[seek-dev] Today's Ecogrid Call

[Rod Spears]

When I say "table" I am referring to the data from the Ecogrid that is 
vector/column data. In the new code we have written it is passed into 
the HSQL engine and presents a single table of information.

Rod


Dan Higgins wrote:

> Rod,
>     I haven't been following very closely all the work you and Jing 
> (and others) are doing , so this may be a silly question. I notice 
> that you have referred to the EML200DataSource returning a table. Just 
> what sort of data strructure are you referring to?  As far as I know, 
> Kepler doesn't have a 'TableToken'. It this a Java class or some 
> array/vector of column data (strings?) in the Java code? It would be 
> nice if we could create some table strucure like the 'data frames' of 
> 'R' that could be passed between actors iin Kepler and easily manipulated.
>
> Dan
>
> Rod Spears wrote:
>
>> Thinks to think about before we meet:
>>
>> 1) The Eml200DataSource uses the Ecogrid to get Metadata about an 
>> item and then returns the data for that item as a single table. The 
>> QueryBuilder can be used to reduce the number of columns that are 
>> pass through the ports, but is not necessarily a require part of this 
>> data object.
>>
>> 2) What else will we be using the generic QueryBuilder for? Meaning 
>> what kind of data object will be returning more than one table that 
>> is not an Ecogrid Query?
>>     2.1) I think we have talked about this when the user will be 
>> accessing local data files; thru HSQL?  JDBC?
>>         2.1.1) If so, then how do they discover and get their local 
>> data into Kepler?
>>
>> 3) Do we need a more generic EcogridDataSource object that can 
>> execute generic Ecogrid Queries? And if so, do we need an Ecogrid 
>> Query specific QueryBuilder instead of a generic one?
>>
>> 4) Do we need a DiGIR Data Source object, or would this be covered by 
>> #2. If it was DiGIR specific than we could get data from node that 
>> may not be register???? (I am not sure)
>>
>> Rod
>>
>> -- 
>> Rod Spears
>> Biodiversity Research Center
>> University of Kansas
>> 1345 Jayhawk Boulevard
>> Lawrence, KS 66045, USA
>> Tel: 785 864-4082, Fax: 785 864-5335
>>
>
>
>-- 
>*******************************************************************
>Dan Higgins                                  higgins at nceas.ucsb.edu
>http://www.nceas.ucsb.edu/    Ph: 805-892-2531
>National Center for Ecological Analysis and Synthesis (NCEAS) 
>735 State Street - Room 205
>Santa Barbara, CA 93195
>*******************************************************************
>


-- 
	Rod Spears
Biodiversity Research Center
University of Kansas
1345 Jayhawk Boulevard
Lawrence, KS 66045, USA
Tel: 785 864-4082, Fax: 785 864-5335

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mercury.nceas.ucsb.edu/ecoinformatics/pipermail/seek-dev/attachments/20040917/c802d498/attachment.htm
-------------- next part --------------
A non-text attachment was scrubbed...
Name: jayhawk.gif
Type: image/gif
Size: 4637 bytes
Desc: not available
Url : http://mercury.nceas.ucsb.edu/ecoinformatics/pipermail/seek-dev/attachments/20040917/c802d498/jayhawk.gif