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As shared in a separate comment in the thread, there's the Microformats2 specification (see https://microformats.io) which reduces duplication seen with some of the other Semantic Web formats.

You can see an example of a parsing result at http://php.microformats.io/?url=https%3A%2F%2Fwww.jvt.me%2Fmf2%2F2020%2F01%2F2mylg%2F which produces a standardised structure for the resulting JSON, which makes interconnectivity much simpler.

Us folks in the IndieWeb (https://indieweb.org) have been using it for some time with great benefit, but it's always great to hear others reactions too!