Tagged “reliability”
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Arithmetic the sources didn't do
A total the model computed appears in no document. Derived figures are new claims, they can't be cited, and they are wrong more often than they look.
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Decoding settings for grounded answers
Temperature and its neighbours do something different in RAG than in creative writing. Sensible values, and what they can't fix.
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When sources disagree
Two retrieved documents give different answers. What a good system does about it, and why silence is the worst option.
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Teaching a model to say I don't know
Abstention is a feature you build, not a default you get. Where the decision belongs and how to keep it from swallowing good questions.