Hybrid Recommender System for Mental Illness Detection in Social Media Using Deep Learning Techniques

Table 3

Recall for RFD – PSO feature selection - with systolic tree frequent pattern mining + CF.

Top-N recommended items	RFD feature selection-without frequent pattern mining	RFD feature selection-without frequent pattern mining + CF	RFD feature selection-with systolic tree frequent pattern mining	RFD feature selection-with systolic tree frequent pattern mining + CF	RFD - PSO feature selection-without frequent pattern mining	RFD - PSO feature selection-without frequent pattern mining + CF	RFD - PSO feature selection-with systolic tree frequent pattern mining	RFD - PSO feature selection-with systolic tree frequent pattern mining + CF
N = 2	0.23	0.26	0.31	0.41	0.24	0.27	0.33	0.43
N = 4	0.26	0.32	0.37	0.47	0.27	0.34	0.39	0.5
N = 6	0.31	0.36	0.42	0.55	0.32	0.38	0.44	0.58
N = 8	0.36	0.41	0.48	0.63	0.38	0.43	0.5	0.66
N = 10	0.42	0.47	0.57	0.74	0.44	0.49	0.59	0.78
N = 12	0.49	0.56	0.65	0.85	0.52	0.59	0.69	0.9
N = 14	0.57	0.64	0.76	1	0.6	0.68	0.8	1
N = 16	0.65	0.75	0.88	1	0.69	0.79	0.93	1
N = 18	0.76	0.86	1	1	0.8	0.9	1	1