Tutorial 5: Making lookups

Lookups can be used to fetch some additional data based on values in original data.

Task

  • map one field to an different value.
Background information

There is a tiny csv file that maps "article" to "This was 'article'. You can find it here.

The actual lookup is done with collection lookup node: Process data > Lookup data > Field: Look up value from collection

Solution

You need to add a new collection to your project and import lookup data there. Then, in the original collection, add a the collection lookup node.

Task

  • make a automatic subject indexing by using ANNIF-service.
Background information

Annif is a service for automatic subject indexing for text written in english, finnish and swedish.