Data as of Aug 22, 2026 · Based on 3,228,310 AI responses across 10,752 prompts · See how Parse measures this
OCLC's Dewey Decimal Classification (DDC) system is the world's most widely used library classification system, organizing collections for libraries of all sizes. It now offers linked data with URIs for Dewey numbers, enabling machine-actionable connections across classification systems and subject headings.
Sources
en.wikipedia.org shapes more of what AI says about Dewey Decimal Classification than any other source, at 100% of its citations.
The market map
Library Management Systems →Where AI ranks Dewey Decimal Classification