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Re: [xml-dev] Holographic XML

> I guess Excel spreadsheets are three-dimensional - row, column, and
> sheet number.

All fixed dimension representations are countable.
That means that each tuple can be mapped to a single number
like this for 2 dimensions.

.!.1..2..3..4 ...
1!.1..2..6..7 ...
2!.3..5..8 ...
3!.4..9.13 ...
4!10.12 ...
5!11 ...

So in effect fixed dimension tuples are 1-dimensional ...

This remembers me on the hotel with an infinite number of rooms.
All of the rooms are booked.
1) A new guest arrives
2) a bus with infinite new guests arrives
3) infinite busses with infinity guests each arrive.

All can be helped to get a room in that hotel ...

Mit besten Gruessen / Best wishes,

Hermann Stamm-Wilbrandt
Developer, XML Compiler, L3
Fixpack team lead
WebSphere DataPower SOA Appliances
IBM Deutschland Research & Development GmbH
Vorsitzender des Aufsichtsrats: Martin Jetter
Geschaeftsfuehrung: Dirk Wittkopp
Sitz der Gesellschaft: Boeblingen
Registergericht: Amtsgericht Stuttgart, HRB 243294

From:       Michael Kay <mike@saxonica.com>
To:         Micah Dubinko <Micah.Dubinko@marklogic.com>,
            "xml-dev@lists.xml.org" <xml-dev@lists.xml.org>
Date:       09/09/2010 08:53 AM
Subject:    Re: [xml-dev] Holographic XML

  On 07/09/2010 6:54 PM, Micah Dubinko wrote:
> XML is 1-dimensional. It is defined as a sequence of characters.

That's indeed true. Most of our programming languages and data
representation formats are one-dimensional. This is interesting, because
in the past - when people still used punched cards - two-dimensional
formats were much more popular; that is, the significance of a piece of
data was determined by two coordinates, row number and column number.

I guess Excel spreadsheets are three-dimensional - row, column, and
sheet number.


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