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# Lobsters Tagging
At the time of writing, Lobste.rs has 104 tags. Seven of those tags (ask, audio, pdf, slides, show, transcript and video) act as format descriptors. Thier only function is to inform the reader as to the format of the posting. One tag, meta, is used for site discussion. The remaining 96 tags act as content descriptors. Each tag indicates the topics touched on in a submission.
While the current implimentation is a "flat" tagging system. I would argue that there is a ontology between the tags. The diagram below outlines this ontology with boxes being used to represent tags that could exist which would be an accurate label for all of the child content.
Notationally, an oval represents a present tag and a rectange represents a grouping introduced to contain a set of similar tags.
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