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README: add info about subcatalogs settings #127

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README: add info about subcatalogs settings #127

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20 changes: 19 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -260,7 +260,25 @@ When serializing, your Catalog will expose the harvested Catalog using the `dct:
- `dcat:dataset` (dataset in the harvested catalog)
- `dct:hasPart`
- `dcat:Catalog` (info of one of another harvester catalog)
...
...


#### Simulating RDF subcatalogs

In case you are harvesting from a non-DCAT CKAN catalog, and you want to expose its datasets along with the source catalog info, you may want to associate the catalog info automatically.

Since the catalog info are stored as extras, all you need to do is to add some `default_extras` to the harvested datasets. You need to add these entries to the CKAN harvester configuration:

e.g.:
```
"default_extras": {
"source_catalog_title": "OpenData Alto Adige",
"source_catalog_description": "Catalogo OpenData dell'Alto Adige",
"source_catalog_homepage": "http://your_server/home",
"source_catalog_language": "ITA",
"source_catalog_modified": "2017-01-01T00:00:00",
},
```


### Extending the RDF harvester
Expand Down