[seek-taxon] TCS help: Placeholder question

Robert Gales rgales at ku.edu
Wed Nov 30 06:56:10 PST 2005


Hi Bob,

Thanks for the response, I was just making sure that we are on the same 
page for the current round of implementation of the TOS.

Currently we are doing pretty much what you suggest, storing the entire 
XML fragment in the database so it can be displayed to users or 
applications that pull data from TOS and understand what the structure 
and semantics of the data contained within the Placeholder can do 
something meaningful with it.

It definitely would be an interesting topic of discussion for a 
conference call and falls into the broader discussion of GUIDs and 
schema modularization by TDWG.  Its not clear, at least to me, what the 
current plan from TDWG is for handling schema modularization (xsd:any, 
substitution groups have been proposed, exploring semantic modeling with 
RDF/OWL, etc.).  At the least something like a "best practices" document 
for the schemas would be useful as the community moves towards 
modularization.

- Rob

Robert K. Peet wrote:
> 
> Hi Robert,
> 
> I would like to hear Jessie's view on this.  We should avoid getting 
> sidetracked by these relatively unimportant yet big topics.
> 
> I don't imagine that specimens matter for TOS as we currently imagine it.
> 
> Publications obviously do matter, so we should discuss this in our next 
> phone call if not before.
> 
> Perhaps TOC can simply cashe EML publication records in the 
> PublicationDetailed field and thereby avoid the issue for present.  I do 
> imagine that software that interfaces with TOS will need to display 
> publication details of the complexity supported by EML.
> 
> Would this sort of solution work?
> 
> Bob
> 
> 
> 
> On Tue, 29 Nov 2005, Robert Gales wrote:
> 
>> Good Morning Jessie, Bob,
>>
>> Actually we are using the standard 1.01 version of the schema in this 
>> latest version, so the PublicationDetailed is a Placeholder in the 
>> current work.
>>
>> Out of curiousity, what is the intention of the additional data, other 
>> than just more detailed information?  Is TOS expected to handle and do 
>> something meaningful with this extra data?
>>
>> - Rob
>>
>> Kennedy, Jessie wrote:
>>
>>> Hi Bob
>>>
>>> I think Robert has an older version of the schema which uses an EML like
>>> publication - I'm happy if you use either that or directly the one from
>>> EML - I think we based it on EML anyway.
>>>
>>> For specimens feel free to use ABCD but it's very big - not sure how
>>> much of it you'll need. I think it would be safe to use a valid subset
>>> of it if necessary. This is something I hope will get sorted out via
>>> TDWG when we look at modularising the schemas.
>>>
>>> Jessie
>>>
>>>
>>>> -----Original Message-----
>>>> From: seek-taxon-bounces at ecoinformatics.org [mailto:seek-taxon-
>>>> bounces at ecoinformatics.org] On Behalf Of Robert K. Peet
>>>> Sent: 28 November 2005 20:19
>>>> To: Robert Gales
>>>> Cc: seek-taxon at ecoinformatics.org; Robert Liu
>>>> Subject: Re: [seek-taxon] TCS help: Placeholder question
>>>>
>>>>
>>>> Robert,
>>>>
>>>> What do you recommend that we use for specimen and and for reference?
>>>
>>>
>>> I
>>>
>>>> am inclined to think that we should default to abcd for specimens, and
>>>
>>>
>>> to
>>>
>>>> EML for references.
>>>>
>>>> Bob
>>>>
>>>>
>>>>
>>>> On Mon, 28 Nov 2005, Robert Gales wrote:
>>>>
>>>>
>>>>> Hi Xianhua,
>>>>>
>>>>> The Placeholder class is xsd:any/xsd:anyAttribute with ##any
>>>
>>>
>>> namespace.
>>>
>>>> This
>>>>
>>>>> means that you can plug in elements from any namespace or even no
>>>>
>>>>
>>>> namespace.
>>>>
>>>>> For example with SpecimenItem:
>>>>>
>>>>> <SpecimenItem identifier="cn55">
>>>>> <DataSets xmlns="http://www.tdwg.org/schemas/abcd/2.06">
>>>>>   ...
>>>>>    <Unit>
>>>>>      <UnitId>cn55</abcd:UnitID>
>>>>>      ...
>>>>>    </Unit>
>>>>> </DataSets>
>>>>> </SpecimenItem>
>>>>>
>>>>> or...
>>>>>
>>>>> <SpecimenItem identifier="cn55">
>>>>> <CatalogNumber>55</CatalogNumber>
>>>>> <Locality>5 mi west of Lawrence</Locality>
>>>>> <State>Kansas</State>
>>>>> <County>Douglas</County>
>>>>> <Country>United States</Country>
>>>>> </SpecimenItem>
>>>>>
>>>>> - Rob
>>>>>
>>>>> Robert Liu wrote:
>>>>>
>>>>>> Jessie & Robert:
>>>>>> I am trying to convert data into TCS 1.01 and am not sure how to
>>>>
>>>>
>>>> handle
>>>>
>>>>>> the Class Placeholder. Several elements in TCS are defined as class
>>>>>> Placeholder, such as CharacterCircumscription, Specimen-Collection.
>>>
>>>
>>> I
>>>
>>>>>> wonder how to extend Placeholder to incorperate detail information
>>>
>>>
>>> for
>>>
>>>> each
>>>>
>>>>>> specific element. Thanks.
>>>>>> Xianhua
>>>>>>
>>>>>>
>>>
>>> -----------------------------------------------------------------------
>>>
>>>> -
>>>>
>>>>>> *Yahoo! Personals*
>>>>>> Single? There's someone we'd like you to meet.
>>>>>> Lot's of someone's, actually. Yahoo! Personals
>>>>>> <http://us.rd.yahoo.com/evt=36108/*http://personals.yahoo.com >
>>>>>>
>>>>>>
>>>>>>
>>> -----------------------------------------------------------------------
>>>
>>>> -
>>>>
>>>>>> _______________________________________________
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>>>>
>>>>
>>>> taxon
>>>>
>>>>>
>>>>  ====================================================================
>>>>  Robert K. Peet, Professor              Phone:  919-962-6942
>>>>  Department of Biology, CB#3280         Fax:    919-962-6930
>>>>  University of North Carolina           Cell:   919-368-4971
>>>>  Chapel Hill, NC  27599-3280  USA       Email:  peet at unc.edu
>>>>
>>>>              http://www.bio.unc.edu/faculty/peet/
>>>>  ====================================================================
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>>>
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>>
> 
>  ====================================================================
>  Robert K. Peet, Professor              Phone:  919-962-6942
>  Department of Biology, CB#3280         Fax:    919-962-6930
>  University of North Carolina           Cell:   919-368-4971
>  Chapel Hill, NC  27599-3280  USA       Email:  peet at unc.edu
> 
>              http://www.bio.unc.edu/faculty/peet/
>  ====================================================================

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