The Spotfire Library appears to be implemented as several tables in the Spotfire database with "LIB" prefix.
We can retrieve relevant analysis meta data from the Library with something like following query, for example:
SELECT LIB_ITEMS.TITLE,LIB_ITEMS.DESCRIPTION,LIB_ITEMS.CONTENT_SIZE
FROM LIB_ITEMS
WHERE LIB_ITEMS.ITEM_TYPE = (SELECT LIB_ITEM_TYPES.TYPE_ID FROM LIB_ITEM_TYPES WHERE LIB_ITEM_TYPES.LABEL = 'dpx')
ORDER BY LIB_ITEMS.TITLE ASC
Hope this helps. :)