A New Biomedical Passage Retrieval Framework for Laboratory Medicine: Leveraging Domain-specific Ontology, Multilevel PRF, and Negation Differential Weighting

Table 6

Evaluation results of the methods.

Method	MRR		R-precision		P@5
Baseline	0.6811	—	0.3128	—	0.4777	—
UMLSE	0.7286	+6.9%	0.3351	+7.13%	0.4933	+3.2%
LPRF	0.7694	+5.6%	0.4479	+33.6%	0.5867	+18.9%
GPRF	0.8889	+15.5%	0.4549	+1.5%	0.7600	+29.5%
GPRF-NEG	0.9278	+4.3%	0.6273	+37.9%	0.8667	+14.0%

A significant improvement () over the baseline. A significant improvement over baseline and methods marked with .