Full concept history
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Snow Owl now supports importing the full release of SNOMED CT, including historical data on each of the components.
We now import and display historical concept information from the SNOMED CT RF2 Association Type reference set. This includes details about why a concept was inactivated and often suggestions for alternate concepts that replace an inactive concept. We hyperlink references to suggested concepts so that they can be simply clicked on to navigate to the related concept.
Dual-independent authoring is now supported. First, a parent task is created that will be used to accept one of two independently authored child tasks. Each child task can be assigned to a different user for completion. When each of the child tasks have been completed, the reviewer can compare the two child tasks by right-clicking the parent task and selecting Compare Subtasks.
This opens a task comparison window that displays both tasks next to each other. The top part of each task displays a tree view of all concepts changed or created as part of the task. A small icon overlaying the concept's icon indicates an addition (+), deletion (-), or change (delta). The selecting an item in the top part of the window displays details of the changes in the bottom section.
If either of the tasks is satisfactory, the reviewer can click the Promote Task icon on the desired task. This will promote the task to the Main repository and close the parent task.
If the tasks are unsatisfactory, the reviewer can add a description and reopen the task for additional editing work.
The quick search (press CTRL-4) now produces more relevant results by considering frequencies of usage and other heuristics to determine the best matching concept. This feature currently supports SNOMED CT concepts only.
The image below shows that exact matches often take precedence over frequently used concepts, as Hydroxyproline has a synonym that exactly matches the search string. The most frequently used matches appear below.
Previously selected choices and bookmarks will also appear with the search results.
We've added a filter to the concept model editor to make it a bit easier to find and edit existing concept model constraints.
Datatypes are now displayed in the same section as attributes in the dynamic reference set editor.
The group of ungrouped attributes is now named such in the reference set editor. Grouped attributes are displayed starting from group number 1.
A new button appears next to relationships that opens a quick search view to select a value for the relationship. The dialog will initially present the list of sanctioned values for this relationship, based on the concept model.
Entering characters in the dialog will search all concept descriptions for matching sanctioned concepts.
Rather than a flat list of all reference sets for a particular type, reference sets are now grouped by their parent. This is useful to create a reference set to group several child reference sets for easier navigation.
Reference sets can now be deleted directly from the reference set view by right-clicking a reference set and choosing the delete option.
After choosing a reference set to be deleted, a confirmation window displays the SNOMED CT components that will be affected by the deletion.
Snow Owl now transforms automap files into SNOMED CT Complex maps, which allows specifying the type of each individual mapping (generalization, specialization, equivalence, etc.) using the IHTSDO standard method. It also allows adding a correlation identifier concept to the maps. Besides correlation, terminology specific map rules and advices can also be specified for the mappings.
A new preferences page has been added to allow changing the default key mappings. For example, to change the default key sequence used to invoke content assist (CTRL space), type content in the search filter, select the Content Assist command and change the binding key to (e.g.) CTRL / . (control and slash)
Note: There are several commands displayed that are used in advanced Snow Owl features like user scripting languages. You can safely ignore the commands you are unfamiliar with.
Snow Owl clients can now automatically update their data structures if required by a new server release.
A new view displays commit information including the date and time of the change, the user, and their commit comment.
The commit notification window that briefly displays upon repository changes now includes an avatar of the user making the change. For the avatar to appear, it must be registered at http://gravatar.org with your email address.
The online help has been updated to reflect new features added in the past several releases.
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