[KongchangAI]
ConceptExact Match / EM

Exact Match

A strict evaluation metric commonly used in question answering and information extraction tasks, in which a model output counts as correct only when it is fully identical to the reference answer after normalization.

Timeline (last 90 days)

Oct 30

After removing the memory profile, exact match drops by 24.7 points, and the recalibrated BERTScore falls from 0.57 to 0.35.

Unverified50%
Oct 30

Exact match is a strict lower bound that underestimates the actual usable prompt quality; graded metrics and LlamaPIE's built-in judge correlate more highly with human ratings than exact match.

Unverified50%
Oct 30

Adding a retrieval module or switching to a larger generator brought no gain in exact match.

Unverified50%
Oct 23

The system's knowledge base retrieval adopts a hybrid scheme of vector retrieval plus exact matching, first computing semantic similarity and then performing secondary ranking by urgency and knowledge freshness.

Unverified50%
Oct 19

Of the 31 test paraphrases, AILegal's exact-match stage resolved 12; the soft-match stage then added suggestions for another 14, of which 8 were correct, for a precision of about 57%.

Unverified50%
Oct 17

There are two approaches to trajectory matching: exact matching suits scenarios with fixed flows, while subsequence matching is looser and only requires key steps to appear in order.

Unverified50%
Oct 11

Exact matching is fast but prone to missing cases where the same person uses different contact information, while fuzzy matching has broader coverage but higher computational cost.

Unverified50%

All Facts (7)

Source Articles