Hi!
I'm trying to build a systems for my family tree where I can ask
questions like 'What people with surname "Vermeer" are not related to
ID' where ID is and ID to some individual.
I have set up some rules to generate triplets like (Ancestor ?id1 ?id2)
and (Related ?id1 ?id2) and made a query that wil answer the above question:
(defquery find-person-with-name-not-related-to-id
""
(declare (variables ?surn ?id))
(Individual (id ?someone) (surn $? ?surn $?) (givn $? ?givn $?))
(Individual (id ?id))
(not (Related ?someone ?id)))
This works fine for a small example but when I read in my GEDCOM file of
2700 people a huge amount of (Related ?id1 ?id2) facts are generated and
java gives an out of memory error.
Is there a way around this? This system is poorly scalable because of
the Related facts. Can I do more difficult pattern matching in a query
and skip the generation of Related facts?
kind regards,
Gerwin
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