. Author manuscript; available in PMC: 2019 Jul 1.

Published in final edited form as: J Biomed Inform. 2018 May 22;83:63–72. doi: 10.1016/j.jbi.2018.05.014

Table 9.

The Average P@20 scores of searching “diabetes” and “seizure” with similar words defined by different similarity cutoff

Similarity Cutoff	Average P@20 when searching “diabetes”	Average P@20 when searching “seizure”
1.0	0.64	0.80
0.8	0.64	0.89
0.4	0.61	0.90
0.2	0.54	0.61
Elbow method	0.68	0.94