Table 11.

Frequency distribution of scores with respect to each metric by all evaluators.

Metric	Score	Frequency
M1a	2	4
M1	3	10
M1	4	12
M1	5	4
M2b	2	3
M2	3	10
M2	4	10
M2	5	7
M3c	3	12
M3	4	16
M3	5	2

^aM1: summary relevance to the inbound query.

^bM2: aim, population, intervention, results, and outcome classification representation in the summary.

^cM3: model summary better than the baseline summary.