wiki-archive/twiki/temp-gjr/BDI/SDD/BestPractices.txt,v

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@---+!! %TOPIC%
%META:TOPICINFO{author="GregorHagedorn" date="1146741987" format="1.0" version="1.14"}%
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* UnnamedBodyPartsDefinedByLocation
* [[#RepresentingSexes][Representing different sexes]]
* [[#BlackBorderedBy][Representing a modified state like "Black bordered by orange-brows"]]
* ClosedTopicStandardNamesForAbundanceStates
This topic is for (the discussion of) recommendations to developers.
---
#RepresentingSexes How should one define the <nop>RankLevel of two different sexes of a species. Are they both Species?
-- Main.BobMorris - 08 Mar 2004
Yes. Neither sex nor development stages (is a baby a human species?) are related to the concept of a taxonomic hierarchy. Populations, metapopulations, subspecies, species, genera etc. all reflect evolutionary history - sex and stages don't. Please see the discussion under ResolvedTopicRankLevelBogosity. The problem raised in TheProblemOfSex is nevertheless valid and we don't have a solution yet! (See also the attempt to clarify it under SecondaryClassifiersWithinClasses.)
-- Gregor Hagedorn, 9. Mar 2004
---
#BlackBorderedBy How should one define a <nop>Character "Margin of Hind Wing Dorsal" of some species (Butterfly) which has the following state "Black bordered by orange-brown".
-- Main.JacobAsiedu - 11 Mar 2004
This surely depends entirely on the context of the description/key. For instance, if we are dealing with a discriminatory structure (a key, whether pathway or matrix) and the contradistinction is between one group of butterlies with dorsal hindwings that are "black bordered with orange-brown" versus another group that are "brown bordered with orange-black" then it would be quite appropriate to have those two as states of a single character. Note that each "state" is actually a "mini-description", a common occurrence (particularly in pathway keys, less so in matrix keys where the level of atomization is usually greater). If however the purpose of the character is for a description, it may be desirable to atomize it into "Sub-Margin of dorsal hindwing: black" and "Border of margin of dorsal hindwing: orange-brown". The point is that the level of atomization must be left to the user who will behave according to the context - we cannot be proscriptive here, as that way danger lies.
Is this what you meant?
-- Main.KevinThiele - 11 Mar 2004
Yes that is what i meant. Thanks. I think i have a better understanding now than i did this morning :) will let you all know when i face any more problems.
-- Main.JacobAsiedu - 12 Mar 2004
---
How should states true and false be declared? Is it up to each Terminology to deal with this? I hope not, for integration's sake. -- Main.BobMorris - 09 Aug 2004
At the moment they are simply declared as concept states, like red and blue. Why not? I do not see an integration issue depending on this. "Yes/No", "true/false", "absent/present", "square/not so" all may express the same boolean fact, depending on how the character is formulated. If we would define standard-wide constants for true and false, what would that gain us, without also standardizing the character for it? -- [[Main.GregorHagedorn][Gregor Hagedorn]] - 9 Aug. 2004
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* UnnamedBodyPartsDefinedByLocation
* [[#RepresentingSexes][Representing different sexes]]
* [[#BlackBorderedBy][Representing a modified state like "Black bordered by orange-brows"]]
* ClosedTopicStandardNamesForAbundanceStates
This topic is for (the discussion of) recommendations to developers.
---
#RepresentingSexes How should one define the <nop>RankLevel of two different sexes of a species. Are they both Species?
-- Main.BobMorris - 08 Mar 2004
Yes. Neither sex nor development stages (is a baby a human species?) are related to the concept of a taxonomic hierarchy. Populations, metapopulations, subspecies, species, genera etc. all reflect evolutionary history - sex and stages don't. Please see the discussion under RankLevelBogosity. The problem raised in TheProblemOfSex is nevertheless valid and we don't have a solution yet! (See also the attempt to clarify it under SecondaryClassifiersWithinClasses.)
-- Gregor Hagedorn, 9. Mar 2004
---
#BlackBorderedBy How should one define a <nop>Character "Margin of Hind Wing Dorsal" of some species (Butterfly) which has the following state "Black bordered by orange-brown".
-- Main.JacobAsiedu - 11 Mar 2004
This surely depends entirely on the context of the description/key. For instance, if we are dealing with a discriminatory structure (a key, whether pathway or matrix) and the contradistinction is between one group of butterlies with dorsal hindwings that are "black bordered with orange-brown" versus another group that are "brown bordered with orange-black" then it would be quite appropriate to have those two as states of a single character. Note that each "state" is actually a "mini-description", a common occurrence (particularly in pathway keys, less so in matrix keys where the level of atomization is usually greater). If however the purpose of the character is for a description, it may be desirable to atomize it into "Sub-Margin of dorsal hindwing: black" and "Border of margin of dorsal hindwing: orange-brown". The point is that the level of atomization must be left to the user who will behave according to the context - we cannot be proscriptive here, as that way danger lies.
Is this what you meant?
-- Main.KevinThiele - 11 Mar 2004
Yes that is what i meant. Thanks. I think i have a better understanding now than i did this morning :) will let you all know when i face any more problems.
-- Main.JacobAsiedu - 12 Mar 2004
---
How should states true and false be declared? Is it up to each Terminology to deal with this? I hope not, for integration's sake. -- Main.BobMorris - 09 Aug 2004
At the moment they are simply declared as concept states, like red and blue. Why not? I do not see an integration issue depending on this. "Yes/No", "true/false", "absent/present", "square/not so" all may express the same boolean fact, depending on how the character is formulated. If we would define standard-wide constants for true and false, what would that gain us, without also standardizing the character for it? -- [[Main.GregorHagedorn][Gregor Hagedorn]] - 9 Aug. 2004
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Yes. Neither sex nor development stages (is a baby a human species?) are related to the concept of a taxonomic hierarchy. Populations, metapopulations, subspecies, species, genera etc. all reflect evolutionary history, sex and stages don't. Please see the discussion under RankLevelBogosity.
The problem raised in TheProblemOfSex is nevertheless valid and we probably don't have a solution yet!
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#BlackBorderedBy How should one define a <nop>Character "Margin of Hind Wing Dorsal" of some species(Butterfly)which has the following <nop>State "Black bordered by orange-brown".
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Yes that is what i meant.Thanks. I think i have a better understanding now than i did this morning :) will let you all know when i face any more problems.
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* StandardNamesForAbundanceStates
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How should one define the <nop>RankLevel of two different sexes of a species. Are they both Species?
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How should one define a <nop>Character "Margin of Hind Wing Dorsal" of some species(Butterfly)which has the following <nop>State "Black bordered by orange-brown".
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-- Main.JacobAsiedu - 12 Mar 2004
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-- Main.JacobAsiedu - 11 Mar 2004
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-- Gregor Hagedorn, 9. Mar 2004
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