Re: [xsl] is there a way to hash an element?

Subject: Re: [xsl] is there a way to hash an element?
From: "Dimitre Novatchev dnovatchev@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 9 Jun 2016 22:51:50 -0000
You may even not need a hash function.

Just use the standard XPath 3.0 function:

  serialize()


http://www.w3.org/TR/xpath-functions-30/#func-serialize


Cheers,
Dimitre

On Thu, Jun 9, 2016 at 3:08 PM, Graydon graydon@xxxxxxxxx
<xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
> Hello all --
>
> So I've got about half a gibabyte of XML messages describing various
> health care actions.  Many of these are structural duplicates of each
> other; the top elements differ by their attribute values, but the
> structure and values of the descendant elements is the same.  The amount
> of duplication varies from none to thousands.
>
> I've got an apparently useful heuristic based on descendant attribute
> values, but would -- it is health care data -- really like to have a
> more robust way to group the elements into set of equivalent top-level
> names by their structural sameness.  (I can't hand-check the whole data
> set.)
>
> So I find myself wanting an equivalent of sha256sum for elements so I
> could generate a grouping key from the descendant elements and their
> associated attributes as a unit.
>
> Is there such a thing?  Equivalent approaches?
>
> Thanks!
> Graydon
> 



-- 
Cheers,
Dimitre Novatchev
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