"Semantic web for the working ontologist" by Dean Allemang and James Hendler might be a good starter if you want to go proper Rdf/RDFS/OWL.
TBH I would probably take a look at terminusDB though. They do things a bit differently, and are def. more opinionated (more closed world, more databasey) but that opinionatedness helps provide a bit saner/stable foundation than the very grown rest of the ecosystem imho.
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"Semantic web for the working ontologist" by Dean Allemang and James Hendler might be a good starter if you want to go proper Rdf/RDFS/OWL.
TBH I would probably take a look at terminusDB though. They do things a bit differently, and are def. more opinionated (more closed world, more databasey) but that opinionatedness helps provide a bit saner/stable foundation than the very grown rest of the ecosystem imho.