Table 5:

Quality of patient cohorts (All queries)

Negation Method	MAP	MRR	P@10
MTADL	52.00%	59.38%	42.70%
Lingscope baseline	55.40%	62.61%	45.70%
Neural Bi-LSTM	56.89%	64.36%	46.40%
improvement over MTADL	9.40%	8.38%	8.66%
improvement over Lingscope	2.69%	2.80%	1.53%