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RE: Data and layout tables: examples

From: John M Slatin <john_slatin@austin.utexas.edu>
Date: Tue, 3 Jun 2003 09:55:04 -0500
Message-ID: <B3DC65CD2AA7EF449E554548C6FE1111E0A2E8@MAIL01.austin.utexas.edu>
To: "Al Gilman" <asgilman@iamdigex.net>, "Eric Velleman" <E.Velleman@bartimeus.nl>, <w3c-wai-gl@w3.org>

Al's right: they're all data tables.  By contrast, the main table(s) at
http://www.metmuseum.org/home.asp are used for layout only-- that is,
they simply ensure the placement of elements on the screen in accordance
with a visual design: their purpose is aesthetic, not informative.

John Slatin, Ph.D.
Director, Institute for Technology & Learning
University of Texas at Austin
FAC 248C
1 University Station G9600
Austin, TX 78712
ph 512-495-4288, f 512-495-4524
email jslatin@mail.utexas.edu
web http://www.ital.utexas.edu

-----Original Message-----
From: Al Gilman [mailto:asgilman@iamdigex.net] 
Sent: Tuesday, June 03, 2003 8:32 am
To: Eric Velleman; w3c-wai-gl@w3.org
Subject: Re: Data and layout tables: examples

All these tables have significant, regular data structure conveyed by

These are _all_ 'data' tables in the colloquial parlance.

In each case there is a special relationship between the content of one 
cell and
the content of another cell in the same row.  These relationships are
connoted by this geometrical alignment; and the nature of the
relationship is repeated row after row.

In the cases where you gave headers, the nature of the repeating 
relationship is
explained in the pattern of headers.


At 08:53 AM 2003-06-03, Eric Velleman wrote:

>If i may follow up on my question about data and layout tables. Thank 
>you everybody who allready sent me answers about definitions. Could you

>comment on the following examples:
>Question: are the examples that follow data or layout tables (supposing
>that table markup has been used)?
>1. What about a table that is used to layout the following columns for 
>list of about 150 people:
>Name, telephone number, building number, floor, internal code
>2. A table that is used to layout a train timetable into three columns 
>the trains from Amsterdam to Utrecht:
>departure, arrival, sort of train
>3. A table that is used for the following 'data' (sorry, i used spaces 
>this mail to fake columns):
>Name,           Telephone number
>Eric                +31 12 3456789
>Peter              +31 12 3456789
>Mary              +31 12 3456789
>John              +31 12 3456789
>4. Number of companies that correlate with the results:
>Company          correlation
>Philips               0,06
>Johnson            0,09
>Nokia                0,4
>Ericsson            0,29
>Kindest regards,
>Eric Velleman
Received on Tuesday, 3 June 2003 10:55:06 UTC

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