UDC
Version 1.0.0 · Updated 2026-07-30
CORE DEFINITION
Decimal: hierarchical division using digits 0-9. Universal: covers all fields of knowledge. Auxiliary symbols: express additional information such as relations, language, and form. Scaffolding role: knowledge organization. Provides a unified classification framework for human knowledge, facilitating information retrieval and knowledge management.
SCAFFOLDING EFFECT
Reduce cognitive load
Knowledge organization. Provides a unified classification framework for human knowledge, facilitating information retrieval and knowledge management.
Anchor fast decisions
A universal system for faceted classification of knowledge using numbers and symbols, supporting synthesis.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/UDCverified
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