For this particular question, the FAQ apparently makes no reference to the tagging/filtering system, which, going by the posts I found, reached something close to its present state two years ago (but has changed since then—the two-year-old posts are out of date and I haven’t found a more recent relevant one).
Also, I notice there is a one-year-old comment:
Oh, I’m terribly sorry. The FAQ has gotten a bit out of date and is due for an update. Since it was written, the frontpage been changed. Curated posts are now the first few posts listed in the “Latest” section, the ones that have stars to the left of their titles.
Sorry for the confusion!
The referenced section of the FAQ remains unchanged since then.
Has anyone tried to map relationships between (at least some) LessWrong posts?
What I’m looking for would be some kind of overview of what connects to what that could be parsed without clicking through links recursively. If I assume a chronologically earlier post cannot refer to a later one, I expect this type of structure to have interesting properties. A practical application that comes to mind is to inform an algorithm to decide what to give attention.
To define a relationship, links from one post to another would be a good if imperfect metric (not all links represent the same type of relationship, and not all relationships are represented by explicit links).