- Version: Snow Owl v3.3
- Start date: 24 March 2014
- End date: 9 May 2014
- Code name: Felni, a pub selling unique beers from Hungarian microbreweries in the 6th district of Budapest.
Version compare
Introduction
In 3.1 release version creation was added to Snow Owl. A version is created when the state of a particular terminology needs to be captured, from a business sense it means that the terminology is ready to be published to customers. In Snow Owl 3.3, we’ve added the ability to compare two different versions of the same terminology with each other to more easily visualize their differences.
Comparing versions is available for each terminology for which version can be created, namely the following:
- SNOMED CT
- LOINC
- ICD-10
- ICD-10 AM
- ATC
- All Local Code Systems
- All Value Domains
- All Mapping Sets
Compare versions of terminologies
Compare versions
The compare versions feature is available at Tools > Compare Versions…
Select the terminology of the version for comparison.
Set the Source version and the Destination version, then finish the wizard.
Now you will see a screen showing the differences between the selected versions. An editor will indicate the differences between the selected versions. The compare editor is organized into three sections, which are described below. The size of the sections and the columns can be adjusted by dragging their edges.
Change summary section
The change summary section displays an overview of the number of new, modified, and deleted components between versions. In the figure below, you can see that between the 2013-07-31 and 2014-01-31 versions of SNOMED CT 2,225 components have been added, 16,284 components have been modified and no components have been deleted.
Changed components section
The changed components section displays a hierarchical tree of changed concepts, which can be expanded and contracted to view child concepts. Concepts have an icon indicating the nature of the change: added (+), modified (triangle/delta) and removed (-). Selecting a concept displays additional detailed information about the change in the right-hand section.
You can click the collapse all nodes button to collapse the tree to its original view. A toggle button allows selecting between a flat and hierarchy view of the changed concepts. If you’re interested in a particular concept’s changes, you can set the view to a list and then click the header to sort the changed concepts by their name.
Change details section
The change details section provides the detailed changes for a single concept.
New video tutorials
Mapping sets
Several tutorial videos about working with mapping sets are now available. All videos are transcribed and can be watched with captions.
The following topics are covered:
- Introduction to Mapping sets gives a general introduction into map type reference sets and mapping sets and shows how mapping sets are organized and searched in Snow Owl.
- Maintaining mapping sets focuses on creating mapping sets and modifying content.
- Importing and exporting mapping sets demonstrates importing and exporting mapping sets into Snow Owl from Excel files.
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