Wiki and Tags
Wikis and Tags are provided for describing, identifying, and displaying data.
- The Wiki allows you to add a description for a Space (and its datasets) or a Source (and its datasets). The Wiki’s formatting language is a Github-flavored markdown and supported by a rich text editor.
- Tags allow you to create and assign tags to all datasets. You can search for items based on a tag and click on a tag to start a search based on that specific tag.
See the Describing Data section of Data Curation for more information.
Permissions
Function | Admin | User with Edit ACL | User with Read ACL |
---|---|---|---|
Wiki | edit | edit | read |
Tags | create/delete | create/delete | read |
Catalog APIs
The Catalog API allows you to create and retrieve Tag and Wiki catalog entities. See the following topics for more details.
CatalogTag
One entry per catalog entity that stores all the tags. Storing each tag separately does not have any benefit.
Note:
Index on entityId.
{
id: String,
entityId: String - Id of the item that the tag is for.
tags: String[],
version: Number
}
CatalogWiki
Each update to a wiki creates a new entry and does not overwrite.
Note:
Indexed on entityId, version.
{
id: String,
entityId: String,
text: String,
version: Number,
createdAt: Number,
userId: String
}
Limitations
- Tags cannot repeat per entity, are case insensitive. Tags limited to 128 characters.
- Wiki has a limit of 100,000 characters.
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