Relevance is not answerability: six signals, and none of them beat plain cosine
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Part 2 of **The Answerability Problem . Part 1 showed the standard harness excluding the questions that test refusal, my own system scoring 0.000, and every lever I ship failing. It asked whether any cheap signal can separate "relevant" from "answerable." This is the bake-off. Code: RE-call . LongMemEval is the other public benchmark in this space, and unlike LOCOMO it names abstention as a first-class question type. 500 questions over a synthetic user's chat history: 470 answerable, 30 whose…
1Key Takeaways
- Part 2 of **The Answerability Problem .
- Part 1 showed the standard harness excluding the questions that test refusal, my own system scoring 0.000, and every lever I ship failing.
- It asked whether any cheap signal can separate "relevant" from "answerable." This is the bake-off.
- LongMemEval is the other public benchmark in this space, and unlike LOCOMO it names abstention as a first-class question type.
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3Why it matters
Coding AI shifts how fast software ships and how much human review each change needs. DEV — ML reports that part 2 of **The Answerability Problem .
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