Hi all,

my search for any postings answering the following question haven't produced any helpful hints so far. Maybe someone can point me into the right direction?

Situation:
I have two cores with slightly different schemas. Slightly means that some fields appear on both cores but there are some that are required in one core but optional in the other. Then there are fields that appear only in one core. (I don't want to put them in one index, right now, because of the fields that might be required for only one type but not the other. But it's certainly an option.)

Question:
Is there a way to get similar contents from core B when the input (seed) to the comparison is a document from core A?

MoreLikeThis:
I was searching for MoreLikeThis, multiple schemas etc. As these are cores with different schemas, the posts on distributed search/sharding in combination with MoreLikeThis are not helpful. But maybe there is some other functionality that I am not aware of? Some similarity search? Or maybe it's possible to tweak MoreLikeThis just to return the fields and terms that could be used for a search on the other core?

Thanks for any input!
Chantal

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