[xquery-talk] Help Understanding the XQJ Model
roger.holmes76 at yahoo.co.uk
Tue Mar 24 17:21:53 PST 2009
I was wondering how do the Data Model instances (XDM, infoset, DOM) also known as trees (listed as DM4 in the XQJ Specification diagram "Processing Model overview") differ from the "Operation Tree" (identified as SQ5) and how do they interact ?
I am right in thinking the operation tree is purely instructional albeit with information resolved from the context whereas the data model contains actual data ?
How have the operation trees differed across Xquery implementations ? Do they relate at all to the classic Binary Search Tree (i.e go either left or right) ?
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