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[ARTICLE · art-132796] src=dev.to ↗ pub= topic=structured-data verified=true sentiment=↑ positive

AODM: AI Optimized Data Markup

A developer has released AODM (AI Optimized Data Markup), an open vocabulary under the Apache 2.0 license for representing entities, relationships, facts and rules on the web in a form readable by both people and AI systems. The project ships XML and JSON schemas, an HTML embedding profile, reference parsers in Python, JavaScript, Java and C#, a graph compiler and inference engine, an XBRL converter, and a conformance suite requiring all four parsers to agree.

by read1 min views1 publishedSep 17, 2026

AODM is an open vocabulary for representing knowledge on the web — entities, relationships, facts and rules — in a form both people and AI systems can read, validate and exchange.

Apache 2.0. The repo has the XML Schema and JSON Schema, the HTML embedding profile for putting it on pages you already publish, worked examples, reference parsers in Python, JavaScript, Java and C#, a graph compiler and inference engine, an XBRL converter, and a conformance suite that requires all 4 parsers to agree.

html
<p data-aodm='{"fact":"license","about":"aodm","confidence":1.0}'>
  AODM is released under the Apache License 2.0.
</p>

Try it

Browser validator, nothing to install: https://fucaspark.com/validator.php

Repository: https://github.com/FucaSpark/aodm

Happy to answer anything.
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