — from the MinHash equation to the parameter names you actually touch.