On 13 April 2016, Mark Watkins wrote:

> I'm a library sciences newbie, but it seems like LCSH doesn't really provide a 
> formal hierarchy of genre/topic, just a giant controlled vocabulary. Bisac 
> seems to provide the "expected" hierarchy.
>
> Is anyone aware of any approaches (or better yet code!) that translates lcsh 
> to something like BISAC categories (either BISAC specifically or some other 
> hierarchy/ontology)? General web searching didn't find anything obvious.

There's HILCC, the Hierarchical Interface of LC Classification:

https://www1.columbia.edu/sec/cu/libraries/bts/hilcc/subject_map.html

Bill
-- 
William Denton ↔  Toronto, Canada ↔  https://www.miskatonic.org/