[topicmapmail] Generating TMs out of relational Databases
/ How To?
jackpark@thinkalong.com
jackpark@thinkalong.com
Tue, 31 May 2005 08:00:36 -0700
Miller's 7 plus or minus 2
http://www.well.com/user/smalin/miller.html
On Tue, 31 May 2005 16:56:53 +0200
Jan Algermissen <jalgermissen@topicmapping.com> wrote:
>Hi Murray,
>
>I was once told that research shows that the human mind
>can visually grasp up to 7 relationships, anything beyond
>that is noise.
>
>Sorry, don't have a reference foor this at all.
>
>HTH,
>
>Jan
>
>
>On May 31, 2005, at 4:32 PM, M.Altheim wrote:
>
>>
>>
>>
>>> -----Original Message-----
>>> From: topicmapmail-admin@infoloom.com
>[mailto:topicmapmail-
>>> admin@infoloom.com]
>>> On Behalf Of Bénédicte Le Grand
>>> Sent: 31 May 2005 12:39
>>> To: topicmapmail
>>> Subject: RE: [topicmapmail] Generating TMs out of
>relational
>>> Databases / How
>>> To?
>>>
>>> Hello,
>>>
>>> Thank you Murray for this reference to my work ;)
>>>
>>> I agree with Jack, there is a lot to do in the field of
>topic maps
>>> visualization.
>>>
>>> I had to focus on other subjects the last few years but
>I am still
>>> very
>>> interested in TM visualization and I would be glad to
>contribute
>>> in this
>>> area. I do not have much time for programming at the
>moment, but I
>>> would be
>>> glad to share my ideas.
>>>
>>> Best regards,
>>>
>>> Benedicte Le Grand
>>>
>>
>> Benedicte,
>>
>> You're quite welcome, and I'm glad to hear from you --
>it's been
>> a few years, yes?
>>
>> I would be interested in hearing your experience in
>trying to
>> answer a question I think is pertinent to this
>discussion:
>>
>> Q: In the area of Topic Map visualization, when
>visualizing
>> Topics and Associations between Topics, are the
>techniques
>> used to visualize highly-detailed, relatively small
>Topic
>> Maps suitable for larger scale ones? If not, is
>this
>> discontinuity based on a continuum, or is there
>roughly
>> a threshold at which a different visualization
>paradigm
>> is then required?
>>
>> For example, one visualization technique/paradigm might
>be
>> suitable for say, 20 Topics, another for 300 Topics, but
>> neither suitable for 3000 or 30,000. Does this
>*gradually*
>> become unsuitable, or is there a threshold (roughly) at
>> which point a specific style of visualization doesn't
>scale
>> any further?
>>
>> Knowing such a threshold (even roughly) would help
>determine
>> for a given project which visualization approach is
>suitable.
>>
>> Of course, there are many factors in making such
>decisions,
>> such as the required on-screen information, ability to
>zoom,
>> filter, or localize, etc. What I'm thinking is that it
>might
>> be valuable to begin cataloguing the different
>visualization
>> techniques (as you have done so well in the XML Topic
>Maps
>> book), but perhaps on a wiki or somewhere that would
>allow
>> new projects to be added by their authors. Because
>visuali-
>> zation is so crucial in large scale information
>management
>> projects, and where Topic Maps may provide important new
>> abilities, it'd be great to have somewhere where we
>could
>> keep track of existing projects and new developments.
>>
>> Now, I don't mean to put any pressure on you -- I'm sure
>that
>> we both agree that there are no simple answers, but it
>would
>> be valuable to the community to begin to delineate the
>factors.
>>
>> I note that easytopicmaps.org seems to have been
>destroyed by
>> spam, so there's not a particularly good, vendor-neutral
>place
>> to do this. I hope to have a wiki up by the end of
>summer, so
>> perhaps there... until such time, this list does
>provide
>> archives, so we'll at least have a record.
>>
>> All the best,
>>
>> Murray
>>
>>
>......................................................................
>> Murray Altheim
> http://www.altheim.com/murray/
>> Strategic & Service Development
>> The Open University Library
>> Milton Keynes, Bucks, MK7 6AA, UK
>>
>> Ils ont l'orteil de Bouc, & d'un Chevreil
>l'oreille,
>> La corne d'un Chamois, & la face vermeille
>> Comme un rouge Croissant: & dancent toute
>nuict
>> Dedans un carrefour, ou pres d'une eau qui
>bruict.
>> _______________________________________________
>> topicmapmail mailing list
>> topicmapmail@infoloom.com
>> http://www.infoloom.com/mailman/listinfo/topicmapmail
>>
>>
>
>------------------------------------------------------------------------
>-
>Jan Algermissen
>Consultant & Programmer
>
>http://jalgermissen.com
>http://www.tugboat.de
>
>
>
>
>_______________________________________________
>topicmapmail mailing list
>topicmapmail@infoloom.com
>http://www.infoloom.com/mailman/listinfo/topicmapmail