Guidelines for Second-Level Categories
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1ssd7
I wanted to get a discussion started about what the second-level categories should look like. How many sub-levels will we have after this? Does the general consensus of "more levels > less levels" still hold at this second level?
It seems to me that because of the difference in scope of many of the top level categories, the second-level will vary a lot in terms of both size and detail for each of the various top level categories. For instance, the sub-categories of "Science" will still be pretty big categories ("Physics," for example). While I could see "Economics" having a second-level category of "Econometrics" which would likely be a fairly small group of books at many public libraries.
Despite the fact that these second-level categories will differ so greatly, I thought it might be valuable to have at least some common set of goals in mind when trying to create the second-level categories.
It seems to me that because of the difference in scope of many of the top level categories, the second-level will vary a lot in terms of both size and detail for each of the various top level categories. For instance, the sub-categories of "Science" will still be pretty big categories ("Physics," for example). While I could see "Economics" having a second-level category of "Econometrics" which would likely be a fairly small group of books at many public libraries.
Despite the fact that these second-level categories will differ so greatly, I thought it might be valuable to have at least some common set of goals in mind when trying to create the second-level categories.
