The Open Geospatial Consortium (OGC) seeks public comment on the GeoPackage Related Tables Extension.
The GeoPackage Related Tables Extension (RTE) defines the rules and requirements for creating relationships in a GeoPackage data store between geospatial or attributes data tables and other tables that contain or reference related content, such as attributes or media. One use case for this extension is to associate features with related multimedia content such as photographs, audio or video files, and/or PDFs.
There are many examples of where the RTE can be used, including relating parcel (land lot) features to pictures of that parcel, or linking census boundaries to the related demographic census data. ...continued ...