Table 2 Comparison of PCF-VAE model on MOSES benchmark.

From: PCF-VAE: posterior collapse free variational autoencoder for de novo drug design

Model

Valid (\(\uparrow\))

Unique@1k (\(\uparrow\))

Unique@10k (\(\uparrow\))

IntDiv (\(\uparrow\))

IntDiv2 (\(\uparrow\))

Filters (\(\uparrow\))

Novelty (\(\uparrow\))

Train

1.0

1.0

1.0

0.8567

0.8508

1.0

1.0

HMM

0.076 ± 0.0322

0.623 ± 0.1224

0.5671 ± 0.1424

0.8466 ± 0.0403

0.8104 ± 0.0507

0.9024 ± 0.0489

0.9994 ± 0.001

NGram

0.2376 ± 0.0025

0.974 ± 0.0108

0.9217 ± 0.0019

0.8738 ± 0.0002

0.8644 ± 0.0002

0.9582 ± 0.001

0.9694 ± 0.001

Combinatorial

1.0 ± 0.0

0.9983 ± 0.0015

0.9909 ± 0.0009

0.8732 ± 0.0002

0.8666 ± 0.0002

0.9557 ± 0.0018

0.9878 ± 0.0008

CharRNN

0.9748 ± 0.0264

1.0 ± 0.0

0.9994 ± 0.0003

0.8562 ± 0.0005

0.8503 ± 0.0005

0.9943 ± 0.0034

0.8419 ± 0.0509

AAE

0.9368 ± 0.0341

1.0 ± 0.0

0.9973 ± 0.002

0.8557 ± 0.0031

0.8499 ± 0.003

0.996 ± 0.0006

0.7931 ± 0.0285

VAE

0.9767 ± 0.0012

1.0 ± 0.0

0.9984 ± 0.0005

0.8558 ± 0.0004

0.8498 ± 0.0004

0.997 ± 0.0002

0.6949 ± 0.0069

JTN-VAE

1.0 ± 0.0

1.0 ± 0.0

0.9996 ± 0.0003

0.8551 ± 0.0034

0.8493 ± 0.0035

0.976 ± 0.0016

0.9143 ± 0.0058

LatentGAN

0.8966 ± 0.0029

1.0 ± 0.0

0.9968 ± 0.0002

0.8565 ± 0.0007

0.8505 ± 0.0006

0.9735 ± 0.0006

0.9498 ± 0.0006

TGVAE 1H/M

0.948 ± 0.018

–

0.999 ± 0.000

0.864 ± 0.003

0.861 ± 0.003

–

0.964 ± 0.004

PCF-VAE, \(D_1\)

0.9801 ± 0.0013

1.0 ± 0.0

1.0 ± 0.0

0.8587 ± 0.0001

0.8527 ± 0.0001

0.990 ± 0.0387

0.9377 ± 0.0002

PCF-VAE, \(D_2\)

0.9710 ± 0.0011

1.0 ± 0.0

1.0 ± 0.0

0.8881 ± 0.0003

0.8621 ± 0.0003

0.981 ± 0.0271

0.9471 ± 0.0101

PCF-VAE, \(D_3\)

0.9501 ± 0.0101

1.0 ± 0.0

1.0 ± 0.0

0.8901 ± 0.1201

0.8633 ± 0.0004

0.971 ± 0.0281

0.9501 ± 0.0102