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Difference between
version 9
and
version 1:
| Line 2 was replaced by lines 2-6 |
| - *Data Sets for multiple taxonomy visualisation |
| + *Explored possibility of auto-generating forms from xml through XForms technology |
| + **Concluded that concrete [XForms|http://www.w3.org/TR/xforms/] implementations not quite up to the job yet (June 2005) |
| + **XForms works by taking a schema plus a corresponding xml 'instance' file to generate a forms document. The implementations so far (formsplayer, chiba, novell xforms) have difficulties with 'switch' and 'optional' elements in a schema - tcs contains both. Revisions to [XForms 1.1|http://www.w3.org/TR/xforms11/] will solve some of these issues (ability to insert optional elements into xml instance) if this technology is pursued in the future. |
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| + *Produced TCS Data Sets for multiple taxonomy visualisation |
| At line 5 added 23 lines. |
| + **ITIS TCS XML file huge for seven entire hierarchies - 650MB |
| + ***Unwieldy for large data sets? |
| + ***Takes 2.5 minutes to read in and parse (slightly faster with StAX v SAX parser) and uses 350MB+ memory |
| + ***Two pass parsing uses less memory but 4 minutes to parse |
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| + *Additions/Refinements to visualisation |
| + **Ability to find uniquely named taxa out of a set of classifications |
| + **Speeded up large tree comparisons - 2.5s to find classification structural changes |
| + **Simple hash functions to reference names across classifications reduce memory footprint for sparser datasets without detriment to speed |
| + **Added panel for visually comparing one particular name of interest across classifications |
| + **add more later |
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| + *Attended TDWG 2005 meeting in St Petersburg |
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Back to NU Taxon Update_Sept 2005,
or to the Page History.
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