Table 3 Ablation study.

From: Modeling electronic health record data using an end-to-end knowledge-graph-informed topic model

Model

Recon.

Topic quality [ICD,ATC]

NLL.

Topic coherence

Topic diversity

Topic quality

TQ (ave.)

GAT-ETM

172.69

0.18, 0.314

0.76, 0.787

0.1368, 0.2471

0.1920

GAT-ETM  (w/o init.)

179.59

0.139, 0.193

0.573, 0.447

0.0796, 0.0863

0.0830

GAT-ETM  (w/o aug.)

181.63

0.162, 0.282

0.733, 0.75

0.1187, 0.2115

0.1651

GETM (w/ aug.)

180.44

0.161, 0.282

0.783, 0.807

0.1261, 0.2276

0.1768

  1. The best score for each metric are in [bold].