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Filter concepts
You can filter concepts with the
filter
parameter:It's best to read about filters before trying these out. It will show you how to combine filters and build an AND, OR, or negation query
You can filter using these attributes of the
Concept
object (click each one to view their documentation on the Concept
object page):These filters aren't attributes of the
Concept
object, but they're included to address some common use cases:Value: a search string
Value: a search string
- Get concepts with
display_name
containing "electrodynamics":https://api.openalex.org/concepts?filter=display_name.search:electrodynamics
In most cases, you should use the
search
parameter instead of this filter because it uses a better search algorithm.Value: a Boolean (
true
or false
)Returns: concepts that have or lack a Wikidata ID, depending on the given value. For now, all concepts in OpenAlex do have Wikidata IDs.
Last modified 3mo ago