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The only way A.I., might work in family history, would mean people reading and typing billions of words, from every single piece or page of a surviving Document, or Will, or Deed, Manor Court Roll, Rental etc., etc., or Volume, or Historical Book etc., held in an Archive, or Library, or Repository, or University Special Collection and their Libraries, or National Archives and archives still held by the UK government (much of it in old style handwriting or Latin etc.,) and then be accurately fed into a massive super computer program.
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Why? I'm doing my family history and haven't accessed all those documents, let alone read them all. I don't follow why AI couldn't be useful in family history without needing all that information.
TBH I'm no fan of AI, I think it is being hyped up beyond reason, but that doesn't mean the idea doesn't have some merit.
The fundamental issue here is that what we currently call 'AI' is a machine with limited intelligence. The maxim of 'rubbish in rubish out' was never truer. Without understanding the limitations of the machine we are using we take on a huge risk of accepting garbage.
There's a difference between asking an AI system to "Do my family history for me" and giving it a specific task within a specific dataset.
This is why the medical use is interesting - computer systems are good at pattern matching because it involves processing a huge amount of information. Medicine is a form of pattern matching (aka "What are your symptoms?"). If used sensibly AI could identify things the medical practitioner had never heard of and put them forward as possibilities - so long as there is a qualified doctor doing a sanity check on the results I don't see that as harmful.
Family history also involves some pattern matching - for example with a family which didn't move round much births of a certain surname in a given registration district within a given timeframe have the possibility of being children of the same family. Trawling through the indexes at the FRC was fun up to a point, but it could get tedious. FreeBMD makes it much quicker to find the possibilities, but still needs a fair amount of human brainpower to check each individual (especially where MMN isn't given).
So imagine a system which uses FreeBMD-type data to give a list of
possible siblings for a specified person, with some level of probability calculated for each one, perhaps incorporating the cardinal points system to work out if they were in the same (or adjoining) parish(es).
I think something like that could be a valuable application of AI in family history, and wouldn't be impossible to do. However, it would still require the human to understand the results aren't complete and aren't perfect, and that's the crux of where we are with AI at the moment.