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%META:TOPICINFO{author="GregorHagedorn" date="1268734344" format="1.1" version="1.11"}%
---+!! %TOPIC%
In September 2005, version 1.0 of SDD was voted to be an official TDWG standard. A number of minor problems was found after the intitial adoption,
This version 1.1 of SDD was developed during a meeting of the group in [[SDD2006BerlinMinutes][April 2006]] to fix these problems. In addition we are addressing an issue that the TDWG TAPIR query standard developed and adopted by TDWG and GBIF is not designed to query into reflexive tree structures, which in SDD 1.0 are used in concept trees, identification keys, and taxonomic hierarchies. This release attempts to remove these problems by converting these datastructures into node/edge lists.
<b>We recommend basing all SDD implementations on this version 1.1</b>
As of 2009, a version implementing several minor error corrections ("revision 4") has been released and is available in the zip file quoted below as well as on the tdwg repository.
* [[%ATTACHURL%/][]] This is the final Version 1.1 release. See also DiscussionFor1dot1.
* [[%ATTACHURL%/ReleaseNotes.txt][ReleaseNotes.txt]]: ReleaseNotes.txt
* [[%ATTACHURL%/][]]: SDD1.1 Final Release
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%META:FILEATTACHMENT{name="" attr="h" autoattached="1" comment="" date="1156301150" path="" size="762726" user="Main.BobMorris" version="1"}%
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%META:FILEATTACHMENT{name="" attr="h" autoattached="1" comment="Beta 8" date="1146861063" path="" size="168152" user="GregorHagedorn" version="1.1"}%
%META:FILEATTACHMENT{name="" attachment="" attr="" comment="SDD1.1 Final Release, updated to correct minor error in Lead-Media (rev. 5)" date="1268734343" path="" size="1255905" stream="" user="Main.GregorHagedorn" version="3"}%