Table 2. Metric 2: comparison of the classical graph approach, kernel-guided graph approach, and the proposed approach.

	Expert 1 vs				Expert 2 vs
	Expert 2	AN	AD	Proposed	AN	AD	Proposed
Layer 1	2.013	4.034	1.742	1.764	4.483	2.076	2.055
Layer 2	2.336	4.045	2.321	2.25	4.286	2.604	2.533
Layer 3	2.17	1.994	2.277	2.195	2.413	2.575	2.264
Layer 4	2.291	2.633	2.384	2.315	2.708	2.539	2.25
Layer 5	2.241	5.507	2.649	2.314	5.559	2.683	2.303
Layer 6	1.537	1.328	1.49	1.268	1.476	1.603	1.327
Layer 7	1.542	1.323	1.496	1.231	1.726	1.812	1.429