[ via Ben Hammersley ] Built atop XML Topic Maps, eXchangable Faceted Metadata Language, or
XFML allows for easy creation of advanced, automatically generated navigation for your website. You can even automatically generate links to related topics on other websites. It also allows for merging of metadata between different websites.
I’ll be looking at this.
Update: well, I’ve been reading it, and while I understand their reasoning that allowing topics to live in multiple facets makes implementation harder, I think you have to have it to avoid creating similar topics with different names that live under different facets.
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