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训练语料Training Corpus

Training Corpus

  • 数据与检索Data & retrieval
  • 第一站 · 进门Station 1 · Getting In
解决什么问题What problem it solves

模型「读过」的海量文本汇编:它的来源和毛病,决定了模型的一切表现。The massive text compilation a model has 'read': its sources and flaws shape everything the model does.

这是什么What it is

大模型的预训练语料是对海量公开网络文本的清洗汇编。

Common Crawl 是代表性来源。它是一家非营利组织,2007 年成立,维护免费开放的网页存档。

GPT-3 论文承认大规模网络语料带来方法学问题,语料构成细节见论文 §2.2。

语料里的偏见、错误、过时信息,都会原样带进模型。

A large model's pre-training corpus is a cleaned compilation of vast public web text.

Common Crawl is a representative source: a non-profit founded in 2007 maintaining a free, open repository of web crawl data.

The GPT-3 paper acknowledges methodological issues from training on large web corpora; corpus details are in §2.2.

Biases, errors, and outdated information in the corpus carry straight into the model.

为什么需要知道Why it matters

「模型知道什么」上限就是语料。理解语料从哪来、有什么毛病,才理解模型为什么有知识截止和偏见。What a model knows is capped by its corpus. Understanding where it comes from and what's wrong with it explains knowledge cutoffs and bias.

出处Sources
  • Common Crawl 官网(free, open repository of web crawl data)Common Crawl (free, open repository of web crawl data) ↗
  • GPT-3 论文(语料与方法学问题见 §2.2)GPT-3 paper (corpus and methodological issues, §2.2) ↗
  • 从业者深版:数据与算力专题(AI 模型站)Practitioner deep-dive: data & compute guide (AI Models site) ↗