No, Algolia doesn't filter by these values, but there are workarounds.
You can leverage the tags attribute and use tags filtering. Please note that this will require a change to your dataset.
No record count: Tag filtering is used for filtering only. You will not get a count of records that match the filters. In this way, it is the same as using filterOnly() in the attributesForFaceting.
You can update your data to include an additional boolean attribute (e.g.
hasAuthor ) and then then filter on this attribute with filters =
hasAuthor:true or filters =