Table 9 Financial domain performance comparison.

From: Construction of intelligent decision support systems through integration of retrieval-augmented generation and knowledge graphs

Metric

Scenario

IKEDS

KG-only

RAG-only

Parallel-KG-RAG

Decision accuracy (%)

Portfolio optimization

89.7 ± 2.8

78.3 ± 3.4

70.2 ± 4.1

80.5 ± 3.2

M&A analysis

86.5 ± 3.1

72.1 ± 3.8

68.7 ± 4.3

77.8 ± 3.5

ESG screening

85.8 ± 3.0

73.2 ± 3.6

70.6 ± 4.0

79.3 ± 3.3

Knowledge relevance

Portfolio optimization

0.94 ± 0.03

0.89 ± 0.04

0.77 ± 0.06

0.85 ± 0.05

M&A analysis

0.91 ± 0.04

0.86 ± 0.05

0.74 ± 0.07

0.82 ± 0.06

ESG screening

0.92 ± 0.04

0.87 ± 0.05

0.78 ± 0.06

0.84 ± 0.05

Explanation quality

Portfolio optimization

0.87 ± 0.05

0.73 ± 0.07

0.69 ± 0.08

0.76 ± 0.06

M&A analysis

0.85 ± 0.05

0.70 ± 0.08

0.65 ± 0.09

0.73 ± 0.07

ESG screening

0.83 ± 0.06

0.72 ± 0.08

0.68 ± 0.09

0.74 ± 0.07

Cross-domain integration

Portfolio optimization

0.82 ± 0.06

0.48 ± 0.09

0.53 ± 0.08

0.64 ± 0.07

M&A analysis

0.78 ± 0.07

0.42 ± 0.10

0.49 ± 0.09

0.59 ± 0.08

ESG screening

0.81 ± 0.06

0.46 ± 0.09

0.52 ± 0.08

0.63 ± 0.07