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SNOMED International provides an example of a Transitive Closure Perl script file (click to download) that can be used to generating a snapshot view of the transitive closure from the snapshot release of the . The output of this script conforms to the following following file structure. Note that the primary key for this table consists of both columns.
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| CapId | transitive-closure-file-detailed-specification |
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| CapType | Table |
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Transitive Closure File - Detailed Specification |
| Bookmarked content insert |
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| Start | filespec |
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| Page | REUSE:Transitive Closure Snapshot File |
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A versioned view of the
| Gloss |
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| PreSpace | false |
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| t | Transitive Closure |
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can also be generated by combining the snapshot views for different effective times and removing redundant rows (e.g. where the transitive closure has not changed between release versions). The generated file could then be represented using the example specification below. Note that the unique key for this file would consist of the
subtypeId,
supertypeId and
effectiveTime.
| Caption label |
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| CapId | versioned-transitive-closure-file-example-specification |
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| CapType | Table |
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Versioned Transitive Closure File - Example Specification |
| Bookmarked content insert |
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| Start | filespec |
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| Page | REUSE:Transitive Closure File |
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