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https://issues.apache.org/jira/browse/ATLAS-1768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16030889#comment-16030889
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Stefhan van Helvoirt commented on ATLAS-1768:
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[~davidrad], [~mandy_chessell], I don't think the the category should be tied
directly to its supercategory as by such that if the supercategory is to be
removed that it automatically removes the subcategory. Although it would be
nice to have the option to choose what to do with the subcategories. (1)
maintain or (2) remove.
With regards to your comments [~davidrad] it might indeed by strange to see a
former subcategory move to the top of the hierarchy, however if this is
incorrect than this should only be temporary and should be corrected by the
glossary users. It is undersirable to always remove the subcategories, the same
accounts with terms that are hierarchically linked, if a superterm is deleted,
the subterms should not be removed from the glossary by default.
> Create common types for Open Metadata
> -------------------------------------
>
> Key: ATLAS-1768
> URL: https://issues.apache.org/jira/browse/ATLAS-1768
> Project: Atlas
> Issue Type: New Feature
> Components: atlas-core
> Affects Versions: 0.9-incubating
> Reporter: Mandy Chessell
> Assignee: Mandy Chessell
> Labels: OpenMetadata
>
> This JIRA describes a proposal for standard types for open metadata entities
> and relationships. For example, glossaries, database definitions, rules,
> policies, ...
> The value of having standard definitions for metadata is to enable type safe
> APIs and business level UIs plus be able to exchange metadata between
> different instances of metadata repositories.
> The implementation of these common types is divided into 8 areas:
> * Area 0 - for extensions to Apache Atlas's base model
> * Area 1 - for definitions of the data-related assets we are governing and
> using
> * Area 2 - for a glossary of meanings and semantic relationships
> * Area 3 - for information about asset use, crowd-sourced definitions and
> collaboration around the data-related assets
> * Area 4 - for governance such as policies, rules and classifications
> * Area 5 - for reference models and reference data
> * Area 6 - for metadata discovery processes (see
> https://issues.apache.org/jira/browse/ATLAS-1748)
> * Area 7 - for lineage
> Adaptation and flexibility are key in metadata environments so these common
> definitions must be extensible - and we still need to support the ad hoc
> definition of new types in Atlas.
> Apache Atlas supports meta-types that are used in the definition of new
> types. These are currently enumeration, struct, classification and entity.
> JIRA https://issues.apache.org/jira/browse/ATLAS-1690 adds relationships to
> this list. The open metadata models make use of all of these meta-types.
> These are represented by sterotypes on the classes of the open metadata
> definitions.
> The Atlas wiki has the models as a set of linked pages which are probably the
> easiest way to view the models.
> Start here:
> https://cwiki.apache.org/confluence/display/ATLAS/Building+out+the+Apache+Atlas+Typesystem
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