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First I’ve heard of Semantic Markdown [0]. It appears to be a way to embed RDF data in Markdown documents.

The page I found is labeled “Alpha Draft,” which suggests there isn’t a huge corpus of Semantic Markdown content out there. This might impede LLM’s ability to understand it due to lack of training data. However, it seems sufficiently readable that LLMs could get by pretty well by treating its structured metadata as parathenicals

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What is Semantic Markdown?

Semantic Markdown is a plain-text format for writing documents that embed machine-readable data. The documents are easy to author and both human and machine-readable, so that the structured data contained within these documents is available to tools and applications.

Technically speaking, Semantic Markdown is "RDFa Lite for Markdown" and aims at enhancing the HTML generated from Markdown with RDFa Lite attributes.

Design Rationale:

Embed RDFa-like semantic annotation within Markdown

Ability to mix unstructured human-text with machine-readable data in JSON-LD-like lists

Ability to semantically annotate an existing plain Markdown document with semantic annotations

Keep human-readability to a maximum About this document

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[0] https://hackmd.io/@sparna/semantic-markdown-draft



The specific library I mentioned was linked on HN awhile back: https://news.ycombinator.com/item?id=41043771




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